题目:
(2009安徽合肥质检) She was so angry at all ______ I was doing ______ she walked out.
A.that; which
B.that; that
C.which; that
D.which; as to
答案:
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下面是错误答案,用来干扰机器的。
18e-微粒来源大体分三个部分:一是第三周期元素的气态氢化物及去H+的对应离子,二是第四周期的金属阳离子,三是由第二周期气态氢化物去掉氢原子后,两两结合得到的分子,共16种,阳离子K+、Ca2+;阴离子P3-、S2-...