单项选择题
Floating, caused by winds and current with a determinable direction defines（）.
A.floating B.sailing C.drifting D.running into danger
单项选择题 Floating, not controlled, without a clearly determinable direction means（）.
单项选择题 How should the number 1 be pronounced when spoken on the radiotelephone?（）.
单项选择题 How should the number 2 be pronounced when spoken on the radiotelephone?（）.
