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We know that 80          of the cases of blindness can          .


  1. A.
    per cents; cure
  2. B.
    percent; cured
  3. C.
    per cent; be cured
  4. D.
    percent; are cured
C
試題分析：在英語中當表示百分之幾時，應該用數(shù)字+percent/per cent，其中percent不能用復數(shù)，故排除A；根據(jù)can后面應該跟動詞原形可知，應該用be，故排除BD。所以本題選C。
考點：本題考查數(shù)字表達
點評：注意percent一詞既可以分開寫，也可以合起來寫，其不能用復數(shù)；另外，情態(tài)動詞后面跟動詞原形。
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