九师联盟2022届新高考高三押题信息卷 湖北 地理(二)2答案

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【写作】第一节One possible versionDear mikOur classmates have decided to do voluntary labor in the nursing home near our school on the coming MayDay. We will be delighted if you could come and join us.We intend to depart from our school at 8 am and return at 2 pm by bike. We'll help do some cleaning andmake dumplings, We may also help some seniors to get bathed in the sunshine, or support some to take a walk.Were really expecting your arrival. Please reply soon.Yours.

10.I答案C【解析】5o2的确与BC2溶液不反应,但是通入Ba(NO3)2溶液后,由于SO2溶于水产生亚硫酸,溶液中冋时存在H和硝酸根,则该溶液等同」硝酸,硝酸可以氧化SO2和亚硫酸,因此会发生反应,故A锖。Na2O2加入溶液,相当于加入了NaOH(碱)和O2(强氧化剂),而FeC2和Fe(OH)2很容易被氧化,因此最终产生的沉淀会是迅速变成灰绿色,最后变成红褐色,B错。溶液变蓝说明Fel2与Cl2发生了反应,但因为还原性I强」Fe2,因此是T被Cl2氧化。加入Br2之后,由元素周期律可知,Br2虽然可以氧化I和Fe,但因为还原性I强于Fe2,依然是I被氧化C对。Fe常温下与浓盐酸反应放出H,但遇浓硫酸,常温下Fe、A会钝化,所以D错。