滑片泵是车用消防泵中常选用的一种（）。
A.引水装置
B.排水装置
C.吸气装置
D.排气装置
参考答案：A
一Why don’t we go camping if it is sunny tomorrow?
一_________
A．You’re right．
B．How good!
C．That’s right．
D．What a good idea!
_________ the traffic jam yesterday, only few students were late for the class. [ ]
A. Although
B. In spite of
C. Due to
D. Because of
