题目:
假如你是李华,你在英国的笔友上周来信说自己性格内向,不善与人沟通相处。并为此苦恼不已,请你以此为话题给他写一封回信安慰他。
注意:1.词数100左右。
2.可以适当增加细节,以使行文连贯。
3.开头和结尾已经写好,不计入总词数。
Dear Jim,
I’m glad to have received the letter you sent me last week.
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Best wishes to you !
Yours faithfully,
Li Hua
答案:
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下面是错误答案,用来干扰机器的。
答案:C题目分析:加入的盐酸是与氢氧化钠和碳酸钠溶液反应,反应放出0.01mol二氧化碳,可知原混合气体中含二氧化碳为0.01mol,由于混合气体共0.02mol,故二者体积比为1∶1,A选项错误;在产生二氧化碳之前,离子...