A．International experts.
B．International organizations.
C．American police.
D．American experts.

电气照明工程安装时，配管形式包括（）。A.埋地敷设B.水下敷设C.线槽敷设D.砌筑沟内敷设

多项选择题电气照明工程安装时，配管形式包括（）。

听力原文：M: Hi, Kathy. Have you done your New Year shopping...

单项选择题听力原文：M: Hi, Kathy. Have you done your New Year shopping in this season of promotion?
W: Almost. I've got a pair of shoes for Dad and a red scarf for Mum, but it's not easy to find something interesting for my husband. 1 gave him a Kenny G album last year. This tithe he would probably like a stamp album, I guess.
Q: What will the woman probably buy for her husband?
(15)
A．A pair of shoes.
B．A red scarf.
C．A stamp album.
D．A Kenny G's album

后张法预应力筋的张拉机具有（）。A.拉杆式千斤顶B.卷扬机C.穿心式千斤顶D.电动螺杆张拉机E.锥锚式双作用千...

多项选择题后张法预应力筋的张拉机具有（）。