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Cine 21 is a Korean film magazine published by Hangyeore newspaper. The magazine was first published in Seoul on April 24, 1995, and it was published in the form of weekly magazine. Its first editor-in-chief is Seon-hee Cho, a reporter from Culture Station. The articles published in the first issue include "Who controls the Korean film industry" and "Voting the Top 50 Korean films". Cine21 is currently one of the most famous movie magazines in Korea.

Korean film magazine "CINE 21" has selected the best film works of that year every year since 1998. The list before 2010 was all five works, followed by ten works, among which there were also works tied for fifth or tenth. It can be seen that Hong Shangxiu, Jin Jide, Li Cangdong, Bong Joon ho, Hong-jin Na and other established Korean directors will almost enter the best list of the year as long as they have new works. In 2019, Lv Zhang’s directors whose works have been shown in China for many times also have many works on the list.

As for actors, Song Kanghao, Cui Minzhi, Huang Zhengmin, Ha Jung Woo and Jin Minxi, including the actor Yoo Ah In, who was popular in Li Cangdong’s Burning, are among them. South Korea’s unique art/commercial film market has a wider choice of actors, including veteran actors with unique experience and new actors who are amazed when they appear.

Unfortunately, from previous lists, Korean female directors such as Claudia Kim, Hyung-sook Hong, Lee Kyoung-mi and Quan Gaoyun are still in the minority.

Cover of "CINE 21" magazine 1165 and 1063

Recently, "CINE 21" selected the top ten in Han Ying in 2019. Bong Joon ho’s Palme d ‘Or "Parasite" won the championship without controversy, and the documentary "Jin Jun" directed by Jiang Shangyu focusing on Korean historical events won the fourth place. This year, the number of films made by female directors has increased compared with previous years.

Director of the Year: Bong Joon ho/Parasite

Actor of the Year: Song Kanghao/Parasite

Actress of the year: Li Jingen/Parasite

Newcomer of the Year Director: Jin Baola/Hummingbird

Newcomer Actor of the Year: Jung Hae In/Liu Lie

Newcomer Actress of the Year Award: Park Ji-hou

Photo of the Year: yung-Pyo Hong/Parasite

Script of the Year: Bong Joon ho Han Jinyuan/Parasite

Cover photo taken by Cine21 magazine for Parasites.

Looking back on 2018, Li Cangdong’s Burning topped the list, with two works by Hong Shangxiu, Leaves of Grass and Claire’s Camera, and Lv Zhang’s Singing Goose ranked ninth.

Korean film weekly Cine21

Select the Top Ten Korean Movies in 2019

1. "Parasite" Bong Joon ho

2. Hummingbird Jin Baola

3. Riverside Hotel Hong Shangxiu

4. "Jin Jun" Jiang Shangyu (documentary)

