堆垛设备中常用于高层货架存取的设备为巷道式堆垛机。
A. 对
B. 错
仓库在物流中起着“蓄水池”的作用，它可以调节生产与消费的关系。
A. 对
B. 错
Activity 1In this marketing competition, students were asked to raise money for ________.
A. National Museum
B. National Animal Foundation
C. National Volunteer Association
D. Imperial College
At the beginning, the author tried to sell some candles to _________.
A. her host mom
B. her neighborhood
C. her teacher
D. her classmate
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