二级公路的面层可采用（）。

钢筋的加工一般包括（）。A.冷拉B.调直C.绑扎D.焊接E.安装

多项选择题钢筋的加工一般包括（）。

听力原文：W: What do you think of the apple pie? I made it m...

单项选择题听力原文：W: What do you think of the apple pie? I made it myself.
M: My mother cannot match you.
What does the man mean?
A．His mother can't make apple pies.
B．His mother likes the pie very much.
C．This pie can't match his mother's.
D．This apple pie tastes very good.

对于高强混凝土的叙述，错误的是（）。A.高强混凝土的耐久性优于普通混凝土B.采用高强混凝土的预应力混凝土构件的...

多项选择题对于高强混凝土的叙述，错误的是（）。