5. "Minor" Jin Yunshi

6. "Our Body" Han Jialan

7. Catfish Maggie Li Yuxi

8. "To Yunxi" Lin Dajiong

9. "Extreme Escape" Li Xiangyu

10. "Those Faces" Li Kangxian

"CINE 21" List of Best Movies in Korea over the Years

1998

1. Beautiful season-Kwangmo Lee

2. The Power of Gangwon Road-Hong Shangxiu

3. August Photo Studio-Hur Jin-ho

4. Female High School tales of mystery 1: Death Classroom-Ki-hyeong Park

5. Don’t make a fuss about the bizarre loss of soul-Jin Zhiyun

1999：

1. Nowhere to hide-Myung-se Lee

2. Happy to death-Ji-woo Chung

3. tales of mystery 2: Exchange Diaries-Jin Taiyong/Kyu-Dong Min

4. Spy Li Zhe Town-Jang Jin

5. Sunrise City-Jin Chengzhu

2000：

1. Mint-Li Cangdong

2. The Virgin Heart Sutra-Hong Shangxiu

3. Don’t die a natural death-Seung-wan Ryoo

4. Mao Pangwang-Jin Zhiyun

5. Joint Security Area-Park Chan-wook

5. Chun Xiang Chuan-Lin Quanze

2001：

1. Creepy-Jong-chan Yun

2. Cat Girl-Jae eun Jeong

3. Spring passed away-Hur Jin-ho

4. Prynne Song Haixing

5. Waikiki Brothers-Soon-rye Yim

5. Unknown recipient-Jin Jide

2002：

1. The Discovery of Life-Hong Shangxiu

2. Oasis-Li Cangdong

3. I want revenge-Park Chan-wook

4. Love the silver-haired generation-Jin-pyo Park

5. Drunk Painting Fairy-Lin Quanze

2003：

1. Save the Earth-Jun-hwan Jeong

2. memories of murder-Bong Joon ho

3. Jealousy is my strength-Chan-ok Park

4. Cheating Family-Sang-soo Im

5. old boys-Park Chan-wook

2004：

1. Return-Jin Dongyuan

2. Vacant room-Jin Jide

3. How cute.-Claudia Kim

Our Generation-Dong-seok Noh

5. A man’s future is a woman-Hong Shangxiu

2005：

1. In front of the theater-Hong Shangxiu

2. Those people at that time-Sang-soo Im

3. Wisdom teeth-Ji-woo Chung

4. Unforgettable-Jong-bin Yun

5. blood tears-Dae-seung Kim

2006：

1. Women by the Sea-Hong Shangxiu

2. The birth of the family-Jin Taiyong

3. Hanjiang Monster-Bong Joon ho

4. Mangzhong-Lv Zhang

5. Time-Jin Jide

2007：

1. Miyang-Li Cangdong

2. Millennium Crane-Lin Quanze

3. Desert Dream-Lv Zhang

4. Our school-Myoung joon Kim

5. Breathe-Jin Jide

2008：

1. Night and Day-Hong Shangxiu

2. Wonderful day-Yoon-ki Lee

3. Chaser-Hong-jin Na

4. My friend’s wife-Shen Dongyi

5. Chongqing-Lv Zhang

2009：

1. Mother-Bong Joon ho

2. What if you know-Hong Shangxiu

3. Paju-Chan-ok Park

4. Bat-Park Chan-wook

5. Green-headed fly-Yang Ik Joon

2010：

1. Poetry-Li Cangdong

2. Yuxi’s film-Hong Shangxiu

3. Xia Xia Xia-Hong Shangxiu

4. Realm City 2-Hyung-sook Hong

5. Improper trading-Seung-wan Ryoo

6. The coffin of the witch-Park Jin-sung

7. The whole story of Jin Fu Nan’s murder-Cheol-soo Jang

8. Uninvited Guest-Lee Eung Il

9. (Lost & Found)-Kye-soo Jeon

10. My rogue lover-Jin Guangzhi

2011：

1. North Village Direction-Hong Shangxiu

2. Doumanjiang-Lv Zhang

3. Maoshan Diary-Park Tingfan

4. Watcher-Sung-Hyun Yoon

5. Yellow Sea-Hong-jin Na

2012：

1. In a foreign country-Hong Shangxiu

2. The War on Crime: the heyday of bad guys-Jong-bin Yun

3. Nanying Cave 1985- Ji yeong Jeong

4 Mourning.-Jin Jide

5. two doors -Hong Ji-You/Kim Il-Rhan

6. Enjiao-Ji-woo Chung

7. Romance Cao-Kwang-kuk Lee

8. Introduction to Architecture-Young-su Lee

9. The so-called architect-Jae eun Jeong

10. Juvenile delinquent-Yi-kwan Kang

2013：

1. Haiyuan-Hong Shangxiu who is nobody’s daughter.

2. Zither-Mie Wu

3. We are good at Xi-Hong Shangxiu.

4. Snow Country Train-Bong Joon ho

5. Scenery-Lv Zhang

6. Berlin-Seung-wan Ryoo

7. New World-Hoon jung Park

8. Russian novels-Yeon-shick Shin

9. Not thinking-Xingchun Lin

10. Live horror-Byeong-woo Kim

10. specious-Sang ho Yeon

2014：

1. Freedom Hill-Hong Shangxiu

2. Gyeongju-Lv Zhang

3. Princess Han-Su-jin Lee

4. Come to an end-Sung hoon Kim

5. Dao Xiya-JuLi Zhen

6. Iron Dream-Kelvin Kyung Kun Park

7. Bandits: The Age of Civil Rebellion-Jong-bin Yun

8.10 minutes-Yong-seung Lee

9. Non-fiction diary-Yoon-suk Jung

10. Sea fog-Sung Bo Shim

10. Defender-Yushuo Yang

2015：

1. Right now and wrong then-Hong Shangxiu

2. Midsummer Fantasy-Kun-jae Jang

3. Veteran-Seung-wan Ryoo

4. Useless Han-Seung-ook Oh

5. Factory Syndrome-Xingchun Lin

6. Mourning-Jun-ik Lee

7. Top secret search-Kyung-Taek Kwak

