ASZ—30型自动苏生器结构有（）。
A、配气阀
B、引射器
C、校验囊
D、外源接头
E、呼吸阀
参考答案：A, B, C, D, E
Jobs are hard to get and, _____, more young people are continuing their education. [ ]
A. above all
B. as a result
C. after all
D. on the contrary
惰气温度一般情况下比冷却水高（）。
A.5～10℃
B.10～15℃
C.15～20℃
