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科目: 來(lái)源: 題型:單選題

Evidence obtained from observation and experiment is often used to ______ a scientific theory.


  1. A.
    confirm
  2. B.
    confine
  3. C.
    conform
  4. D.
    conceive

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科目: 來(lái)源: 題型:單選題

It was necessary to _____ the factory building as the company was doing more and more business.


  1. A.
    extend
  2. B.
    increase
  3. C.
    lengthen
  4. D.
    magnify

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科目: 來(lái)源: 題型:單選題

Because of the strong sun Mrs. William's new dining room curtains _______ from dark blue to gray within a year.


  1. A.
    faded
  2. B.
    fainted
  3. C.
    paled
  4. D.
    diminished

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科目: 來(lái)源: 題型:單選題

_______________ while writing, he locked himself in his study.


  1. A.
    Not to interrupt
  2. B.
    Not being interrupted
  3. C.
    Not to be interrupted
  4. D.
    Being not interrupted

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科目: 來(lái)源: 題型:單選題

In no country other than Britain, it has been said, ________ experience four seasons in the course of a single day.


  1. A.
    people can
  2. B.
    you can
  3. C.
    can it
  4. D.
    can one

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科目: 來(lái)源: 題型:單選題

The further falling of the stock market as reported today has _______ a fresh wave of selling.


  1. A.
    given off
  2. B.
    set off
  3. C.
    put off
  4. D.
    got off

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科目: 來(lái)源: 題型:單選題

With a long report ______, I have to work really hard this week.


  1. A.
    to write
  2. B.
    written
  3. C.
    writing
  4. D.
    to be written

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科目: 來(lái)源: 題型:單選題

Fans still ___ Michael Jordan though he doesn’t fight for the Chicago Bulls any more.


  1. A.
    look down on
  2. B.
    look up
  3. C.
    look up to
  4. D.
    look on to

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科目: 來(lái)源: 題型:單選題

 Little________what you said. I wish you had repeated it!


  1. A.
    did I understand
  2. B.
    I understood
  3. C.
    I did understand
  4. D.
    have I understood

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科目: 來(lái)源: 題型:單選題

The Time Traveler stops 30 million years into the future and experiences a future time _____ the sun no longer shines brightly.


  1. A.
    where
  2. B.
    when
  3. C.
    which
  4. D.
    and

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