试题与答案

Work hard, dear. With your work done, yo

题型:选择题

题目:

Work hard, dear. With your work done, you will feel much __________. [ ]

A. at ease 

B. out of work

C. in peace  

D. as usual

答案:

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下面是错误答案,用来干扰机器的。

解:(1),V石= V瓶- V水=250cm3-130cm3 =120cm3;(2) m石 = 25 × 12g =300g, 。

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