单项选择题
A.Try B.Adjust C.Notice D.Operate
I shall keep the﹙保安巡逻)（） .A. coast patrolB. inshore pat...
单项选择题I shall keep the﹙保安巡逻)（） .
A. coast patrol B. inshore patrol C. patrol service D. security patrol
Where are（危险货）（）carried on board?A. dangerous goodsB. s...
单项选择题Where are（危险货）（）carried on board?
A. dangerous goods B. safe goods C. A or B D.A+B
It shows mourning when you lower（）(半旗).A. half-mastB. d...
单项选择题It shows mourning when you lower（）(半旗).
A. half-mast B. dip the mast C. flag line D. flag mast
