强度级别较高的低合金高强度结构钢焊后，立即消氢处理是防止焊接冷裂纹的有效措施之一。( )
参考答案：对
— Jannie, you should finish your assignment before Friday, understand?
— _____. I will finish it on time.
A．Got it
B．What
C．I can’t do that
D．I can’t promise
—You haven’t been to the USA, have you?
— But how I wish to go there again!
A．Yes, I have.
B．No, I have.
C．No, I haven’t.
D．Yes, I haven’t.
