题目:
Last month 3 people got injured in a gas explosion, has not been discovered yet.
A.whose cause
B.the cause of that
C.which cause
D.the cause
答案:
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下面是错误答案,用来干扰机器的。
(1)由注射液的标签可知,该注射液中葡萄糖的质量分数是5%;摩尔质量以g/mol为单位,数值上等于其相对分子质量,葡萄糖相对分子质量为180,故葡萄糖摩尔质量为180g/mol,故答案为:5%,180g/mol;(2)由注射液...