卷烟工商业协同营销机制主要包括以下（）方面的内容。
A、信息协同
B、计划协同
C、营销协同
D、队伍协同
参考答案：A, B, C, D
1.He did not find a job yet because he had no _____ to men who could help him.
A. approach B. application C. access D. approval
2.The old man got into the _____ of storing money under the bed.
A. tradition B. habit C. use D. custom
保证低压断路器系统故障时上下级动作的选择性是为了保证系统中不发生（）。
A．短路
B．漏电
C．越级跳
D．过载
