多项选择题 电气照明工程安装时，配管形式包括（）。

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

多项选择题 后张法预应力筋的张拉机具有（）。