单项选择题
A. carry out B. carried out C. carrying out D. carry on
Any emergency pump situated outside （）（机舱）should also b...
单项选择题Any emergency pump situated outside （）（机舱）should also be started.
A. officer’s room B. machinery cabin C. engine room D. boat deck
broom（）A.扫帚B.钳子C.塑料桶D.棉纱
单项选择题broom（）
A.扫帚 B.钳子 C.塑料桶 D.棉纱
degreaser（）A.除油剂B.扳手C.木粉D.棉纱
单项选择题degreaser（）
A.除油剂 B.扳手 C.木粉 D.棉纱
