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【单选题】
影响钢材基本性能的因素是 。A.
化学成分和应力大小
B.
冶金缺陷和截面形式
C.
应力集中和加荷速度
D.
加工精度和硬化
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【简答题】阅读理解。 Do you know more and more Chinese artists have made regular donations to charity or put their efforts into charity work in China? Here let's know some of them. Faye Wong and her husband Li Yapen...
【单选题】Don’t telephone me at 8 a.m. tomorrow — I ________ a meeting.
A.
am having
B.
will be having
C.
am about to have
D.
have had
【单选题】----I’m going downtown. ----Come on, _______.
A.
I’ll give you a lift
B.
You are welcome
C.
Don’t do that
D.
Come with me
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