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标题: 求教！在线等，GWD题 [打印本页]

作者: sierrapan 时间: 2009-11-20 19:25
标题: 求教！在线等，GWD题
Lightbox, Inc., owns almost all of the movie theaters in Washington County and has announced plans to double the number of movie screens it has in the county within five years. Yet attendance at Lightbox's theaters is only just large enough for profitability now and the county's population is not expected to increase over the next ten years. Clearly, therefore, if there is indeed no increase in population, Lightbox's new screens are unlikely to prove profitable.

Which of the following, if true about Washington County, most seriously weakens the argument?

Though little change in the size of the population is expected, a pronounced shift toward a younger, more affluent, and more entertainment-oriented population is expected to occur.

The sales of snacks and drinks in its movie theaters account for more of Lightbox's profits than ticket sales do.

In selecting the mix of movies shown at its theaters, Lightbox's policy is to avoid those that appeal to only a small segment of the moviegoing population.
为什么不选C呢，答案是A

Nitrogen dioxide is a pollutant emitted by automobiles. Catalytic converters, devices designed to reduce nitrogen dioxide emissions, have been required in all new cars in Donia since 1993, and as a result, nitrogen dioxide emissions have been significantly reduced throughout most of the country. Yet although the proportion of new cars in Donia's capital city has always been comparatively high, nitrogen dioxide emissions there have showed only an insignificant decline since 1993.

Which of the following, if true, most helps to explain the insignificant decline in nitrogen dioxide emissions in Donia's capital city?
[td]More of the cars in Donia's capital city were made before 1993 than after 1993. [tr][td][td][tr][td] [td]The number of new cars sold per year in Donia has declined slightly since 1993. [tr][td][td][tr][td] [td]Pollutants other than nitrogen dioxide that are emitted by automobiles have also been significantly reduced in Donia since 1993. [tr][td][td][tr][td] [td]Many Donians who own cars made before 1993 have had catalytic converters installed in their cars. [tr][td][td][tr][td] [td]Most car trips in Donia's capital city are too short for the catalytic converter to reach its effective working temperature. （￥）DE怎么比？[/td]
Editorial:

In Ledland, unemployed adults receive government assistance. To reduce unemployment, the government proposes to supplement the income of those who accept jobs that pay less than government assistance, thus enabling employers to hire workers cheaply. However, the supplement will not raise any worker's income above what government assistance would provide if he or she were not gainfully employed. Therefore, unemployed people will have no financial incentive to accept jobs that would entitle them to the supplement.
Which of the following, if true about Ledland, most seriously weakens the argument of the editorial? [table=undefined][tr][td][td][/td][tr][td]

[/td][td]The government collects no taxes on assistance it provides to unemployed individuals and their families. [/td][/tr][tr][td][td][/td][tr][td]

[/td][td]Neighboring countries with laws that mandate the minimum wage an employer must pay an employee have higher unemployment rates than Ledland currently has. [/td][/tr][tr][td][td][/td][tr][td]

[/td][td]People who are employed and look for a new job tend to get higher-paying jobs than job seekers who are unemployed. [/td][/tr][tr][td][td][/td][tr][td]

[/td][td]The yearly amount unemployed people receive from government assistance is less than the yearly income that the government defines as the poverty level. [/td][/tr][tr][td][td][/td][tr][td]

[/td][td]People sometimes accept jobs that pay relatively little simply because they enjoy the work.

不懂为什么选C
[/td][/tr][/td][/tr][/td][/tr]

作者: ajassmine 时间: 2009-11-22 12:59
In selecting the mix of movies shown at its theaters, Lightbox's policy is to avoid those that appeal to only a small segment of the moviegoing population.
这个选项跟文中的论点是没有关系的，谈不到削弱不削弱论点。。。

作者: ajassmine 时间: 2009-11-22 13:07
第二题：Many Donians who own cars made before 1993 have had catalytic converters installed in their cars.

D明显是错的，如果旧车都装上catalytic converters，那么污汽排放就不会insignificant decline了。。。

作者: ajassmine 时间: 2009-11-22 13:16
第三题，C：People who are employed and look for a new job tend to get higher-paying jobs than job seekers who are unemployed. 这个理由削弱了失业者因为政府因补偿+再就业者薪水也不超过失业救济金而不愿意再就业的论点。因为C本身是另一个很充分的失业再就业者不愿意找工作的理由。

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