2021-2022英语周报高二课标45答案

1.CN={x1(x+1)(x-9)<0)、则N=x1-1

【语篇导读】本文是一篇说明文,介绍了北京胡同的现状及保护措施。8.B【解析】推理判断题。根据第二段 Beijing is currently believed to have fewer than 1, 000 Hutong, most ofwhich are near the forbidden City. Only 60 years agthe number was3,250.可知答案为B。9.A【解析】推理判断题。根据第三段 The visits putpressure on the protection of cultural relics可知答案为10.B【解析】细节理解题。根据倒数第二段anyactions to damage the heritage will be punished可知答案为B。1lA【解析】推理判断题。根据最后-段Nooeknows for sure how many Hutong will be left in thecoming100 years.可知答案为A。

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