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These stresses are liable () occur through hammering or working the metal, or through rapid cooling.

A. to
B. with
C. for
D. on

These stresses are liable to occur through hammering or working the metal, or through rapid cooling.句中,through hammering or working the metal, or through rapid cooling.是( )。

A. 谓语
B. 宾语
C. 方式状语
D. 定语

We heat it ( ) beyond the critical temperature, and then quench it in water or some other liquid.

A. in
B. up
C. on
D. -

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