（）是储存挥发性能差的油品油罐收发油时气体的呼吸通道。
A、呼吸管
B、进气支管
C、通气管
D、胀气管
参考答案：C
Having lost all their _____ in a big fire, the Blacks had to depend on their friends and relatives for a living.
A．galleries
B．reputations
C．signatures
D．possessions
