题目内容

Twenty-five percent of the water in this river _____ dirty in the past.

A. is B are C. was D. were

 

C

【解析】

试题分析：句意:过去这条河25%的水是脏的。这句话的主语是Twenty-five percent of the water ，百分数修饰名词做主语，这时谓语动词的单复数形式应该跟名词的形式保持一致，water 是不可数名词，所以这里应该用单数形式，又根据句意和句中的in the past 可知，这里说的是过去的事情，故应该用一般过去时，故选C。

考点：考查主谓一致和动词时态。

 

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There is a long history behind the first T-shirts and today’s colorful outerwear(外衣).

Many stories talk about the first T-shirts and the reason why people wear them. One says the first T-shirt had something to do with war.

In World War I

Some American soldiers found that European soldiers’ undershirts(汗衫) were cooler and more comfortable. They started to wear the same kind. Because the design of the undershirts was simple and looked like the letter T, Americans called the clothes T-shirts.

By World War II Many soldiers started to wear T-shirts as under-wear.

In the 1930s Many American students started wearing white T-shirts for playing sports.

In 1951 Marlon Brando, a very famous American actor, wore a tight-fitting (紧身的)T-shirt in a film. After this, many American men started to dress like him.

In the 1970s T-shirts became the favorite kind of clothing for young people in many countries. At that time, they were a sign of being cool and different from others.

In the 1980s T-shirts started to be hot in China.

Now many young people show their own ideas on their T-shirts; special pictures, funny words... T-shirts are more like artworks than just simple summer wear

1.Who first wore T-shirts according to the passage?

A.American students. B. American soldiers.

C. European soldiers. D. European students.

2.What did the American students wear T-shirts for at the beginning?

A.For being different B. For playing sports.

C. For being cool. D. For making money.

3.When did T-shirts become a sign of being cool and different?

A.By World War II B. In the 1930s.

C. In the 1970s. D. After the 1930s.

4.Why are T-shirts more like artworks than just simple summer wear now?

A.Because young people can put their ideas on them.

B.Because they are very expensive and different.

C.Because everyone likes T-shirts and they are popular.

D.Because they look beautiful.

5.Which of the following is TRUE according to the passage?

A.It’s said that the first T-shirts had nothing to do with war.

B.The clothes were named T-shirts by a famous American actor.

C.Many soldiers had begun to wear T-shirts by World War II.

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7.Animal World is my favorite ________.

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