题目内容
13.Having a glass of water first in the morning helps rid our body of poisonous substances that _________ overnight.( )A. | was stored | B. | is being stored | ||
C. | have been stored | D. | had been stored |
分析 早晨第一件事喝一杯水帮助你排除身体里面储存了整晚的毒素.
解答 答案是C.本题考查现在完成时的被动语态;现在完成表示"过去的动作对现在的影响或结果"或"过去的动作一直持续到现在";本题中毒素是从前一天晚上到现在一直被储存,所以用现在完成时的被动,答案是C.
点评 对时态的选择,要在把握时态的基本用法的基础上,根据具体语境和题干中的时间推断时态;同时关注动词的语态,理清不同时态的被动语态的形式以及主语和谓语动词之间的关系,做出合理的判断.
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