()下述Inmarsat–C标准系统提供的业务中,哪一种属于强制性业务。
A、查询业务
B、船位报告业务
C、MSI播发业务
D、EGS船队网业务
参考答案:C
If the project ________ by the end of this month is delayed , the company is sure to pay a large sum of money for it .
A.completed
B.completing
C.to be completed
D.having completed
()是一种专门从事经营管理的,面向社会的,独立于其他企业的仓库。