试题与答案

How many liters of pure alcohol must be ad

题型:单项选择题

题目:

How many liters of pure alcohol must be added to a 100-liter solution that is 20 percent alcohol in order to produce a solution that is 25 percent alcohol ?()

A.A

B.B

C.C

D.D

E.E

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B,C,D解析: 招聘活动的检验标准包括:①恰当的时间。即是否能够在适当的时间完成招聘工作,及时补充企业所需要的人员;②恰当的来源。是否能够通过适当的渠道,针对空缺岗位匹配程度较高的目标群体来...

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