低压电缆上作业应()。
A、签发停电工作票
B、签发带电工作票
C、签发倒闸作业票
D、电话或口头命令
参考答案:D
________ with others easily will be harmful to your health, so keep a goodtempered character all the time please.[ ]
A.To be annoyed
B.Being annoyed
C.To be pleased
D.Being satisfied
简述政府在电子商务中的角色定位。