To live a low-carbon life , we must try to save _____ energy and produce ____ carbon .


  1. A.
    more , less
  2. B.
    less , more
  3. C.
    more , fewer
  4. D.
    most , least
A
energy，carbon 為不可數(shù)名詞,more和less，后接不可數(shù)名詞，又根據(jù)意思，故選答案為A。
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【小題2】
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【小題2】
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