Most disaster experts believe there is the potential ______ things could get a lot worse.

试卷相关题目

• 1How can they learn anything ______ they spend all their spare time watching television?

  A.when

  B.though

  C.while

  D.before

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• 2A total of 548 students fell ill ______ consuming milk and biscuits in schools in Northwest China's Qinghai province on Wednesday, local authorities said.

  A.before

  B.when

  C.after

  D.while

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• 3I was just about to go to bed last night ______ the telephone rang.

  A.while

  B.when

  C.as

  D.before

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• 4A small car is big for family of three_______ you need more space for luggage.

  A.once

  B.because

  C.if

  D.unless

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• 5______ she couldn't understand was ________ fewer and fewer students showed interest in her lessons.

  A.What ; why

  B.That ; what

  C.What ; because

  D.Why; that

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• 6--- Did your father come back early last night? --- Yes. It was not yet eight o'clock _______ he arrived home.

  A.before

  B.when

  C.that

  D.until

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• 7—May I go out tonight? —Of course you can, _____ you promise to be back before 10 o'clock.

  A.as soon as

  B.as well

  C.as long as

  D.as usual

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• 8When the elevator doors open, stand aside and let everyone out ________ you try to get in.

  A.unless

  B.although

  C.until

  D.before

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• 9I don't understand how he can say that everything is fine ________ it's so obvious that it's not.

  A.unless

  B.when

  C.so that

  D.in case

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• 10The fact has worried many scientists ________the earth is becoming warmer and warmer these years.

  A.what

  B.which

  C.that

  D.whose

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