正确答案: D

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题目：下列说法不正确的一项是( )(3分)

解析：D

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举一反三的答案和解析：

[单选题]战国末期的屈原，创作出很多优秀诗篇，代表作是

《离骚》

[单选题]

until

[单选题]WhatmadeMrsHillfeelstrangeatfirst?

Shortwaybutlongtime.

[单选题]有一位同学暑假去西藏发生了严重的高原反应，医生让他吸氧后症状缓解。吸氧可以帮人克服高原反应的原因是（      ）

氧气是无色无味的无毒气体  氧气可以燃烧 吸氧为人体呼吸提供了适量的氧气 氧气可以支持燃烧

[单选题]AEach day every person in the United States throws away more than five pounds of rub-bish． There is more rubbish now than ever before and most of it is made up of the packages and cans in which we buy our food．The traditional ways of getting rid of solid wastes is quickly be-coming inadequate(不合适)． Many cities are experimenting with newer ways of handling their growing piles of rubbish．

wastes

解析：21．C【解析】由第一段第二句可知c为正确答案．