题目内容

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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We heat it up beyond the critical temperature, and then quench it in water or some other liquid.句中，heat up 和quench是并列（）。

A. 同位语
B. 宾语
C. 状语
D. 谓语

The properties of tempered steel enable us to use it in the manufacture of tools, which need a fairly hard steel.句中，which引导的非限制性定语从句是用来补充说明（）。

A. tempered steel
B. The properties of tempered steel
C. tools
D. The properties of tempered steel enable us to use it in the manufacture of tools

The properties of tempered steel enable us （）it in the manufacture of tools, which need a fairly hard steel.

A. using
B. to use
C. use
D. used

Other shaping operations include drawing into wire, casting in moulds, and forging.这个句子中，有（）个并列的宾语。

A. 1
B. 2
C. 3
D. 4