钟面上,当分针旋转1周时,时针旋转______度.
360°÷60×5,
=6°×5,
=30°;
答:时针旋转30°.
故答案为:30.
— What _____ to the little baby a moment ago?
— He fell off the bed. [ ]
A. happens
B. happened
C. was happened
D. is happening
通信导航监视设备的设备生产厂家申请通信导航监视设备许可证后,审查不合格的,由民航局()通知申请人,并说明理由。
A.网上
B.电话
C.书面
D.以上都不对