在商流、资金流、物流和信息流之间，（）是导向。
A．物流
B．资金流
C．信息流
D．商流
参考答案：C
I hope all the precautions against air pollution, _____ suggested by the local government, will be seriously considered here.
A．while
B．since
C．after
D．as
施工图预算编制方法有()。①指标法②类似工程预算法③生产能力指数法④单价法⑤实物法
A.①②
B.②③
C.③⑤
D.④⑤
