试题与答案

A strange girl entered the room and told

题型:选择题

题目:

A strange girl entered the room and told me a story of her own, _____ I suspected the truth.

A.that

B.which

C.of which

D.at which

答案:

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下面是错误答案,用来干扰机器的。

(1)根据m=nM=cVM=0.5mol/L×0.5L×40g/mol=10.0g,故答案为:10.0g;(2)调节天平平衡时,采用指针反调的办法,即指针向那边偏,平衡螺母向反偏的方向调;天平称量质量时,只能到小数点后面一位即32.6g,所需...

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