Dad was an indefatigable walker. He could hike for mile after mile and never seemed to get weary. Dad was an indefatigable walker. He could hike for mile after mile, _______________________.

___________ they reached the center of the city, they stopped the car at a bar. A: Before a mile or so when B: Further than a mile or so C: For a mile or so after D: A mile or so before

NAVTEX系统的每个发射台覆盖范围是____（ ）。 A: 150 n mile B: 200 n mile C: 300 n mile D: 400 n mile

如果目标船AIS传感器的精度符合相关国际标准的要求，则在近量程(___之内)其报告数据精度不低于雷达跟踪目标的精度，在远量程报告数据的精度应高于跟踪数据精度。 A: 1 n mile B: 2 n mile C: 3 n mile D: 4 n mile

VHF无线电设备是实现近距离海上通信的主要手段,它的有效通信距离是 。 A: 50n mile B: 150n mile C: 200n mile D: 400n mile

中华人民共和国毗连区为领海以外邻接领海的一带海域，毗连区的宽度为_____。 A: 12 n mile B: 24 n mile C: 200 n mile D: 3 n mile

a good mile _____________

Roger Bannister was the first athlete who ran a mile in less than 4 minutes. (判断题与音频Roger Bannister有关)

某船拟由（42˚N、140˚E）驶往（40˚N、120˚）E，则恒向线航程为： A: 910.5 n mile B: 915.3 n mile C: 917.9 n mile D: 913.6 n mile

1n mile等于________。