8. Living-Park Ting-fan

9. Flower burial-Lin Quanze

10. Alice An Guozhen from an honest country

10. Social phobia-Seok-jae Hong

2016：

1. Miss-Park Chan-wook

2. Crying-Hong-jin Na

3. No secrets-Lee Kyoung-mi

4. Asura Jin Chengzhu

5. Our World-Ga-eun Yoon

6. Yourself and All You Have-Hong Shangxiu

7 Dongzhu-Jun-ik Lee

8.4 Wait-Ji-woo Chung

9. Secret Agent-Jin Zhiyun

10. My grandson is the best-Claudia Kim.

2017：

1. Alone by the sea at night-Hong Shangxiu

2 Nanhan Mountain City-Huang Donghe

3. No Sweat Party-Sung-hyun Byun

4. Jane-Zhao Xianxun in my dream

5. I can say-Hyeon-seok Kim

6. punk pirate hell Seoul! -Yoon-suk Jung

7. After-Hong Shangxiu

8. King-Jae-rim Han

9. Park Lie-Jun-ik Lee

10. I am Roh Moo-hyun-Lee Jang-jae.

2018：

1. Burning-Li Cangdong

2. Surviving children-Shen Dongxi

3. The countdown to the pursuit of the murderer is fifteen days-Lee Kyoung-mi

4. Leaves of Grass-Hong Shangxiu

5. Joint principal offender -LEE Hyuk-sang/KIM Il-rhan

6. Claire’s camera-Hong Shangxiu

7. Guilty girl-Jin Yiqian

8. Special Agent-Jong-bin Yun

9. Singing Goose-Lv Zhang

10. Little Gongnv-Quan Gaoyun

10. Night and Fog in Paradise-Sung-il Jung

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Original title: "1999 ~ 2019, Looking Back on the Best Korean Movies in 21 Years"

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　　Dental health is an important symbol of national health.

　　The fourth national oral health epidemiological survey shows that the situation of children suffering from dental caries is on the rise; Middle-aged people have poor periodontal condition; The oral health of the elderly is improving, but there are still some problems.

　　Tooth is the beginning of digestive tract, and its chewing function is related to the nutritional intake of human body and maintains the energy balance of the body. For example, infections and inflammatory factors in the oral cavity can cause or aggravate chronic diseases such as cardiovascular and cerebrovascular diseases and diabetes, and affect the quality of life. Therefore, dental health is not a trivial matter. To improve the health literacy of the whole people, we should not ignore dental health.

　　On the one hand, the dental diseases of Chinese residents are caused by the changes in lifestyle and diet structure, and people’s intake of sugary foods and sugary drinks has increased, which has increased the risk of dental caries. On the other hand, many people lack oral health knowledge, which leads to dental diseases for life.

　　Chinese often said "old-fashioned". In fact, when people are old, their teeth are not necessarily old. "Old teeth" are not necessarily because they are old, but probably because their teeth are sick. If you don’t want to lose your teeth, you should start with dolls and oral health knowledge.

　　This edition will launch the trilogy of "Healthy Through Train and Tooth Protection" from now on, focusing on the dental health problems of children, adults and the elderly respectively, clarifying the misunderstanding of nursing and introducing the common sense of protection, so please pay attention.

　　— — compiler

　　With people’s attention to oral health and tooth beauty, the demand for orthodontics in children is increasing.

　　Orthodontics refers to the correction of teeth and the removal of deformities of teeth and jaws. Many parents found their children’s dental problems early and tend to "start from childhood".

　　So, what are the misunderstandings in children’s orthodontics? What should I do if my child’s teeth are irregular and asymmetrical? Our reporter interviewed Hu Wei, chief physician of Orthodontics Department of Peking University Stomatological Hospital.

　　Who should I treat my crooked teeth?

　　You should go to the orthodontics department of stomatological hospital or the orthodontics specialty of stomatological clinic.

　　Reporter: If you want to correct your child’s teeth, can you find a general dentist to treat it?

　　Hu Wei: First of all, it should be emphasized that the problem of correcting children’s teeth is not to find a dental department, but to find an orthodontist, not a general dentist.

