_____ regular exercise is very important, it's never a good idea to exercise too close to bedtime.

试卷相关题目

• 1Don't promise anything _____ you are one hundred percent sure.

  A.whether

  B.after

  C.how

  D.unless

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• 2Why not stay at home _____ the road is so slippery after the heavy snow?

  A.since that

  B.after that

  C.then that

  D.now that

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• 3My parents were quarrelling about me ____ I could not quite tell why.

  A.since

  B.though

  C.if

  D.until

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• 4You are supposed to read your article carefully and get it polished _____ you submit it.

  A.until

  B.when

  C.before

  D.after

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• 5At the United Nations Climate Change Conference, the UN Secretary General pointed out that, ______, the climate situation would get worse and worse.

  A.if not dealing with properly

  B.unless dealing with properly

  C.if properly dealt with

  D.unless properly dealt with

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• 6Simon thought his computer was broken _____ his little brother pointed out that he had forgotten to turn it on.

  A.until

  B.unless

  C.after

  D.because

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• 7_____ you ask many different questions _____ be able to acquire all the information you need to know.

  A.Unless; will you

  B.Unless; you will

  C.Only if; will you

  D.Only if; you will

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• 8— Did you remember to return the money you owed to Mary? — Yes, I gave it to her _____ I saw her.

  A.while

  B.once

  C.suddenly

  D.the moment

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• 9一 Some Chinese students find it difficult to understand native speakers when in London.— Exactly, _____ they've learned a lot about grammar and known many words.

  A.if only

  B.now that

  C.as if

  D.even if

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• 10— Don't hesitate to buy the dress if you like the design and pattern. — No, I won't, _____ the price is reasonable.

  A.as soon as

  B.as well as

  C.as far as

  D.as long as

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