2. 外语
  3. Air, water and food is ______ to good health.

Air, water and food is ______ to good health.

admin2011-02-05  62
问题 Air, water and food is ______ to good health.
选项 A、vital
B、convenient
C、important
D、sufficient
答案A
解析 固定搭配题。be vital to，对……极端重要，后接名词，而常用be important for sb. to do sth.故选A。
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大学英语六级

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