　　General dentists don’t know much about the mechanism of dentofacial deformity, and they don’t know much about the growth and development of children’s teeth and jaws. Naturally, they are not familiar with the best correction opportunity and method of dentofacial deformity, which may delay the correction of children. In the orthodontics clinic, it happened that the doctor who filled the child’s teeth was correcting the child’s teeth at the same time. Because he didn’t make a comprehensive diagnosis and treatment design, he only focused on the correction of the tooth irregularity. As a result, the teeth were initially lined up, but the problem of the child’s jaw dysplasia became more and more serious. When he found an orthodontist, he missed the best time to correct the jaw dysplasia. This can be described as "picking up sesame seeds but losing watermelon".

　　The growth and development of children’s teeth and jaws and the correction of various dentofacial deformities are the key contents that orthodontists study and pay attention to. Only orthodontists can comprehensively evaluate the types and degrees of children’s tooth and jaw deformities and their growth and development, make a comprehensive and correct diagnosis, and take targeted early correction. Every child’s teeth and jaw deformities are personalized, and early corrective methods and appliances for these problems should fully reflect individuality.

　　Therefore, when children’s teeth are found to be crooked or can’t grow, they should go to the orthodontics department of stomatological hospital or the orthodontics specialty of stomatological clinic.

　　How to determine the timing of correction?

　　Some tooth deformities can wait, and some can’t; You don’t have to wait until the deciduous teeth are replaced before correcting them.

　　Reporter: Can a child’s deciduous teeth be corrected when they have not been replaced?

　　Hu Wei: The concept that "deciduous teeth cannot be corrected until they have been replaced" is deeply rooted in many people’s hearts, even including some dentists.

　　In fact, some tooth deformities can wait, while others can’t, because the best time for correction is fleeting. For example, the deformities that affect the growth and development of the jaw, such as lower teeth and facial deviation, need to be corrected as soon as possible. Considering the children’s ability to cooperate with orthodontic treatment, girls and boys can start early correction of lower teeth and facial deviation at the age of about 4 and 5, and no later than 8 years old. For another example, some primary school students will have some bad oral habits, such as licking or biting their fingers, sticking out their tongues or licking new teeth with their tongues, biting their lips, etc. These habits must be corrected in time, otherwise it will affect the normal development of jaws and teeth, leading to dentofacial deformities. Some problems in children’s tooth replacement also need to be corrected as soon as possible. The reason why many parents bring their children to see a doctor is that the deciduous teeth have been lost for a long time, but they can’t see the permanent teeth growing out. In fact, it is because the child’s permanent teeth have problems in the growth process and cannot erupt (impacted teeth) on their own. These conditions need to be diagnosed and corrected as soon as possible after being discovered. Some children suffer from allergic rhinitis, tonsils and adenoids, which affect the normal breathing of the nose. They need to open their mouths to breathe, and in the long run, they will also have more obvious jaw and tooth deformities. This kind of problem needs to be diagnosed and treated in otorhinolaryngology department first, and the swollen tonsils and adenoids should be removed to make the respiratory tract unobstructed, and then an orthodontist should be found to correct it.

　　Therefore, after the replacement of deciduous teeth, many children’s dentofacial deformities have missed the best opportunity for correction. Whether children and adolescents need early orthodontic treatment, when to treat them, and what kind of correction methods to use need to be determined by orthodontists according to the types and degrees of children’s dentofacial deformities and their growth and development.

　　Find the deformity and treat it quickly?

　　It depends on the specific situation. Parents should not worry too much.

　　Reporter: So, is it better to correct your child’s teeth as soon as possible?

　　Hu Wei: In sharp contrast to the view that "deciduous teeth can’t be corrected before they are replaced", some parents are too anxious about their children’s tooth deformities and always want to correct them as soon as possible. Parents’ mood is understandable, but it depends on the specific situation.

　　As mentioned above, lower teeth, crooked face, bad oral habits (biting fingers, spitting out tongue, etc.), mouth-opening breathing caused by tonsil and adenoid enlargement, impacted teeth and supernumerary teeth need early detection and treatment. For the short chin (mandibular retraction deformity), we should wait until the peak of the child’s growth and development to temporarily correct it, so that we can get twice the result with half the effort. Generally, the growth and development peak of girls is between 10 and 12 years old, and boys are two years later than girls, and their growth and development peak is mostly between 12 and 14 years old.

