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[单选题]

Scientists say that much of______is covered with water.

A.the earth’s surface

B.the surface of earth

C.the earth surface

D.the surface of the earth

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发布时间：2022-12-02

更多“Scientists say that much of______is covered with water.”相关的问题

第1题

老科学家、中年科学家很重要，青年科学家也很重要。

A.The veteran and middle-aged scientists are important, and so are the young ones.

B.The veteran, middle-aged scientists are important, and so are the young ones.

C.The veteran and middle-aged scientists are important, so are the young ones.

D.The veteran, middle-aged scientists are important, so are the young ones.

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第2题

Historically, scientists and inventors are one group that seem to take full________o

f relaxed moments.

A、 use

B、 chance

C、 advantage

D、 attention

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第3题

Scientists have discovered many planets orbiting distant stars, all are _____ to life.

A.unlikely

B.unfriendly

C.forbidden

D.vulnerable

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第4题

The scientists （) thousands of chemicals before they could find an effective cure that is suitable for the disease.

A. tried out

B. ran out

C. turned out

D. picked out

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第5题

For a long time scientists have suspected （) life exists on other planets besides the earth, but until recently, they had very little evidence to support this theory.

A.whether

B.if

C.that

D.what

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第6题

One day two scientists were quarrelling about whose watch was better, the German one o

r the Japanese one. Since they were scientists, they decided to do an experiment to test the watches. They went into their lab and filled a basin with water, put the watches in, waited for 20 minutes and took them out.

They could see there was something wrong with both watches. They observed them for several hours before speaking to each other. They both silently found the German watch was losing 60 minutes and the Japanese are doubled that.

The scientists with the Japanese watch then slowly raised his head and said, “Both watch are out of work, but my watch is right more often than yours, so it’s better.” The scientist with the German watch went home without saying a word.

(1) The two scientists were quarrelling at the beginning of the story, because_______.

A.the Japanese watch was better

B.the German watch was better

C.each of them thought his own watch was better than the other’s

D.both the watches were wrong

(2) They did an experiment because they_______.

A.wanted to know whose watch was better

B.liked their lab

C.wanted to repair their watches

D.had a basin of water in their lab

(3) After they did the experiment, they found_______.

A.both their watches were good