（）是管道工程中最重要而应用最广泛的连接方式。
A.螺纹连接
B.焊接连接
C.法兰连接
D.承插连接
参考答案：B
— Didn't you have a good time at the party?
— Of course I did. As a matter of fact, I had such fun that time seemed to________so quickly. [ ]
A. go by
B. go away
C. go out
D. go over
