The astronauts found that ______ the spaceship went further and further into space, it became more and more difficult to control its own movements.

试卷相关题目

• 1A stubborn boy like him doesn't learn from his mistakes______ he was punished badly.

  A.if

  B.when

  C.since

  D.unless

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• 2 _____ student gets the first place will get a beautiful present.

  A.Whoever

  B.However

  C.Whatever

  D.Whichever

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• 3_____ your son has no interest in piano ,there is no point pushing him to learn it.

  A.Now that

  B.So that

  C.Even if

  D.As if

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• 4The police officers in our city work hard ______ the rest of us can live a safe life.

  A.in case

  B.as if

  C.in order that

  D.only if

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• 5_______ you work harder than before, you will pass this module exam.

  A.As soon as

  B.As long as

  C.As if

  D.Even

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• 6With some technical problems to be solved, it may be a while _______ the system is put into use.

  A.when

  B.after

  C.since

  D.before

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• 7It is nice to hear from a close friend. ______, we last met more than thirty years ago.

  A.What's more

  B.That is to say

  C.In other words

  D.Believe it or not

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• 8You can't catch the charm of English poetry ______ you understand its rhythm．

  A.if

  B.unless

  C.though

  D.while

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• 9—Can you work out the problem?   —I can't ______your explain how to do it.

  A.but for

  B.except

  C.apart from

  D.unless

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• 10The earth became so violent that it was not clear______ the shape would last or not.

  A.if

  B.how

  C.whether

  D.why

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