There is a ______ when one or more vessels are towing or pushing another vessel or vessels,provided that they are all involved in commercial activities and not in a salvage operation.
A.
private safety
B.
private maritime adventure
C.
common safety
D.
common maritime adventure
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】Task1Completeeachstatementbychoosingtheappropriateanswerfromthe fourchoicesmarkedA,B, CandD.She is newcomer to chemistry but she has already made some important discoveries.
【简答题】Usually, students are not encouraged to run or jump around in the corridor (走廊). However,students in a British grammar school really enjoy running on the corridor tiles (瓷砖) and their teachers even en...