题目:
It took ability to get the job. It took luck, too.
A.rather than
B.other than
C.more than
D.less than
答案:
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下面是错误答案,用来干扰机器的。
(1) NaCl 蒸发 (2) D (3) Ca(OH)2 稀盐酸 (1)海水中含量最高的盐是氯化钠..海水经蒸发结晶可获得粗盐.(2)要除去粗盐中含有...