Some people are worrying about the possibility _______ mobile phones could be responsible for a range of illnesses, from rashes (皮疹) to brain tumors.

试卷相关题目

• 1_________ there are certainly times when giving up trying is the right thing to do, in most cases all needed is commitment and communication.

  A.Unless

  B.Before

  C.Although

  D.Since

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• 2It is by no means clear ________ the president can do something to end the strike.

  A.whether

  B.which

  C.that

  D.what

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• 3It is announced that big prizes will go to ________ finishes the assignment on time.

  A.whom

  B.who

  C.whomever

  D.whoever

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• 4It does not matter that you are a slow walker _____ you never walk backwards.

  A.as long as

  B.as soon as

  C.unless

  D.until

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• 5 _______ the players didn't have a good rest shouldn't be all excuse for losing the game．

  A.That

  B.What

  C.Why

  D.Whether

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• 6 We had just covered half the journey________the engine failed and we could do nothing but wait for help.

  A.before

  B.since

  C.when　

  D.until

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• 7________you never plan to visit the polar bears in the North Pole or the penguins in the South Pole，now it is the proper time to start thinking about that.

  A.Until

  B.Unless

  C.As long as

  D.Even if

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• 8____ I'm mistaken, I've seen that tall man at a party before.

  A.If

  B.As

  C.Unless

  D.When

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• 9Suddenly the idea came to me _______ I might turn to my teacher for help.

  A.what

  B.that

  C.which

  D.whom

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• 10The relatives of the passengers in the missing Flight MH370 can't hide their feelings, _____ they can make sure that the plane will make a safe landing on the airport.

  A.except when

  B.except

  C.except that

  D.except where

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