接上级通知有车队通过时,监控员应记录(),(),(),()。
参考答案:通知下达人,车辆数,开道车车号,通过时间
一人沿着半径R=40m的圆形喷水池边散步,当他走了3圈半时,他的位移大小和经过的路程是( )
A.880m,880m
B.80m,880m
C.80m,80m
D.880m,80m
44. I've got a idea of how we should help the students with their English study.
A.general
B.generally
C.whole
D.Roughly