歧管压力表组的组成不包括:()
A、低压表
B、注入阀
C、软管
D、高压手动阀
参考答案:B
The taxi driver ________ and began to rob his passenger with a fruit knife when suddenly a policeman turned up.
A.pulled away
B.pulled out
C.pulled over
D.pulled through
全世界平均预期寿命最长的国家是()。
A.日本
B.中国
C.美国
D.德国