　　In addition, there is no need to worry about some temporary tooth deformities during children’s tooth replacement, such as cracks between maxillary incisors (central incisors) and crowns of maxillary incisors (lateral incisors) sticking out to both sides. This is because when the central incisor erupts, the root of the central incisor is squeezed by the lateral incisor that has not erupted, and the crown of the lateral incisor is against the root of the central incisor, which causes the central incisor to tilt to both sides, resulting in crevices. However, the "brothers" have not been separated for a long time. After the lateral incisors erupt, the crowns of the central incisors will also be squeezed. At that time, the two front teeth will gradually move closer to the middle and eventually return to the correct position.

　　The most common phenomenon during children’s tooth replacement is that the front teeth grow in and out, which is irregular (crowded dentition). These are mainly due to the immature jawbone, the newly grown permanent teeth are much larger than the deciduous teeth, and the space of the original deciduous teeth can not meet the needs, so there is a contradiction between supply and demand in the dentition, and several newly grown permanent teeth have to be wronged. With the growth and development of maxilla and mandible, the dental arch will increase. The "home" has become bigger, and the permanent teeth that were originally crowded together will automatically adjust their positions, and the degree of crowding will be improved. The replacement period of primary and permanent teeth can be said to be an "ugly duckling" stage that children have to go through. Parents should not worry too much. Many cases of crowded dentition can get better by themselves after the jaw develops.

　　Therefore, when a child is found to have teeth misaligned, an orthodontist should be asked to conduct a comprehensive examination and evaluation, so as to determine when to correct. Many children with crowded dentition can wait until the deciduous teeth are replaced before treatment, which can not only shorten the treatment course, but also save the treatment cost and obtain better curative effect.

　　Don’t worry if the deciduous teeth are broken?

　　Should be treated in time, as far as possible to keep rather than easily pull out.

　　Reporter: Many people think that deciduous teeth will be replaced by permanent teeth in the future anyway, and it won’t matter if they are broken, and there is no need to treat them. Is that so?

　　Hu Wei: This is a wrong idea. Although deciduous teeth only stay in the mouth for a relatively short period of time, they play an important role.

　　Poor deciduous teeth will directly affect children’s eating and chewing and digesting food, which is not conducive to children’s growth and development. The health of deciduous teeth is also very important for the development of children’s jaws. If the deciduous teeth are broken (mostly decayed teeth) and the teeth are not filled in time, children will not want to eat with the teeth with bad teeth. Over time, they will develop the bad habit of unilateral chewing, which will lead to abnormal jaw development and facial asymmetry. Some children’s upper front teeth are broken due to improper feeding methods (mostly bottle caries of deciduous teeth), and they are not treated in time. As a result, there are no upper front teeth when the children are very young. This is likely to lead to the occurrence of undertoothing in the future. If the deciduous teeth are not treated in time, it will also cause root inflammation, which will further interfere with the development of the permanent tooth germ immediately below them.

　　Primary teeth are the guide for the eruption of permanent teeth. Without guidance, permanent teeth will either not grow or grow in the wrong direction. The existence of deciduous teeth can provide shelter for the permanent teeth in the future. If it breaks down or falls off prematurely, the adjacent teeth will occupy this space, causing the permanent teeth to be replaced later to have nowhere to live, resulting in the teeth either growing crooked or not growing out (impacted teeth).

　　Therefore, if the deciduous teeth are broken, they should be treated in time and kept as much as possible instead of being pulled out easily. If the deciduous teeth are so bad that they must be pulled out, they should be examined by an orthodontist, and a corresponding gap retainer (gap retainer) should be made and placed at the pulled-out deciduous teeth to prevent the adjacent teeth from moving, so as to reserve space for the permanent teeth that will grow here in the future. There are various types of gap holders, which are selected and used by orthodontists according to the development of children’s teeth and jaws.

　　In order to develop children’s teeth healthily, parents should first raise their awareness of protecting their children’s deciduous teeth, and regularly check their teeth at the dental clinic. Secondly, they should find an orthodontist for professional diagnosis and treatment in time if they find abnormal tooth development, so as to lay the foundation for their children to have a good tooth in the future.

On January 25th, the Ministry of Ecology and Environment announced to the media the national surface water environmental quality in the fourth quarter of 2023 (October-December) and January-December.

I. General situation

In the fourth quarter, among the 3,641 national surface water assessment sections, the proportion of sections with excellent water quality (Class I-III) was 89.8%, up 0.2 percentage points year-on-year; The proportion of inferior V section was 0.8%, up 0.1 percentage points year-on-year. The main pollution indicators are chemical oxygen demand, total phosphorus and permanganate index.

