()控制层是物流系统的重要组成部分,它接受来自管理层的指令,控制物流机械完成指令所规定的任务。
A.正确
B.错误
参考答案:UNKNOWN
用括号内所给动词的适当形式填空
小题1:She ___(write) twenty pop songs which are liked by fans by the end of last year.
小题2:________(quarrel) with others isn’t good manners for everyone.
小题3:- the price (include) coffee and hamburgers?
-I’m afraid not.
小题4:The teacher told us that three quarters of our earth (cover) by water.
小题5:Everyone knows that the disabled mustn’t __________ (laugh) at
小题6:We should try our best to prevent the air pollution (live) a happy life.
小题7:With all lights on, the hall______ (become) as bright as day when we arrived.
小题8:How soon do you think we (get) to the hotel?
小题9:Mr. Green told me that his family (go) for a holiday the next week.
小题10:–Did you see him come in just now?
缩窄性心包炎可能的主要病因是()
A.病毒
B.结核
C.立克次体
D.细菌
E.真菌