单项选择题
Floating, not controlled, without a clearly determinable direction means（）.
A.grounding B.sailing C.adrift D.running into danger
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?（）.
单项选择题 How should the number 3 be pronounced when spoken on the radiotelephone?（）.
