Question

6．Four Wild Animal Species Were EndangeredMaybe 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 3890 tigers 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 1979 on 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．Th e giraffe population has declined 40 percent in the last 30 years，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？A
A．Around 3890．
B.50000．
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？C
A．Satisfactory     
B．Optimistic．
C．Urgent．
D．Stable．

Answer 1

分析 四種野生動(dòng)物瀕臨滅絕的現(xiàn)狀和原因．

解答 21．A 細(xì)節(jié)理解題．根據(jù)句子Only about 3890 tigers presently live in the wild．目前大約只有3890只老虎生活在野外．所以答案選A．
22．D 細(xì)節(jié)理解題．根據(jù)句子The main threat to Asian elephants，one of the most intelligent animals is their shrinking habitat．亞洲象是最聰明的動(dòng)物之一，主要的威脅是它們?nèi)諠u萎縮的棲息地．所以答案選D．
23．B 細(xì)節(jié)理解題．根據(jù)Tigers中的句子The main reasons for their population decline are illegal hunting and destroyed habitats，他們的人口下降的主要原因是非法狩獵和棲息地遭到破壞； human developments going through their habitat人類(lèi)的發(fā)展通過(guò)了它們的棲息地；one of the most intelligent animals is their shrinking habitat．亞洲象是最聰明的動(dòng)物之一，主要的威脅是它們?nèi)諠u萎縮的棲息地；可見(jiàn)對(duì)于這些動(dòng)物的威脅主要是棲息地的破壞，所以答案選B．
24．C 推理判斷題．根據(jù)文章題目Four Wild Animal Species Were Endangered四種野生動(dòng)物瀕臨滅絕，和文章內(nèi)容可以推斷出保護(hù)野生動(dòng)物是緊急的，Urgent"緊急的，緊迫的"，所以答案選C．

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