人教版高中英语选修六Book 6 Unit 4 Global warming 单元测试

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Book 6 Unit 4 Global warming 单元测试

第二部分：阅读理解（共两节，满分40分）

第一节（共15小题；每小题2分，满分30分）

阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。

A

★★☆☆☆

Known as the world’s first-ever cloned camel, Injaz was born in Dubai on April 8, 2009. Injaz’s real mother was killed in an acc ident in 2005, but scientists saved the DNA and injected it into an empty egg cell (卵细胞) of Injaz’s new mother. With camel racing being big business in Dubai, such a breakthrough means a lot.

Carbon Copy or Cc surprised everyone when she was born. For a start she had a grey stripe (条纹) running down her white back whereas her real mother, Rainbow, sported more of a gold and brown style. Then, when Cc started to play, she was found to be rather playful. Rainbow, however, had always been shy and disinterested.

Born on July 7, 1999, Daisy was cloned from a 13-year-old cow named Aspen. Scientists had often worried that cloning the DNA of an elderly animal would result in health problems for the newborn animal. But Daisy proved doubters wrong when she was able to give birth naturally two years later.

Dewey became the world’s first-ever cloned deer when he was born on May 23, 2003 at the College of Veterinary Medicine in Texas. Dewey is a white-tailed

deer and became the fifth animal the college had successfully cloned, the others being a pig, cattle, goats and a cat.

Little Idaho Gem celebrated a double when he was born in May 2003 becoming both the world’s first cloned mule (骡) and the world’s fir st clone connected to the horse family. Financed by a wealthy mule-racing person, Idaho Gem, along with another cloned mule, Idaho Star, was sent to a trainer for a successful career on the track.

In October 2005 two wolves in Korea were successfully cloned to avoid extinction. Snuwolf and Snuwolffy were born in the Seoul Zoo. Unfortunately Snuwolf died in August 2009 from an infection which had absolutely nothing to do with the cloning process according to the scientists.

21. Both Injaz and Idaho Gem _____.

A. were born in a college in Texas

B. lost their mother in an accident

C. have something to do with sports

D. have suffered serious health problems

22. Why were people surprised at Carbon Copy?

A. Her tail was much longer than her mother’s.

B. She didn’t look or act exactly like her real mother.

C. She didn’t show any interest in the other cats.

D. Her back was much brighter than her mother’s.

23. What can we learn about Snuwolf?

A. It died of a heart attack in August 2009.

B. It lived in the Seoul Zoo for eight years.

C. It gave birth to two healthy baby wolves.

D. It is a kind of animal in danger of dying out.

24. Where can we most probably read this text?

A. In a science report.

B. In a personal diary.

C. In a travel magazine.

D. In a geography textbook.

B

★★★☆☆

A tiny village in Guatemala is now in great need of garbage. Elsewhere in San Pablo, the Philippines, the locals have nearly exhausted all the available supply of plastic bottles at the dump. Both of them are looking for interesting ways of using these materials.