金属除锈方法可分为物理方法和（）方法。A、酸洗 B、打磨 C、_爱下问搜题

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问题单项选择题

金属除锈方法可分为物理方法和（）方法。

A、酸洗

B、打磨

C、化学

D、喷砂

答案

参考答案：C

选择题

如果□+○=△，那么正确的是[ ]

A．□﹣△=○

B．○﹣△=□

C．△﹣○=□

选择题

I have advised him not to do like that, but he still insists on doing it that way. I think he has his own opinion .

A．in all

B．above all

C．after all

D．first of all