A. 马步、弓步、仆步、虚步 B. 并步、开步、独立步、丁步 C. 玉环步、撗裆步、盖步、插步 D. 骑龙步、单碟步、跪步、歇步
A. external logistics B. social logistics C. state logistics D. country logistics
A. article B. merchants C. material D. things
A. material B. export goods C. import goods D. inventory
A. moving operation B. belt machine C. transportation process D. carrying and loading
A. work B. product C. margin D. revenue
A. should do B. did C. have done D. had done
A. were B. was C. had been D. have been