Goods are carried by several        of transport--on road or rail, by sea or air.

 I like to think ______.  I am always the one finding new ways to a situation or challenge.

You can _____ some bottles of wine, or some chocolates, or a bunch of flowers.

A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.

— I wonder whether I could accept this discount or not.

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下列关于项目目标动态控制的表述中，正确的有(  )。

关于施工成本控制中材料用量控制及其方法的说法，正确的有（  ）。