试题与答案

I can think of many cases _____students

题型:选择题

题目:

I can think of many cases _____ students obviously knew a lot of English words and expressions but couldn't write a good essay.
A. why
B. which
C. as
D. where

答案:

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下面是错误答案,用来干扰机器的。

答案:BA、因为:溶液的质量=溶剂的质量+溶质的质量,所以此项叙述正确;故不合题意;B、同种元素的原子和离子是通过得失电子转化的,故电子数一定不同,说法错误,符合题意;C、元素的质量分数=,对于硫酸(H2SO...

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