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【听力辅导】大学英语六级听力理解综合辅导(四十)

所属:四六级英语 作者:webmaster 阅读:2086 次 评论:0 条 [我要评论]  [+我要收藏]
4、解释原则 
5、转折对比原则
 
  
2003年1月 
    There are some serious problems in the Biramichi River. The local Chamber of Commerce, which represents the industries in the area, hired me as a consultant to do a  one-year study on fishing in the Biramichi River and write a report for them. This is my  
report. 
    One of the major problems in the Biramichi River, is that the level of the oxygen in  the water is too low. Several chemicals have displaced the oxygen. This chemical  pollution has two sources: The factories which dump polluted water directly into the  river and the local community, which dumps untreated human wastes into the river. The local town government has already spent 2 million dollars on waste water treatment projects. But it would cost another 27 million to complete the projects. It would take at least 15 years for the town to collect enough revenue from taxes to complete these projects. The factories here employed 17 000 people, and in the area where there is very little alternative employment, it is not economically practical to close or relocate the factories. Also, the factories can not afford to finance chemical treatment plants by themselves. 
    Another problem is that the members of the Biramichi fishing cooperative are overfishing. Fishes are caught when they are on the way upstream to lay eggs.  
Consequently, not enough fish are left to reproduce in large numbers. The members of the cooperative say that they have already reduced their annual catch by 60 percent. However, my study indicates that they took fewer fish because there were fewer fish to catch, not because they were trying to preserve fishes.
14.
 A) There were fewer fish in the river. 
B) Over-fishing was prohibited. 
C) The local Chamber of Commerce tried to preserve fishes. 
D) The local fishing cooperative decided to reduce its catch. 
[答案:A]

8
2010-08-17 12:00 编辑:homersimpson
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