制冷压力容器耐压试验所用压力表应当为试验压力的（）倍。
A.0.5～1.0
B.1.0～1.5
C.1.5～2.0
D.1.5~3.0
参考答案：D
.
The last thirty years _____ the greatest number of laws stopping our rights and progress. Until today we have reached a stage _______ we have almost no rights at all．
A．saw; which
B．see; where
C．are seeing; in which
D．have seen; where
彩铃铃音不能通过（）修改。
A、拨打12530语音方式
B、短信
C、网站
D、10086
