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科目： 來(lái)源： 題型：單選題

You’d better keep ______ when I take photos for you.


  1. A.
    silent
  2. B.
    calm
  3. C.
    still
  4. D.
    mild

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科目： 來(lái)源： 題型：單選題

Ancient Greeks were responsible for many of the _______ in science and other fields.


  1. A.
    advances
  2. B.
    progress
  3. C.
    development
  4. D.
    civilization

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科目： 來(lái)源： 題型：單選題

When astronauts return to the earth's atmosphere, helicopters fly to________they would land, ready to collect them.


  1. A.
    what
  2. B.
    where
  3. C.
    which
  4. D.
    that

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科目： 來(lái)源： 題型：單選題

These newly-produced cars are sold at so low a price_____people expected.


  1. A.
    like
  2. B.
    as
  3. C.
    that
  4. D.
    which

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科目： 來(lái)源： 題型：單選題

Students are often warned that anyone who leaves the classroom at night must remember to _____ all the lights, or he will be fined


  1. A.
    switch off
  2. B.
    go off
  3. C.
    take off
  4. D.
    bring off

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科目： 來(lái)源： 題型：單選題

______ began our new lesson.


  1. A.
    But
  2. B.
    Such
  3. C.
    Thus
  4. D.
    So that

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科目： 來(lái)源： 題型：單選題

His way of speaking suggested that he ____ very angry.


  1. A.
    should be
  2. B.
    be
  3. C.
    is
  4. D.
    was

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科目： 來(lái)源： 題型：單選題

Pine trees, of which there are almost one hundred ______, are found throughout the North Temperate Zone.


  1. A.
    species
  2. B.
    samples
  3. C.
    specimens
  4. D.
    Standards

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科目： 來(lái)源： 題型：單選題

Please write me ____ you arrive in New York.


  1. A.
    as well as
  2. B.
    so long as
  3. C.
    as far as
  4. D.
    as soon as

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科目： 來(lái)源： 題型：單選題

Neither Tom nor his parents ______ at home.


  1. A.
    is
  2. B.
    are
  3. C.
    has
  4. D.
    was

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