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How did it ______that he made so many mistakes in his homework?

A.come about

B.occur to him

C.bring about

D.take place

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第3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.

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

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B.the German watch was better

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A.wanted to know whose watch was better

B.liked their lab

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B.neither of their watches could tell the correct time

C.there was something wrong with the German watch

D.there was something wrong with the Japanese watch

(4) After putting the Japanese watch in water for 20 minutes, two scientists found_______.

A.it was a good watch

B.it went forward

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D.it went backwards 120 minutes

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B.It stopped working.

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D.It was better that the Japanese one.

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第4题
Did you()early this morning?
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A.get up

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第5题
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第10题
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A.look at

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