From January to December, among the surface water assessment sections in 3641 countries, the proportion of sections with excellent water quality (Class I-III) was 89.4%, up 1.5 percentage points year-on-year; The proportion of inferior V section was 0.7%, which was the same as that of the same period of last year. The main pollution indicators are chemical oxygen demand, total phosphorus and permanganate index.

Figure 1 Proportion of surface water quality categories in China from January to December

Second, the water quality of major rivers

In the fourth quarter, the proportion of sections with excellent water quality (Class I-III) in seven major river basins, such as Yangtze River, Yellow River, Pearl River, Songhua River, Huaihe River, Haihe River and Liaohe River, and rivers in the northwest, southwest and Zhejiang and Fujian provinces was 92.1%, up by 0.2 percentage points year-on-year; The proportion of inferior V section was 0.6%, up 0.2 percentage points year-on-year. The main pollution indicators are chemical oxygen demand, permanganate index and five-day biochemical oxygen demand. Among them, the water quality of the Yangtze River basin, the northwest rivers, the Zhejiang-Fujian rivers, the southwest rivers, the Pearl River and the Yellow River basin is excellent; The water quality of Huaihe River, Haihe River, Liaohe River and Songhua River basins is good.

From January to December, the proportion of sections with excellent water quality (Class I-III) in seven major river basins, such as the Yangtze River, Yellow River, Pearl River, Songhua River, Huaihe River, Haihe River and Liaohe River, and rivers in the northwest, southwest and Zhejiang and Fujian provinces was 91.7%, up 1.5 percentage points year-on-year; The proportion of inferior V section was 0.4%, which was the same as that of the same period of last year. The main pollution indicators are chemical oxygen demand, permanganate index and five-day biochemical oxygen demand. Among them, the water quality of the Yangtze River basin, Zhejiang and Fujian rivers, northwest rivers, southwest rivers, Pearl River and Yellow River basins is excellent; The water quality of Huaihe River, Liaohe River and Haihe River basins is good; Songhua river basin is slightly polluted.

Figure 2 Proportion of water quality categories in seven major river basins, southwest and northwest rivers and rivers in Zhejiang and Fujian from January to December.

Iii. Water quality and nutritional status of key lakes (reservoirs)

In the fourth quarter, among the 208 key lakes (reservoirs) monitored, the number of lakes and reservoirs with excellent water quality (Class I-III) accounted for 76.4%, up 2.8 percentage points year-on-year; The number of lakes and reservoirs with inferior grade V water quality accounted for 3.8%, down 1.0 percentage points year-on-year. The main pollution indicators are total phosphorus, chemical oxygen demand and permanganate index. Among the 201 lakes (reservoirs) whose nutritional status was monitored, 9 were moderately eutrophic, accounting for 4.5%; 46 were mildly eutrophic, accounting for 22.9%; The rest of the lakes (reservoirs) are in the state of medium nutrition or poor nutrition. Among them, Taihu Lake and Chaohu Lake are slightly polluted and slightly eutrophic, and the main pollution index is total phosphorus; Dianchi Lake is moderately polluted and moderately eutrophic, and the main pollution indexes are chemical oxygen demand, total phosphorus and permanganate index. Both Erhai Lake and Baiyangdian Lake have good water quality and moderate nutrition. The water quality of Danjiangkou Reservoir is excellent and moderate.

From January to December, among the 209 key lakes (reservoirs) monitored, the number of lakes and reservoirs with excellent water quality (Class I-III) accounted for 74.6%, up 0.8 percentage points year-on-year; The number of lakes and reservoirs with inferior grade V water quality accounted for 4.8%, which was flat year-on-year. The main pollution indicators are total phosphorus, chemical oxygen demand and permanganate index. Among the 205 lakes (reservoirs) monitoring the nutritional status, 8 are moderately eutrophic, accounting for 3.9%; 48 were mildly eutrophic, accounting for 23.4%; The rest of the lakes (reservoirs) are in the state of medium nutrition or poor nutrition. Among them, Taihu Lake and Chaohu Lake are slightly polluted and slightly eutrophic, and the main pollution index is total phosphorus; Dianchi Lake is slightly polluted and moderately eutrophic, and the main pollution indexes are chemical oxygen demand, total phosphorus and permanganate index. Both Erhai Lake and Baiyangdian Lake have good water quality and moderate nutrition. The water quality of Danjiangkou Reservoir is excellent and moderate.

