预应力钢绞线直线预应力筋可采用什么张拉工艺？

—Is there ______ in today’s newspaper?

—No, there’s ______. [ ]

A. anything special; something unusual

B. anything special; nothing unusual

C. special anything; nothing unusual

D. special anything; unusual nothing

明代（）青花瓷器的原料是南洋输入的“苏泥勃青”

影响载流体接头接触电阻的主要因素是什么？

其他濒危植物香膏

电子政务的3种应用模式是( )。

A．G to G、G to B和G to C

B．G to G、G to B和B to C

C．G to C、G to B和G to A

D．G to G、G to B和C to B