剧毒介质的中压容器属于（）压力容器。
A.第一类
B.第二类
C.第三类
D.第四类
参考答案：C
--- We can give you a ride into town.
--- ________ Thank you. [ ]
A. Yes, why not?
B. Oh, it would be my pleasure.
C. Oh, that would be great.
D. Yes, please.
护照签发机关采用（）、荧光印等。
A、湿式
B、干式
C、干湿式
D、钢印
