按ISM的要求,船舶应建立一套完整的安全教育和培训制度。
参考答案:对
286. --- Can you __________ the hole in my trousers ?
--- Yes , of course. I learned to ______________ at school.
A.sow…sew
B.sew up … sew
C.sew … sew up
D.sow up… sew up
根认证中心称为()
A、GCA
B、BCA
C、MCA
D、RCA