. It is an established fact that factory workers work better, harder, and have _____ accidents when their machines are painted orange rather than black or gray.

试卷相关题目

• 1. Earthquakes _____ be dangerous, if you are in the wrong place.

  A.need

  B.shall

  C.can

  D.would

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• 2His disappearance(失踪)______ by the police.

  A.looked at

  B.will be looked in

  C.is being looked into

  D.has been looked up

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• 3_______in the mountains for a week, the two students were finally saved by the local police.

  A.Having lost

  B.Lost

  C.Being lost

  D.Losing

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• 4---Look! How terrible his situation is! Could you help him? --I'd like to help, but ____ I can't.

  A.fortunately

  B.luckily

  C.unfortunately

  D.gradually

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• 5His proposal is so idealistic that there are many______difficulties in putting it into practice.

  A.familiar

  B.relative

  C.practical

  D.terrible

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• 6. It was ______ the 19th century_____ heat was considered to be a form of energy.

  A.not until; that

  B.until; that

  C.not until; when

  D.until; when

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• 7. ---May I go with my friends to the harvest festival ?  --- _______

  A.Yes, you may not.

  B.No, you may.

  C.No, you mustn't.

  D.Yes. you must.

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• 8. Walking alone in the deserted village, John was scared. He thought he ______Tom to go with him.

  A.might have asked

  B.should ask

  C.must have asked

  D.should have asked

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• 9My father knows clearly that smoking is bad for his health, but he just cannot____________ it.

  A.have fun with

  B.get rid of

  C.look forward to

  D.get away with

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• 10I'm looking for a _______ tie to match my suit.

  A.mid-sized red silk

  B.red mid-sized silk

  C.red silk mid-sized

  D.silk red mid-sized

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