Water can absorb and give off a lot of heat without big changes in temperature, thus creating a  _____ environment.  

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• 1If you're ______ about anything, phone my office.

  A.confused　　　　　　　

  B.confusing　　　　　　　

  C.wonder　　　　　　　

  D.wondering

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• 2As it was his first time to visit the science museum, the boy seemed _______ about everything there.     

  A.anxious

  B.curious

  C.particular

  D.frightened

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• 3People can accept the fact that prices tend to rise year by year but at a(an) _______ rate.

  A.modest

  B.sharp

  C.regular

  D.amazing

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• 4The office is _______ that one, so we can have our meeting there.   

  A.six times bigger as

  B.six times as big as

  C.six times big as

  D.six times as bigger as

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• 5The poor village is a little far from here indeed. It is ______ walk.

  A.a four hour

  B.a four hour's

  C.a four-hours

  D.a four hours'

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• 6I ________ that you should be invited, but to my _______, they did without you.

  A.planned; great surprise

  B.intended; greatly surprise

  C.planned; great surprise

  D.intended; great surprise

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• 7Nowadays we are often filled with some apparently _______ suggestions made by so-called experts on how to keep in good health.

  A.appropriate

  B.aggressive

  C.concrete

  D.contradictory

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• 8Owing to ______ competition among the airlines, travel expenses have been reduced considerably.

  A.fierce

  B.strained

  C.eager

  D.critical

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• 9— Turn on the _____ fan; it's too hot.— Ok , I will.

  A.electric

  B.electricity

  C.electrician

  D.electrical

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• 10She felt _____ of having asked such a silly question when the audience couldn't help laughing.

  A.guilty

  B.crazy

  C.miserable

  D.ashamed

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