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China says 16 endangered finless porpois...

    China says 16 endangered finless porpoises(江豚)have been found dead since the beginning of the year and experts blame water pollution and climate change for pushing the species toward extinction

The freshwater porpoise-popularly known in Chinese as the"river pig"-mainly lives in China's Yangtze River and two lakes linked to the river

Authorities(官方)have discovered 10dead porpoises in Dongting Llake in the central province of Hunan since March, according to a statement by the government of Yueyang City, which is located on the lake's shore Another six dead porpoises have been found in Poyang Lake in the eastern province of Jiangxi since the beginning of the year Experts warn that the species will be extinct within a matter of years

Wang Kexiong, a researcher at China's Institute of Hydrobiology, said water pollution, shipping and sand dredging(挖掘)were all possible contributing factors to the recent deaths

Many rivers in China have become heavily polluted with poisonous waste from factories and farms-pollution blamed on more than three decades of rapid economic growth and slow enforcement(实施)of environmental protection laws

The report said climate change also could be to blame as the dry weather has caused water levels to drop and makes it more difficult for the porpoises to find food Tests have shown that some of the porpoises are believed to have died of starvation(饥饿).

In 2006, China was estimated(估计)to have only 1,200 finless porpoises left That same year, the Baiji-a freshwater dolphin also native to the Yangtze River-was declared extinct Earlier this year, a survey found just 65"river pigs"in Dongting Lake and 300-400 in Poyang Lake

Following the recent deaths, Yueyang City promised to investigate and increase protection of the remaining porpoises in Donting Lake

1.How many river pigs are estimated to live in Dongting Lake

A.49

B.55

C.59

D.65

2.The following factors of river pigs' deaths are mentioned EXCEPT__________.

A.water pollution

B.climate change

C.food shortage

D.illegal fishing

3.We can learn from the text that__________.

A.river pigs' deaths can be reduced if measures are taken in advance

B.river pigs' deaths are completely caused by human beings' activities

C.climate change is likely to stop economic growth in China

D.economic growth always has a negative effect on the environment

4.The number of river pigs is listed in Paragraph 7 to________

A.show they have become extinct

B.call for more effective protection

C.show they are on the edge of extinction

D.show the importance of raising them in labs

 

1.B 2.D 3.A 4.C 【解析】 文章大意:本文是一篇新闻报道。文章介绍了今年以来已经发现有16只长江江豚死亡。长江江豚是濒临灭绝物种,它们生活在长江流域,近年来由于江水污染,和气候变化等原因数量逐渐减少。 1.细节理解题。根据第7大段“Earlier this year, a survey found just 65"river pigs"in Dongting Lake and 300-400 in Poyang Lake.” 洞庭湖共有65个河豚;再根据第3大段“Authorities(官方)have discovered 10dead porpoises in Dongting Llake”死了10个河豚,可知,只有55个河豚。故选B。 2.细节理解题。根据第1大段“since the beginning of the year and experts blame water pollution and climate change for pushing the species toward extinction.”有水污染和气候变化原因;再根据第6大段“ests have shown that some of the porpoises are believed to have died of starvation(饥饿).”食物短缺的原因。可知,选D。 3.推测判断题。根据第8大段“Following the recent deaths, Yueyang City promised to investigate and increase protection of the remaining porpoises in Donting Lake.”可知,如果采取相应的措施保护河豚,河豚的死亡数量能减少。故A正确;根据第1大段“since the beginning of the year and experts blame water pollution and climate change for pushing the species toward extinction.”有水污染和气候变化原因,不单单只是人为原因,故B错误;根据第6大段“The report said climate change also could be to blame as the dry weather has caused water levels to drop and makes it more difficult for the porpoises to find food”气候变化造成水位下降和河豚找食物的困难,而没有指出是停止中国经济发展,故C错误;根据常识可知,经济发展对人们生活水平提高有很大帮助,而不只是副作用,故D错误。故选A。 4.细节理解题。根据第7大段“In 2006, China was estimated(估计)to have only 1,200 finless porpoises left. That same year, the Baiji-a freshwater dolphin also native to the Yangtze River-was declared extinct.” 中国估计只有1200个河豚,可知数字说明河豚几乎濒临灭绝。故选C。
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B.Move around

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B.Using too many pauses while talking will annoy others

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