实施准备阶段主要工作内容包括工程设计和( )。
A．设备供应B．施工安装C．生产准备D．实施准备
参考答案：D
Knowledge is to one’s mind ______ food is to one’s body.
A．that
B．where
C．what
D．which
London is a most beautiful city in Britain, _____ the River Thames.
A．located in
B．lied on
C．situated on
D．stood in