Table 1 Water Quality and Nutritional Status of Six Lakes (Reservoirs) from January to December

Fig. 3 Water quality and nutritional status of six lakes (reservoirs) from January to December.

Four, prefecture level and above cities national surface water assessment section ranking

From January to December, among the cities at the prefecture level and above in China, the water environmental quality of national surface water assessment sections in 30 cities such as Liuzhou, Lishui and Chongzuo was relatively good (from 1st to 30th), while the water environmental quality of national surface water assessment sections in 30 cities such as wujiaqu city, Shangqiu and Kaifeng was relatively poor (from 1st to 30th). See Table 1-2.

The changes of water environmental quality of national surface water assessment sections in 30 cities such as Shihezi, Baicheng and Lvliang are relatively good (from 1st to 30th), while the changes of water environmental quality of national surface water assessment sections in 30 cities such as Benxi, Ningbo and Changzhou are relatively poor (from 1st to 30th). See attached table 3-4.

Schedule 1

From January to December, 2023, the water environment quality of the national surface water assessment section ranked the top 30 cities and their water bodies.

Schedule 2

From January to December, 2023, the water environment quality of the national surface water assessment section ranked the last 30 cities and their water bodies.

Note: The water quality of the water body marked with * in the table meets Class I or Class II of Environmental Quality Standard for Surface Water (GB3838-2002)Ⅰ); There is serious human interference in the section of Liutuan Bridge in Bailang River, Weifang City, and the worst value substitution treatment is carried out for this section.

Schedule 3

From January to December, 2023, the changes of water environment quality in the national surface water assessment section ranked the top 30 cities and their water bodies.

Note: A negative value indicates that the environmental quality of surface water is getting better year-on-year, while a positive value indicates that it is getting worse year-on-year, the same below.

Schedule 4

From January to December, 2023, the changes of water environment quality in the national surface water assessment section ranked the last 30 cities and their water bodies.

Note: The water quality of the water body marked with * in the table meets Class I or Class II of Environmental Quality Standard for Surface Water (GB3838-2002)Ⅰ); There is serious human interference in the sections of Sunjiawan and Langhekou of Guanshan River in Shiyan City and Sizaopu Gate in Ningbo City, and the worst value substitution treatment is carried out for the above three sections.

　　As a latecomer in the automotive industry, the initial stage is not smooth. At present, several models on the market are not mainstream models, and there are not many achievements in engines. At present, the latest catalogue information reveals that Lifan has independently developed a new displacement engine-1.5L displacement.

Type name	LF7152 car
label	Lifan
Car type	M1
Vehicle identification method and location	The vehicle identification code is marked on the product nameplate. The signboard is located on the dashboard near the left pillar of the windshield.
Name of vehicle manufacturer	Chongqing lifan Passenger Car Co., Ltd.
Address of the manufacturer	No.1539 Jinkai Avenue, Economic Development Park, North New District, Chongqing

　　LF7152 is the latest catalog number, but Lifan has never registered any 1.5L displacement model catalog before, which means that LF7152 is the first Lifan 1.5L model, but the most surprising thing is not the 1.5L engine, but the catalog number of 7152. A careful look at the catalogue sorting law of Lifan’s existing models can reveal its true intention. The catalog numbers of the series are LF7130/7160()LF7131/7161 (), the catalog number of the series is LF7162, and the catalog number of the series is LF7132. According to the numbers, it is lifan 620 and lifan 320 that are most likely to be equipped with 1.5L engines.

"lifan 620 on sale"

　　Is lifan 620 or lifan 320 the first to carry the newly developed 1.5L engine? It is difficult to judge by the data obtained at present, and the only one that can be compared is the box emission control device. At present, the crankcase model of lifan 620 is MXF-PCV-471, while that of lifan 320 is G01. Because the crankcase model of the model No.7152 is exactly the same as that of lifan 620, it is preliminarily judged that the first matching model is lifan 620. In fact, from the perspective of the model itself, it is more likely that it should be lifan 620. Lifan 320’s is only 2340mm, which is a typical mini car. It is more than enough to use a 65kW 1.3L engine to propel a 900kg car body, and it is not very meaningful to use 1.5L again.

　　About the technical origin of 1.5L engine, we can get a general idea from the engine model. The LF479Q engine was developed by Lifan according to the 8A series, and then it was improved according to its own actual situation, and the LF479Q3 1.3L engine was developed, which was widely used in Lifan’s 520 and 320 models. However, this LF479Q2 is the first appearance. Judging from the Arabic numeral 2 with the suffix, it should be developed at the same time as 1.3L, but the development progress is relatively backward.

