He made _____ experiments to prove his theory, and the number _____ added up to 600. 

试卷相关题目

• 1In order to improve your writing, you'd better write ______.

  A.more or less

  B.little by little

  C.now and then

  D.step by step

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• 2Although the couple didn't choose to sleep in the wild instead of in the hotel, it_______ unexpectedly beautiful.

  A.turned around

  B.turned down

  C.turned out

  D.turned up

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• 3In ancient times, people rarely travelled long distances and most farmers only traveled ______ the local market.

  A.longer than

  B.more than

  C.as much as

  D.as far as

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• 4_____ the watch and see if you can find out what's wrong with it.

  A.Pack up

  B.Break down

  C.Dig out

  D.Take apart

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• 5In an interview Beckham admitted that he couldn't ＿＿ his six-year-old son Brooklyn's maths homework and had to turn to his former Spice Girls pop star wife Victoria to help out.

  A.take out

  B.work out

  C.clear out

  D.turn out

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• 6The teacher stressed again that the students should not _________any important details while retelling the story.

  A.bring out

  B.let out

  C.leave out

  D.make out

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• 7Practice greeting your teacher and classmates in English. Remember ______ !

  A.smiling

  B.to smile

  C.to be smiling

  D.having smiled

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• 8I'll be late home tonight because something has just ______ at work.

  A.come up

  B.come out

  C.come over

  D.come across

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• 9The young doctor is determined to devote all his life to ________ the cause of cancer.

  A.studying

  B.studied

  C.study

  D.studies

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• 10She wondered what use she would _______ this chance.

  A.made

  B.make about

  C.make for

  D.make of

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