题目内容

18.Four Wild Animal Species Were Endangered
Maybe you can still see them at the zoo.But that doesn't mean they're doing alright in the wild.
Tigers
All six tiger species are endangered,with Suatran tigers and South China tigers at a seriously endangered status.The main reasons for their population decline are illegal hunting and destroyed habitats,as humans clear forests to gather timber and build roadways.Only about 3890tigers presently live in the wild.
Ground squirrels
That's right,even squirrels are endangered,specifically the San Joaquin ground squirrel.Native to California,USA,these guys have been disappearing since 1979on account of the construction and human developments going through their habitat.Their total population is unknown,but it could be anywhere between 124000 and 4130000.
Giraffes
The International Union for the Conservation of Nature recently put giraffes at a vulnerable status,the level just before endangered.The giraffe population has declined 40percent in the last 30years,primarily due to loss of habitat and illegal hunting.Some giraffes are killed just for their tails,which are considered status symbols in Africa.
Asian elephants
The main threat to Asian elephants,one of the most intelligent animals,is their shrinking habitat.As the human population grows,people invade their land to build roads and railway tracks.Elephants in Myanmar are at an especially high risk for being captured and traded or used illegally in the tourist industry.Fewer than 50000 are left on the entire continent.
21.What is the total population of tigers living in the wild?B
A.50000.B.Around 3890.C.124000.D.413000.
22.Which of the following is considered one of the most intelligent animals?D
A.Tigers.B.Giraffes.C.Ground squirrels.D.Asian elephants.
23.What is the common threat to the four wild animals?B
A.Illegal hunting.
B.Disturbed habitat.
C.Developing tourism.
D.Unnecessary construction.
24.Which word can best describe the present situation for protecting wild animals?A
A.Urgent.B.Optimistic.C.SatisfactoryD.Stable.

分析 本文主要讲述了四种野生动物濒临灭绝的现状和原因.

解答 21.B 细节理解题.根据句子Only about 3890 tigers presently live in the wild.目前大约只有3890只老虎生活在野外.所以答案选B.
22.D 细节理解题.根据句子The main threat to Asian elephants,one of the most intelligent animals is their shrinking habitat.亚洲象是最聪明的动物之一,主要的威胁是它们日渐萎缩的栖息地.所以答案选D.
23.B 细节理解题.根据Tigers中的句子The main reasons for their population decline are illegal hunting and destroyed habitats,他们的人口下降的主要原因是非法狩猎和栖息地遭到破坏; human developments going through their habitat人类的发展通过了它们的栖息地;one of the most intelligent animals is their shrinking habitat.亚洲象是最聪明的动物之一,主要的威胁是它们日渐萎缩的栖息地;可见对于这些动物的威胁主要是栖息地的破坏,所以答案选B.
24.A 推理判断题.根据文章题目Four Wild Animal Species Were Endangered四种野生动物濒临灭绝,和文章内容可以推断出保护野生动物是紧急的,Urgent"紧急的,紧迫的",所以答案选A.

点评 本文是一个广告布告类阅读理解,题目涉及多道细节理解题,做题时结合原文和题目有针对性的找出相关语句进行仔细分析,结合选项选出正确答案.推理判断题也是要在抓住关键句子的基础上合理的分析才能得出正确答案,切忌胡乱猜测,一定要做到有理有据.

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