遇有特殊情况或紧急任务时,由(),经检验认可,可以增加临时乘客定额,并发给临时乘客定额证书。
A、政府部门指令
B、用船单位申请
C、海事部门通知
D、上级船检机构发文
参考答案:B
血红蛋白的特性是容易与氧结合,但不易与氧分离.______.
If you are forced to abandon ship in a lifeboat,you should().
A.remain in the immediate vicinity
B.head for the nearest land
C.head for the closest sea-lanes
D.vote on what to do,so all hands will have a part in the decision