2022英语周报高考课标5答案

第二节One possible version:Dear RussellI,m glad to inform you that our school will hold anEnglish humorous story speech contest in the center hallthis Sunday in order to develop our sense of humor andpractice our spoken English. I' d like to invite you to takert in ItEvery participant is requested to prepare a humorousstory in English by themselves. So choose your story cau-tiously. The funnier your story is, the better it is. You areexpected to deliver your speech within five minutes. Youshould tell your story at a proper pace with a clear voiceLooking forward to your participation. I'm sure youwill be one of the winnersYoursLi Hu

:8.C【解析】溶液浓度:③>④,相同体积的③④溶液分别与足量NaOH完全反应,消耗NaOH的物质的量:③>④,A项正确;加水稀释促进弱电解质电离,加水稀释10倍后,溶液的pH:①>②>④>③,B项正确;①④等体积混合,氨水过量,溶液呈碱性,②③等体积混合,醋酸过量,溶液呈酸性,C项错误Vb×10-4-V。×10-4Vb V10-5,解得VVb=9:11,D项正确。

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