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科目: 來(lái)源: 題型:單選題

Only in recent years ______ to realize the importance of wildlife conservation.


  1. A.
    do people begin
  2. B.
    have people begun
  3. C.
    people have begun
  4. D.
    people begin

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科目: 來(lái)源: 題型:單選題

We walked as fast as we could _____ to catch the train.


  1. A.
    hoping
  2. B.
    to hope
  3. C.
    we hoped
  4. D.
    being hoped

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科目: 來(lái)源: 題型:單選題

It would be unfair to clone any extinct animals       they were to live in a zoo.


  1. A.
    or
  2. B.
    if
  3. C.
    but
  4. D.
    whether

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科目: 來(lái)源: 題型:單選題

All the people on the list must be told to attend the meeting; you must make sure that no one is _______.


  1. A.
    left out
  2. B.
    set aside
  3. C.
    cut off
  4. D.
    kept away

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科目: 來(lái)源: 題型:單選題

Tigers _______ meet-eating animals ________ meats.


  1. A.
    belonged to; feed on
  2. B.
    belonging to; feed on
  3. C.
    were belonged to; feed on
  4. D.
    belonging to; feeding on

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科目: 來(lái)源: 題型:單選題

Scientists still wonder whether cloning will help or harm us and where it ____ us.


  1. A.
    has led
  2. B.
    is leading
  3. C.
    had led
  4. D.
    would lead

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科目: 來(lái)源: 題型:單選題

It was dark,and the rainy weather ______ the suffering of the lost travelers in the mountain.


  1. A.
    added to
  2. B.
    led to
  3. C.
    belonged to
  4. D.
    related to

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科目: 來(lái)源: 題型:單選題

"I must be off now "she said,and ______ that she hung up the phone.


  1. A.
    at
  2. B.
    after
  3. C.
    with
  4. D.
    upon

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科目: 來(lái)源: 題型:單選題

____ will do you good to do some exercise every morning.


  1. A.
    It
  2. B.
    There
  3. C.
    Those
  4. D.
    You

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科目: 來(lái)源: 題型:單選題

You should have put the milk into the icebox, I expect it ______ undrinkable.


  1. A.
    became
  2. B.
    had become
  3. C.
    has become
  4. D.
    becomes

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