题目内容

先通读下列短文,掌握大意,然后根据短文内容和所给首字母,在空格内填入一个适当的词,使短文意思完整。所填单词在题后横线上必须完整写出

What would you think if you saw a fish walking? Would you look again i 1. you saw a fish climbing a tree? There is a fish that does b 2. of these things. It is called the tree-climbing fish.

It is believed that a traveller to India first told about the tree-climbing fish. The fish was h 3. up in a tree. What was the fish doing in that tree? How did it get there? The traveller t 4. a bird might have put it there.

The next day the traveller saw a fish come out of the w 5. . It was hard to believe, but up the road went the fish. It used its fins (鱼鳍) and tail to pull i 6. along. It stopped to eat some worms. After the fish ate, it walked slowly over to a tree. Up, up it c 7. . When it got high up in the tree, it took a rest.

The traveller was s 8. to see these things and told other people about the tree-climbing fish. The people wanted to know w 9. this fish looked like. He explained the one he saw was dark brown and about one foot long.

People can f 10. the tree-climbing fish not only in India but also in the Philippines, Thailand, Pakistan, and other places. At one time, people saw the fish in Florida, America. Because the weather there was too terrible, it was not able to live there any longer.

 

1.if

2.both

3.high

4.thought

5.water

6.itself

7.climbed

8.surprised

9.what

10.find

【解析】

试题分析:

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考点:缺词填空。

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On June 26, 2000, two scientists, called Francis Collins and Craig Venter, told the world that they could now read the whole “map” of the human body: DNA. DNA is something that everybody has, and it tells the body what to do. DNA is the reason that we look like our mother and father, because we get some of their DNA to make our own.

People have been trying to understand the human body for a long time. In 1860, Gregor Mendel discovered a special reason why we look the same as other people in our family. It is because of small things named “genes” in our body. In 1953, James Watson and Francis Crick made another discovery and found out that those small parts are real messages written in the DNA with a special language.

  In 1961, Marshall Nirenberg and Johann Matthaei found a message in DNA showing how DNA tells the cell (细胞) to build its parts. Scientists have now found all the words in the DNA map, but we still do not understand what they all do. By understanding what just one “word” means, we can help save more people from several illnesses.

  Most people hope that this will help make better medicine and help sick people. Other people worry that when people begin to know more words and find out lots of other information, we might use it in a wrong way, just to make people more attractive, or stop sick people from getting jobs. Man would have to meet a lot of trouble if DNA technology (技术) wasn’t limited (限制) in use.

1.When did we first know why we look like other people in our family?

A. In 1860. B. In 1953. C. In 1961. D. In 2000.

2.What did the two scientists first discover in 1961?

A. The “map” of DNA. B. A new illness.

C. The language of DNA. D. A message of DNA.

3.What can we do if we understand some “words” of the language inside the body?

A. Make people get new jobs.

B. Make medicine for illnesses.

C. Make maps of human.

D. Make people less attractive.

4.What do people think about this work?

A. It can cause good or bad results.

B. It can cause only good results.

C. It can cause good results but won’t work.

D. It can cause only bad results.

 

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