题目内容

{铜电解精炼槽电压为0.25-0.35V。( )}

A. 对
B. 错

查看答案

搜索结果不匹配？点我反馈

更多问题

Employee should be to exercise after busy work,which is very important.

A. examined
B. evolved
C. evaluated
D. encouraged

Sometimes appropriate pressure from life and work can the huge potential hidden in you.

A. bring out
B. set out
C. put on
D. turn on

As far as I know,several companies are with each other for that profitable project.

A. competing
B. sponsoring
C. begging
D. praising

Mary often several hours learning new konwledge of painting and music after school.

A. costs
B. pays
C. spends
D. takes