图中小河的流向是( )
A.东北流向西南
B.东南流向西南
C.西北流向西南
D.西北流向东南
读图可得,图中小河的流向是自西北流向东南.
故选:D.
He was about to tell me the secret _____ someone patted him on the shoulder. [ ]
A. as
B. until
C. while
D. when
事故应急处理和拉合()(开关)的单一操作。可以不用操作票。
A.断路器
B.隔离
C.高压保险