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(2007合肥二次质检模拟)We ________ keep a cool head on over--heating development, for it ____ have negative influence upon national economy.


  1. A.
    should; must
  2. B.
    must; would
  3. C.
    might; could
  4. D.
    must; may
D
句意:我们必须要对过热的发展保持冷静的头脑,因为它会给国家经济带来负面影响。依据句意可知,第一空是“必然,必定,必须”的意思,属于must的基本用法,而第二空表达的负面影响只是表示一种可能性,是“或许,也许”推测之意。故D正确。
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