2021-2022英语周报高二第20答案

错误;lmol该化合物最多能与3molH2发生加成反应,D项正确。8.D(该化合物的分子式为CuH12,A项错误;该化合物中有6种不同环境的氢原子,一氯代物有6种,B项错误;该化合物中含有碳碳双键,一定条件下能发生加聚反应生成高分子化合物,C项

书面表达One possible versionDear PeterI'm writing to invite you to see the Chinese Painting Exhibition to be held in our city.The exhibition will start at 8: 30 am on Saturday and last till 5: 00 pm on Sunday in the city museum It'ssaid that a large number of Chinese paintings, some of which are original works by famous painters like ZhangDaqian and Qi Baishi, will be on display. Besides, there will be various souvenirs to be sold. I know you re veryinterested in traditional Chinese culture, so I can t wait to tell you the news and hope we can go together.Looking forward to your reply.You

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