当尖轨与基本轨密贴后，ZYJ7型电液转辙机的锁闭缺口两侧间隙为4.0mm±0.5mm。
参考答案：错
信用证的汇票条款注明“Drawn on us”，则汇票的付款人应是( )。
A．开证申请人
B．开证行
C．通知行
D．议付行
Her mother is a teacher. She ___ ___ English now. [ ]
A. teach, we
B. teaches, us
C. teaching, them
D. teach, them
