已履行招标程序发送中标通知、未签订合同，参建队伍可以（）。
A.搭设临建
B.进场施工
C.交付预付款保函
D.踏勘现场
参考答案：D
(2013·黄山一检)Everyone wants to live in a beautiful，comfortable and livable place，but not ________ know where it is.
A．all
B．some
C．either
D．both
— The radio says the heavy rain will stop later this afternoon.
—__________________.
A. Take it easy. B. Don’t worry C. I hope so.
