题目内容

A supermarket usually uses hundreds of separate lorries to deliver items to stores.

A. 对
B. 错

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Sending a truck load of sand by air is a waste of money.

A. 对
B. 错

All shippers prefer shorter transit time because it can reduce cost。

A. 对
B. 错

Rail transportation is more expensive than road.

A. 对
B. 错

Safety concern mainly refers to protecting goods from being stolen.

A. 对
B. 错

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