单项选择题
A. cargo handled B. cargo handles C. cargo handle D. cargo handling
You should （松）（）the mooring lines at the same time when...
单项选择题You should （松）（）the mooring lines at the same time when the wind is big.
A.fasten B.slack C.fast D.slacken
When we meet a（军舰）（）, we should lower national flag.A. ...
单项选择题When we meet a（军舰）（）, we should lower national flag.
A. warship B. boat C. container ship D. bulk carrier
PSC officers will come on board for(检查)（）next Monday.A....
单项选择题PSC officers will come on board for(检查)（）next Monday.
A.inspect B.inspection C.inspector D.inspected
