对屈服现象不明显的钢，规定以（）残余变形时的应力σ0．2作为屈服强度。
A．0．1%
B．0．2%
C．1%
D．2%
参考答案：B
— Would you like some tea?
— _____. [ ]
A. No, thanks.
B. Yes, I'd like some water.
C. No, please don't.
D. It's delicious.
情节点
