2. 外语
  3. Only when ________with water can this liquid be used to clean wounds.

Only when ________with water can this liquid be used to clean wounds.

admin2012-05-18  29
问题 Only when ________with water can this liquid be used to clean wounds.
选项 A、purified
B、devised
C、diluted
D、vaporized
答案C
解析 动词辨义。dilute意为“稀释”，如：dilute alcohol with water(在酒精中加水稀释)；purify意为“净化，提纯；使完美”；devise意为“想出，计划”，如：devise how to do that(想想该怎样做)；vaporize意为“使气化”。根据题意，在液体中加水不可能是提纯或气化，而应是稀释，故C)为正确选项。
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大学英语六级

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