pH=6盐酸和NH4Cl溶液,其中水电离出的c(H+)值分别是xmol.L-1、ymol.L-1。两者关系是 A.相等 B.x>y C.x=10-2y D.x=102y 答案:C根据对话内容,从方框中选择恰当的单词完成句子并填写在答题卡对应的横线上。部分单位词在填入前需要进行词形转换,每个词单只能用一次,每空只能写一词。(5小题,每小题1分,共5分)You go minute far wayW: Excuse me, can you show me the 【小题1】 to the City Park?M: Yes. Just 【小题2】 along this street and turn right at the end, and you’ll find it on your left.W: Is it 【小题3】 from here?M: No, it isn’t. It will take you only ten 【小题4】 to get there on foot.W: Thank you for 【小题5】 help.