2022英语周报 高一第四期答案

第一节One possible version:Dear DanielIm writing to tell you my plan for the summer holiday. Iintend to join a T'ai Chi Training Camp and I wonder if you'd liketo go with meThe camp is scheduled to begin on July 18th. It will proteenagers like you and me with a good opportunity to enjoy t'aichi and learn about excellent Chinese culture as well. If you havea passion for it, please let me know and I'll offer you detailedinformation about itI sincerely hope to meet you at the training camp this summerYours.

10C解析:A加热某固体盐又,产生的气体可能是二氧化硫、氨气或二氧化碳等等,将气体通入硝酸酸化的BaCl2溶液中,产生沉淀说明一定不是二氧化碳,所以推测X不可能是碳酸的酸式盐,A错误;B,将碘酒滴到一片土豆片上,土豆表面出现蓝色,说明土豆片中含有淀粉;B错误;C.氯水先氧化NaBr,生成Br2,加苯萃取分层,上层液体呈橙黄色,则由现象可知氧化性:C12>Br2,故C正确;D向等物质的量浓度的硝酸、亚硫酸溶液中均滴入石蕊,虽然硝酸溶液颜色更红,由于亚硫酸不是S的最高价含氧酸,不能判断二者非金属性强弱。所以D错误。答案为C。

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