单项选择题
I’m on fire and have dangerous cargo on board.The most emergent assistance in this case would be（）.
A.life boat
B.helicopter
C.fire-fighting
D.medicine
点击查看答案&解析
单项选择题
A.life boat
B.helicopter
C.fire-fighting
D.medicine
微信扫一扫,加关注免费搜题