摘要： 多项式2x3y?3x2y2?7是 式.常数项是 .

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My hobby is collecting stamps. I need ______ before I have 3,000 stamps.


  1. A.
    more one
  2. B.
    any more
  3. C.
    one more
  4. D.
    more than
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I need ________ chicken. We don't have any.


  1. A.
    3 kilo
  2. B.
    3 kilos
  3. C.
    3 kilos of
  4. D.
    3 kilo of
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Lulu is 2 years old．Eddie is 3 years old．We can say Lulu is ________ than Eddie．


  1. A.
    old
  2. B.
    older
  3. C.
    younger
  4. D.
    young
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Class 3 won the football match! ________ it be true?


  1. A.
    May
  2. B.
    Must
  3. C.
    Will
  4. D.
    Can
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Mary got a 3 in her exam. She doesn't know ________ she did so badly.


  1. A.
    who
  2. B.
    what
  3. C.
    why
  4. D.
    how
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