（）has 3 parts: warehouse, high story shelf and stacker.
A. Multi-story warehouse
B. Automatic multi-story warehouse
C. Stereo-style warehouse
D. stereoscopic warehouse
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当两个线圈互相垂直时，互感电动势为（）。
A. 最大
B. 最小
C. 零
D. 不能确定
The integrated logistics activities, equipment and information network etc is called（）
A. logistics integration
B. logistics industry
C. logistics center
D. Logistics Park
Ocean bill of lading is the（） between carrier and shipper.
A. evidence of the contract of carriage
B. Document
C. trading record
D. Bill
地震发生时，下列哪种是危险的避震方法（）
A. 远离楼房和高大建筑物
B. 靠近桥梁、河岸等空旷地带
C. 不在狭窄的走廊、楼梯停留
D. 不在高压线、电线杆下行走
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