We must take measures to protect endangered wildlife _______ it is too late.

试卷相关题目

• 1_By success I don't mean_______usually thought of when that word is used.

  A.what is

  B.what has

  C.that is

  D.that has

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• 2Questions and exercises  are given by the computer, which decides ______ to move the students ahead, review an easier level, ____ give more work on the same level.

  A.either, or

  B.both, and .

  C.whether, or

  D.not only, but also

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• 3What the boy enjoys _____ to have a room of his own.

  A.being

  B.to be

  C.is

  D.are

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• 4“Shall we stop for lunch _____ shall we drive on?”“Let's stop for lunch, but the driver can't drink _____ drive.”

  A.and, and

  B.or, or

  C.and, or

  D.or, and

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• 5_______ Finding a job in such a big company has always been_______ his widest dreams.

  A.under

  B.over

  C.above

  D.beyond

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• 6—Why do you drink so much coffee? —Well, _______ it doesn't keep me awake in the night, I see no harm in it.

  A.because

  B.as soon as

  C.so long as

  D.while

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• 7What a great weight I felt taken off my mind ________ I heard I had passed the College Entrance Examination!

  A.while

  B.the moment

  C.until

  D.before

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• 8I wrote to my parents once a week,____ I was too busy with my teaching work.

  A.it

  B.unless

  C.when

  D.as

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• 9She worked hard ________ everything would be ready by the time he came back.

  A.since

  B.so that

  C.as if

  D.unless

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• 10I was so familiar with her that I recognized her voice ______ I picked up the phone.

  A.the moment

  B.after

  C.before

  D.while

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