概、预算中辅助生产现场费是按人工费的15%计，最后构成( )。
A．人工费
B．材料费
C．间接费
D．施工管理费
参考答案：B
34．I don’t say I am against their plan. But the trouble is _________ they do doesn’t agree with what they say.
A．what that
B．that what
C．that whether
D．what if
少量的氯供应,有利于烟草生长和质量、品质
