验单的缮发时限规定,从干线汽车到达(遇晚点,应批注到达时间)时间开始,最长不超过4个小时。
参考答案:对
I took your pen _____.[ ]
A. for mistake
B. by mistake
C. of mistake
Any person maintaining a listening watch on a bridge to bridge radio-telephone must be able to().
A.Speak English
B.Repair the unit
C.Speak Spanish
D.Send Morse code