When using a hand held smoke signal from a lifeboat, you should activate the signal ________.(1.0)
A.on the downwind side B.on the upwind side C.inside the boat D.at the stern正确答案A
When using a hand held smoke signal from a lifeboat, you should activate the signal ________.(1.0)
A.on the downwind side B.on the upwind side C.inside the boat D.at the stern正确答案A