The color of the signal flare sent up by a submarine about to surface due to an emergency condition within the submarine is（）.<br>A:green<br>B:red<br>C:white<br>D:yellow

The color of the signal flare sent up by a submarine about to surface due to an emergency condition within the submarine is（）.
A:green
B:red
C:white
D:yellow

出自：海船船员证

提示：
同一【IP】的非会员用户每天可免费获取10次答案

收藏本站【zk.995w.com】，下次访问不迷路

本站试题总数:【10252937】个 (题库试题定时更新)