在下列图形和曲线中，能够用于表示建设项目成本计划的是( )。
A．横道图
B．S形曲线
C．网络图
D．控制图
参考答案：B
-It shouldn't take long to clear up after the party if we all volunteer to help.
-That's right_________.
A. Many hands make light work
B. Something is better than nothing
C. The more the merrier
D. The sooner begun, the sooner done
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