Although the causes of cancer ________， we do not yet have any practical way to prevent it

试卷相关题目

• 1The people had to _______ the new rulers when they lost the war.

  A.take to

  B.cater to

  C.submit to

  D.lead to

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• 2______ unemployment and crime are high, it can be assumed that the latter is due to the former.

  A.Before

  B.Where

  C.Unless

  D.Until

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• 3Many friends sent me e-mail to ________ me on the birth of my son

  A.celebrate

  B.reward

  C.express

  D.congratulate

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• 4The classroom is big enough _______ , but we'll have to move if we have more students

  A.for the moment

  B.on the moment

  C.in a moment

  D.for a moment

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• 5There is a(an) ______ that more graduates choose teaching as their permanent careers.

  A.direction

  B.attraction

  C.tendency

  D.attempt

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• 6It is time that the government__________measures to protect the rare birds and animals.

  A.takes

  B.took

  C.has taken

  D.taking

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• 7People have always been curious ______ how living things on the earth exactly began.

  A.in

  B.at

  C.of

  D.about

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• 8When we reached the stadium in a rush,  the newly-elected major ____ his speech and the performance _______.

  A.have finished ; began

  B.had just finished; was about to begin

  C.had just finished; had begun

  D.just finished; began

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• 9I'd rather______ rudely to her yesterday.

  A.you not speak

  B.your not speaking

  C.you didn't speak

  D.you hadn't spoken

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• 10It was so dark in the theatre that I could hardly ________ my friend

  A.turn out

  B.bring out

  C.call out

  D.pick out

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