除氧器的汽压应通过( )来进行控制。
A．调整液压温度 B．调整水箱高度C．调整加热蒸汽的出汽量 D．调整加热蒸汽的进汽量
参考答案：D
-Sally is strongly against taking the trip to Hainan.
-________?It was she who suggested the plan.[ ]
A．How come
B．What about
C．Really
D．Why not
各国在进行货物贸易统计时，计算进口额的依据一般都是( )
A．CIF金额 B．CFR金额C．FOB金额 D．CPT金额
lly is strongly against taking the trip to Hainan.