Even if there is no scientific proof ______ secondhand smoke causes cancer, there is no reason why nonsmokers should be forced to take this risk.

试卷相关题目

• 1--- Who should be responsible for the accident? --- The boss, not the workers. They just carried out the order _______.

  A.as told

  B.as are told

  C.as telling

  D.as they told

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• 2— Do you have the time? I've got something to tell you. — Ok, ______ you make your story short.

  A.now that

  B.even if

  C.so long as

  D.in case

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• 3I won't forgive them for what they said, ______ they apologize.

  A.so that

  B.even if

  C.as soon as

  D.in order that

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• 4If you are traveling ______ the customs are really foreign to your own, please do as the Romans do.

  A.in which

  B.what

  C.when

  D.where

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• 5The question______new measures should be taken to control the terrible air pollution is______puzzles scientists a lot.

  A.that; what

  B.which; that

  C.what; what

  D.which; that

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• 6 ______ his father has been away for more than one year, John can still keep doing what he needs to.

  A.While

  B.When

  C.As

  D.Whether

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• 7He is not easy-going, but his trust in his friends will last forever once _______.

  A.to be gained

  B.is gained

  C.being gained

  D.it is gained

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• 8There is no doubt _______ international cooperation is the key to _______ with cyber crime.

  A.whether; doing

  B.that; dealing

  C.whether; do

  D.that; deal

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• 9________ at the photos, illustrations, title and headings and you can guess what the reading is about.

  A.To look

  B.Looking

  C.Having looked

  D.Look

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• 10I'll go to the party with you ________ you don't wear those strange trousers.

  A.as though

  B.in order that

  C.in that

  D.providing

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