1. 汞中毒的鱼
一条河的河水和这条河里面的鱼都含汞(mercury),但是附近没有汞的污染源,科学家推断,因为汞可以蒸发,和空气水分混合变成vapored形式,飘到很远的地方降落,所以这里的污染可能是很远有污染地区影响的结果。问weaken。
1. 周围地理环境汞无法飘到这里;2. 以前慢慢形成的,不是目前的污染源
2. 生产军品的公司
Three largecompanies and seven small companies currently manufacture a product withpotential military applications. If the government regulates the industry, itwill institute a single set of manufacturing specifications to which all tencompanies will have to adhere. In this case, therefore, since none of the sevensmall companies can afford to convert their production lines to a new set ofmanufacturing specifications, only the three large companies will be able to remainin business.
Which of thefollowing is an assumption on which the author’sargument relies?
A. None of thethree large companies will go out of business if the government does notregulate the manufacture of the product.
B. It would costmore to convert the production lines of the small companies to a new set ofmanufacturing specifications than it would to convert the production lines ofthe large companies.
C. Industrylobbyists will be unable to dissuade the government from regulating theindustry.
D. Assembly of theproduct produced according to government manufacturing specifications would bemore complex than current assembly procedures.
E. None of the seven small companies currently manufactures theproduct to a set of specifications that would match those the government wouldinstitute if the industry were to be regulated.
E
3. 不给买保险的公司
现在公司cover very low rate ofinsurance for employees. The insurance company thought that if there is a lawto require companies to cover a high insurance rate, then the insurance companywill make a profit. 问削弱.
也很少有公司能给员工全部交high insurance,最后能够交得起的变得很少,反而不盈利。 |