题目内容

If ______ heavy pressure, cast iron will crack.

A. subjected to
B. having subjected to
C. subject to
D. to subject to

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He was quite ________ and was promoted almost at once.

A. brilliant
B. tremendous
C. appropriate
D. prompt

______ slang I did not hear much of it, though a young lady who had changed her clothes after an afternoon dance did say that "after the heel kick she shifted her day goods".

As against
B. As good
C. As for
D. As is

曲面裁剪有几种方式?其中的面裁剪要注意什么问题?

什么是曲面延伸?要注意什么?

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