英语周报2021-2022高一外研32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

19.答案:(每空2分)(1)H、C1、O(2)Fe2+再失去一个电子,3d能级达到半充满稳定结构(3d5),而Mn2+的3d能级已达到半充满稳定结构3(3个[个个个(4)6(5)8√2、1682axN(或2x/21Ndx解析:(1)氯的氧化物中氯显正化合价,氯化氢中氯显负化合价故电负性由小到大的顺序为H

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