非英语类、非涉外专业的普通全日制本科学生参加全国大学生英语四级考试的成绩应在多少分以上？（）

Topic 6：Can shopping vouchers increase consumption?　　Questions for Reference:　　1) To stimulate consumption, which is more effective, tax reduction or shopping vouchers?　　2) What are the major purposes of issuing shopping vouchers?　　3) In what way can the shopping vouchers best be distributed? Shall every citizen be given the same amount of shopping vouchers or should the vouchers be limited to the lower-income people only?

A vessel or object being towed astern shall display a(n)（）.

Although the Shipowner may be responsible for the loss or damage to the goods，his liability may be limited（）the terms of the contract or the statute.

（）shall be liable for loss of and damage to the Vessel and／or goods arising or resulting from inaccuracies in stating the description，quantity，weight，measurement or contents.

The guard, fencing or shielding for moving parts or machinery can be removed for repair only when the machinery it belongs to（）

______no air or water, there would be no life in the world.

What should be used to steer an open lifeboat if the rudder becomes lost or damaged?（）

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

Should it appear that war or blockade would prevent the vessel from safely reaching the port of destination and / or discharging the goods thereat，the Carrier（）.

“挑战杯”全国大学生竞赛包括哪两类赛事（）

哈工程学生近3年在“挑战杯”中国大学生创业计划竞赛及课外学术科技作品竞赛、亚太及全国大学生机器人电视大赛、美国国际大学生数学建模竞赛、全国大学生电子设计竞赛等各类国际国内赛事中获得国际、国家级奖（）余项。