If you intend to melt the snow for drinking water, you can________extra purity b

游客2023-12-25  17

问题 If you intend to melt the snow for drinking water, you can________extra purity by running it through a coffee filter.

选项 A、assure
B、insure
C、reassure
D、ensure

答案 D

解析 如果您打算将雪融化为饮用水,您可以用咖啡过滤器过滤融水。以确保额外纯度。A项assure“使确信,使放心,向……保证”,常用于assure sb. of sth. 或assure sb. that…结构。B项insure “给……上保险;确保”。表示“给……保险”时,代入空格,句意不通;insure表示“确保”时,是ensure的美式拼法,但选项中有ensure时,优先选ensure。C项reassure“使……放心”后也接“人”作宾语,如Teachers reassured anxious parents. “老师让焦急的家长放心。”D项ensure “n. 确保”,后面可以带名词作宾语,代入句意通顺,符合要求,故选D项。
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