　　At present, the information about this 1.5L engine is almost zero. We only know that its data is close to the parameter performance of the LF481Q 1.6L engine, but it will have a big advantage in cost. We will wait and see what its future performance will be. (Text/Xiaosheng)

Cctv news(Reporter Wang Ruxi): On the 21st, there were obvious rainy weather in parts of the central and western Sichuan Basin, the eastern part of the northwest, the western part of Huanghuai, the eastern part of the south of the Yangtze River and the northeast. According to the latest forecast of the Central Meteorological Observatory, on the 22nd, there were heavy rains in parts of northeastern Sichuan Basin, northwestern Chongqing and central Henan, and there were heavy rains in central Henan.

The Henan Meteorological Observatory continued to issue a red rainstorm warning at 13: 20 on August 22, 2021. It is estimated that in the next three hours, the accumulated precipitation in Pingdingshan, Luohe and Xuchang, the southern part of Zhengzhou and Kaifeng, the northern part of Nanyang and the western part of Zhoukou will reach more than 100 mm. According to the actual precipitation ranking of the Central Meteorological Observatory, at 15: 00 on the 22nd, Henan accounted for 8 places in the top ten precipitation areas in China.

On the evening of August 21, many citizens in Zhengzhou parked their private cars on the viaduct in response to the rainstorm. In response, the Zhengzhou traffic police said: "The traffic police department will not illegally handle the temporary parking of vehicles on roads and viaducts due to emergency flood control, reminding the general public not to affect road traffic as much as possible when parking vehicles. After the rainstorm, it is necessary to transfer the vehicles to a position that does not affect traffic in time."

At noon on August 22, Zhengzhou City Defense Office issued a notice requesting 67 bridges and culverts tunnels and 23 small railway bridges and culverts in the urban area to start measures to block traffic and implement traffic control. According to Zhengzhou traffic police, at present, the entrances and exits of the third section of the Beijing-Guangzhou tunnel, the future road tunnel and the Hongzhuan road tunnel have been closed, and the duty personnel are on duty. After the rain increased, Zhengzhou traffic police arranged all police forces to arrive at key intersections and road sections such as culverts, bridges, ponding points, underpass tunnels, etc. to carry out traffic security work, set up warning tape at any time according to the rainfall situation, put warning signs and reflective cones, and fully cooperate with relevant departments to carry out drainage rescue operations.

Moreover, in response to heavy rainfall, China Railway Zhengzhou Bureau Group Co., Ltd. stopped 59 passenger trains for one day from 0: 00 on August 22. Among them, there are 14 through buses and 45 in-line buses. According to the official Weibo news of Zhengzhou Public Transport Corporation and the No.6 Order of Zhengzhou Flood Control and Drought Relief Headquarters, all bus lines in Zhengzhou stopped operating on the 22nd and 23rd.

On August 21, the Flood Control and Drought Relief Headquarters of xinzheng city, Henan Province issued an emergency notice, saying that from 18: 00 on August 21 to 12: 00 on August 23, the whole city took emergency measures to avoid risks. Except for emergency rescue and people’s livelihood security personnel, the whole city stopped work, suspended classes, stopped production, closed business and stopped business. Enterprises that are temporarily unable to stop production due to special reasons should report to the Municipal Flood Control and Drought Relief Headquarters in time and take emergency preventive measures.

According to the official news from Weibo, Propaganda Department of Zhengzhou Xingyang Municipal Committee, Xingyang City has started flood control level I response since 14: 00 on August 21, 2021. All enterprises involved in high temperature and high pressure will stop production, all outdoor operations will stop, shops along the street, underground shopping malls will stop business, all public transport will stop, and scenic spots, dangerous roads and underground culverts in its jurisdiction will be closed. For people living in dangerous areas such as mountain flood geological disaster areas, dangerous reservoirs, downstream of warping dams, low-lying areas prone to waterlogging, damaged houses, etc., organize in advance to avoid risks and move to safe areas.

According to the forecast of the meteorological department, the strongest rainfall in Zhengzhou may occur in the afternoon to the first half of the night. In this regard, Zhengzhou has launched a Class II flood control response. Up to now, Zhengzhou has urgently transferred 240,000 people to avoid danger, and the local rainfall is still going on. All relevant departments are also waiting for it.