2022英语周报八下46AHW答案

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

13C`【解析】装置X为Zn与稀硫酸反应制备H2的装置,分液漏斗可调节稀硫酸的滴入速率从而控制装置①中产生气泡的快慢,A正确;装置①盛有浓硫酸,用来干燥H2,B正确;装置②为检验产物H2Q的装置,可盛装白笆的无水硫酸铜固体,装置③的主要目的是吸收I2O并防装置④中的H2O进入装置②中造成干扰,可以是无水CaCl或无水硫酸铜,但碱石灰会吸收CO2,不能是碱石灰,C错误;H2与空气混合加热易发生爆炸,故在加热装置Y前,应先让装置X反应“段时间,排除装置中的空气,D正确。故选C

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