单项选择题
PSC officers will come on board for(检查)（）next Monday.
A.inspect B.inspection C.inspector D.inspected
单项选择题 They will take measures against (海盗)（）and pilferage.
单项选择题 （）（降一点儿）the gangway, please.
单项选择题 Put the（）（防鼠挡）on the lines.
