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GWD 13套CR分类总结-4套

GWD-4-Q8:

From 1980 to 1989, total consumption of fish in the country of Jurania increased by 4.5 percent, and total consumption of poultry products there increased by 9.0 percent. During the same period, the population of Jurania increased by 6 percent, in part due to immigration to Jurania from other countries in the region.

If the statements above are true, which of the following must also be true on the basis of them?

A. During the 1980’s in Jurania, profits of wholesale distributors of poultry products increased at a greater rate than did profits of wholesale distributors of fish.

B. For people who immigrated to Jurania during the 1980’s, fish was less likely to be a major part of their diet than was poultry.

C. In 1989 Juranians consumed twice as much poultry as fish.

D. For a significant proportion of Jurania’s population, both fish and poultry products were a regular part of their diet during the 1980’s.

E. Per capita consumption of fish in Jurania was lower in 1989 than in 1980.

 

1.魚的消費量增加4.5%

 

2.家禽的消費量增加9%

 

3.人口增加6% 13条就可推出E

[E]

B的错误在于For people who immigrated to Jurania during the 1980s, fish was less likely to be a major part of their diet than was poultry.说的是量,而题干中说的是比率。比率高,不一定量就大。

假设原来人有n个现在是n*(1+6%)

原来消费鱼m条现在是m*(1+4.5%)

原来人均消费鱼m/n

现在人均消费鱼1.045m/1.06n 这是一类题。

显然人均消费鱼少了


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GWD-4-Q14: 错了。

GWD-5-Q2:

Guidebook writer: I have visited hotels throughout the country and have noticed that in those built before 1930 the quality of the original carpentry work is generally superior to that in hotels built afterward. Clearly carpenters working on hotels before 1930 typically worked with more skill, care, and effort than carpenters who have worked on hotels built subsequently.

Which of the following, if true, most seriously weakens the guidebook writer’s argument?

The quality of original carpentry in hotels is generally far superior to the quality of original carpentry in other structures, such as houses and stores.

Hotels built since 1930 can generally accommodate more guests than those built before 1930.

The materials available to carpenters working before 1930 were not significantly different in quality from the materials available to carpenters working after 1930.

The better the quality of original carpentry in a building, the less likely that building is to fall into disuse and be demolished.

The average length of apprenticeship for carpenters has declined significantly since 1930.

D就是说,1930年以前的木工也是有好有坏,但是能留到今天的都是当初的好的木工,不好的都disusedemolish了,所以不能以现在留下来的这些1930年以前的直接与1930年以后的做比较,削弱了原文的逻辑。E is not relevant, because there is not necessarily any direct relationship between the "length of apprenticeship" and the "quality of the carpentry work".

我选A:比较对象与原文不符。

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GWD-4-Q20:

GWD-5-Q40:

GWD-11-Q8:

Community activist: If Morganville wants to keep its central shopping district healthy, it should prevent the opening of a huge SaveAll discount department store on the outskirts of Morganville. Records from other small towns show that whenever SaveAll has opened a store outside the central shopping district of a small town, within five years the town has experienced the bankruptcies of more than a quarter of the stores in the shopping district.

The answer to which of the following would be most useful for evaluating the community activist’s reasoning?

A. Have community activists in other towns successfully campaigned against the opening of a SaveAll store on the outskirts of their towns?

B. Do a large percentage of the residents of Morganville currently do almost all of their shopping at stores in Morganville?

C. In towns with healthy central shopping districts, what proportion of the stores in those districts suffer bankruptcy during a typical five-year period?

D. What proportion of the employees at the SaveAll store on the outskirts of Morganville will be drawn from Morganville?

E. Do newly opened SaveAll stores ever lose money during their first five years of operation?

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本题简单做法:题干的more than a quarter 与选项的what proportion形成对应。

GWD-5-Q3:

GWD-11-Q2:

The average hourly wage of television assemblers in Vernland has long been significantly lower than that in neighboring Borodia. Since Borodia dropped all tariffs on Vernlandian televisions three years ago, the number of televisions sold annually in Borodia has not changed. However, recent statistics show a drop in the number of television assemblers in Borodia. Therefore, updated trade statistics will probably indicate that the number of televisions Borodia imports annually from Vernland has increased.

Which of the following is an assumption on which the argument depends?

A. The number of television assemblers in Vernland has increased by at least as much as the number of television assemblers in Borodia has decreased.

B. Televisions assembled in Vernland have features that televisions assembled in Borodia do not have.

C. The average number of hours it takes a Borodian television assembler to assemble a television has not decreased significantly during the past three years.

D. The number of televisions assembled annually in Vernland has increased significantly during the past three years.

E. The difference between the hourly wage of television assemblers in Vernland and the hourly wage of television assemblers in Borodia is likely to decrease in the next few years.

[C]

提干的结论是:因为工人数量减少,推出进口电视机数量增加。即B国生产电视机数量减少。

人数*工作效率*工作时间=总产量。

这个公式可以推出,工作时间少了,如果要想使总产量少,就要保持工作效率不变,否则工作效率提高了,产量还是会增加。

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