2022周报英语tjj高一答案

第二节One passible versionNeAimed at promoting our interest in reading and impro-ving our writing skills, an English reading and writing con-test is to be held in our school next monthThe contest consists of two parts, task-based writingand theme writing, both of which are good ways to show ourEnglish ability. All the students in our school are welcometo take part in the contest. Three winners will be chosen fora 15-day summer camp in London. If you re interestedplease come to the Students Union and sign up beforeSeptemberThere is no doubt that participants will benefit a lotfrom the contest. Don'I miss the valuable chance lThe Student's Union第三节One passible version

10.C【解析】该溶液中可能含有CO-、HCO3、SO、HSO中的一种或多种,不一定含有CO,A项错误;向澄滑石灰水中通入过量CO2,生成Ca(HCO3)2,得不到白色沉淀,B项错误该现象说明溶液中含有Fe+,C项正确;该沉淀也可能为AgC,D项错误。

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