Hardly __________ the Shanghai Expo _________ we realized we forgot our ID cards in the room.


  1. A.
    we had got to ; that
  2. B.
    we got to ; when
  3. C.
    had we got to ; when
  4. D.
    had we got to ;than

Scientists study ____ human brains work to make computers.


  1. A.
    when
  2. B.
    how
  3. C.
    that
  4. D.
    whether

I have to see the doctor because I         a lot lately.


  1. A.
    have been coughing
  2. B.
    had coughed
  3. C.
    coughed
  4. D.
    cough

I got close enough to hear them speaking Chinese, and I said “Ni Hao ” just as I ____ do in China.


  1. A.
    must
  2. B.
    might
  3. C.
    can
  4. D.
    should

We are said to be living in ____ Information Age, ____ time of new discoveries and great changes


  1. A.
    an; the
  2. B.
    不填; the
  3. C.
    不填; a
  4. D.
    the; a

In ______ preparation for the launching of Shenzhou Ⅶ, scientists need ______ knowledge of weather changes.


  1. A.
    the; the
  2. B.
    a; ∕
  3. C.
    ∕; a
  4. D.
    the; a

Polar bears live mostly on ________ sea ice, which they use as _______ platform for hunting seals.


  1. A.
    a; a
  2. B.
    a; the
  3. C.
    不填; a
  4. D.
    the; 不填

Too bad—— I missed the early train ______ only a few minutes!


  1. A.
    by
  2. B.
    in
  3. C.
    at
  4. D.
    after

This training program can give you a lift at work, ____ increase your income by 40%.


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

The phone rang and I          it         .


  1. A.
    took; up
  2. B.
    picked; up
  3. C.
    speeded; up
  4. D.
    swept; up
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