A．静电复印
B．在高大的烟囱中安装静电除尘器
C．静电喷漆
D．在高大的建筑物顶端装上避雷针
答案：D
The man ______ was a friend of mine．
A．you just talked to
B．whom you just talked to him
C．who you just talked to him
D．which you just talked to
监理的依据是以下哪几项？①法规；②技术标准；③设计文件；④工程承包合同（）
A.①②③④
B.①
C.①②③
D.④
