八十年代的 拉芙运河（ Love Canal ）事件，对美国印象深远，从此 EHS 应运而生。

A . At B . In C . During D . With

A . enters into B . enters C . enters in D . enters to

A . 苏联出兵占领阿富汗 B . 美国从越南撤军 C . 古巴导弹危机 D . 北约成立

A . ①②③ B . ②③④ C . ①②④ D . ①②③④

A . 废物填埋场渗漏 B . 原油泄漏 C . 化工厂泄露 D . 核原料泄漏

A . A.比利时有毒烟雾事件 B . B.美国宾州多诺拉烟雾事件 C . C.英国伦敦毒雾事件 D . D.日本工业废水污染

A . 正确 B . 错误

A . ①②③④ B . ②①④③ C . ④②①③ D . ②①③④

A . except B . except that C . beside D . except for

A . 正确 B . 错误

It is not recommended that any person shall be allowed on the bridge or in the pilot house except the pilot and other representative of the Canal，and Master and such officers and other members of the crew of the vessel as may be necessary for its navigation and control，management，operation and safety． Navigational aids are difficult to maintain and are reported to be unreliable in this waters．A considerable amount of shipping uses the canal and，in addition，many local fishing craft with nets may be encountered in the area.Since passage through the canal entails a run of more than 250 miles，long periods of considerable vigilance are necessary in order to maintain safe standards of navigation． 问题：PILOT HOUSE is referred to ______ in this passage． A.the cabin in which the pilot stays B.the space in which the rudder is located C.the bridge of vessels D.the cabin which is prepared for the pilot SHIPPING is referred to ______ in this passage．A.he operations of transportation of goods by sea B.the procedures of marine transportation business C.the management of marine transportation business D.the vessels and ships The author implies that ______ ．A.even by making use of modern instrument it is difficult to maintain safety in this area B.mariners should take it easy when navigating in this area C.modern instrument should be used to control the safety of navigation in this area D.it is dangerous when navigating in this area The person on the bridge or in the pilot house shall be those ______ ．A.who are recommended B.who are familiar with the navigation，management，operation and safety control C.who are directly involved in the navigation，management，operation and safety control D.who have nothing to do with the navigation，management，operation and safety control

A．①②③ B．①②④ C．②③④ D．①②③④

A．《海牙公约》 B．《蒙特利尔公约》 C．《芝加哥公约》 D．《东京公约》

A．①②③ B．②③④ C．①②④ D．①③④

A．①②③④ B．②③④ C．①③④ D．①②③