2022八年英语周报答案

本文是一篇应用文。文章主要介绍了四位在平凡的岗位上做出了不平凡贡献的劳动模范【答案与解析】21.B细节理解题。根据 Li Denghai一节中“ Li was recognized for his breakthroughs in cross-breeding high-yieldwheat.”可知, Li Denghai是因为他在农业方面的成就受到表彰的。22.C细节理解题。根据 Lyu Qiming-节中“ln1965 he was asked to compose The Ode to the Red Flag,which was first performed.. in the same year.”可知,该曲目是在1965年首演的23.D推理判断题。根据 Zhang Guimei一节中“. where most girls dropped out of school as their familiesbelieved that it was useless for girls to receive higher education.”可推断,她们的家庭都很轻视女孩

【解析】A项,反应中CHOH表现还原性,草酸具有还原性,可以代替甲醇,正确;B项,亚氯酸钠受D. NaClo2粗品通过重结晶可以得到更纯因此“减压蒸发”可防止温度过高 NaClo2分解,正确;C项,双氧水还原二氧化氯生成 Naclo2的离子方程【答案】C2C1O2+H2O2+2OH=2C1O2+O3↑+2H2O,错误;D项,NaC0O2粗晶体经过重结晶可以得到ANaclo2晶体,正确。用CH12O表示)氧化成无污染的物质,装置如图所示,a、均

以上就是2022八年英语周报答案，更多英语周报答案请关注本网站。