Which mode of transportation is most flexible? （） Air 。 Ship 。 Rail 。 Motor。
What is SCM? （） Supply Customer Management。 Support Customer Management。 Supply Chain Materials。 Supply Chain Management。
What is BPR? （） Business production elation。 Business promotion relation。 Business process re-engineering。 Business placement ratio。
How many flows are there in global logistics?（） One。 Two。 Four。 Three。
How long the haul for international deep-sea movement usually? （） Very long。 Ten thousands of miles。 Thousands of miles。 Thousands of kilometers。
How many stages in the processing of logistics integration?（）
