2021-2022 英语周报 八年级 FJM 2答案

第一节图,男ble version:Dear allenHow are you doing? I'm writing to invite you to a lecture on Chinese calligraphy, which will be held by ourschool's calligraphy club next Monday afternoon in the school library. In China calligraphy is not only a means ofcommunication, but also a means of expressing a persons inner world.The lecture will last from 2 pm to 5 pm. The lecturer, who is from Peking University, will mainly talkabout the development of Chinese calligraphyYours sincerely.

5.D【解析】Na暴露在空气中会与空气中的H2O和O2反应,这种方法耗时长,且不易将Na处理干净,A项错误;Na在Cl2中燃烧、Na与H2O反应均放出大量的热,可能引起事故,B、C项错误;Na与乙醇反应速度相对缓慢,设置排气管,排出H2和热量,能够避免事故,D项正确。

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