题目

连词成句。1. to, year, we, last, went, Canada ( . )____________________________2. library, no, in, was, there, my, old, school ( . )____________________________3. was, how, holiday, summer, your, last ( ? )____________________________4. traffic, must, I, to, attention, pay, the, lights ( . )____________________________5. mine, are, longer, than, your, arms ( . )____________________________ 答案：【答案】1.We went to Canada last year. 2.There was no library in my old school. 3.How was your last summer holiday? 4.I must pay attention to the traffic lights. 5.Your arms are longer than mine. 【解析】略25℃时，将稀CH3COOH逐滴加入到稀NaOH溶液中，当溶液的pH=7时，下列关系不正确的是A.c(CH3COO-)+ c(CH3COO-)＝c(Na+)B.c(OH-) = c(H+)C.c(CH3COO-) +c(H+)= c(Na+) +c(OH-)D.c(Na +)＝c(CH3COO-)