2022年高考英语二轮复习：七选五 专项突破练习题汇编2（含答案解析）.docx

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2022年高考英语二轮复习：七选五 专项突破练习题汇编2

A

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

Suppose you are hiking with friends in the mountains on a hot summer day and you come to a clean stream.The water in the stream looks so inviting, and you suddenly realize that you’re thirsty.__1__ The answer is as clear as the stream water：don’t drink it! Most mountain freshwater contains tiny living things that you can’t see and isn’t safe to drink, even if it looks pure.

You’ll be safe if you take your own water with you on outdoor adventures.If you can’t carry all the purified water you’ll need, you have some alternatives.__2__ That’s because boiling kills the harmful tiny living things, but it may not remove dangerous chemicals from the water.

__3__ These chemicals make the water safe to drink, but they often giv

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