考古： GWD32-Q8 (非常感谢sikikoku同学考古)
Last August the XT chain of gasoline stations had a temporary sales promotion in effect In the promotion , any customer who made a purchase of ten or more gallons of gasoline was entitled to a tree car wash . For the month of August , XT experienced a ten percent increase in gasoline sales as compared to sales in August the previous year .so evidently the promotion was successful as a means of boosting sales .
In evaluating the argument , it would be most helpful to answer which of the following ?
1) In the areas in which XT’s gasoline stations operate , how did total combined gasoline sales for all gasoline stations last August compare with sales for the previous August?
2) Was the money that XT earned from the increase in gasoline sales enough to offset the cost of providing tree car washes during the promotion?
3) Were there any customers who bought ten or more gallons at an XT gasoline station during the promotion who would have or more gallons at an XT gasoline in lower quantities , but more frequently ,if the promotion had not been in effect?
4) Did XT or any or its gasoline stations have to pay other businesses to provide the car washes that customers were offered in the promotion?
5) Are XT’s gasoline sales in August usually significantly higher than one twelfth of XT’s annual gasoline sales ?
答案是A，问题是C好像也可以艾。。。作者: zhaoqi0418 时间: 2011-1-6 11:02
考古（感谢jojobqq同学考古）
有种鸟在迁徙途中会停在某个城市的沙滩的一处，然后吃沙滩上的一种动物的蛋，这种行为吸引了很多游客，政府为了吸引更多游客，从而增加收入，打算再建一个沙滩．
问削弱：选的是crab的蛋的density只有达到它下蛋的时候可能就挖到别人下的蛋上这种程度，这种鸟才吃的到crab的蛋
参考GWD-11-Q27:
Mayor: Migrating shorebirds stop at our beach just to feed on horseshoe-crab eggs, a phenomenon that attracts tourists. To bring more tourists, the town council plans to undertake a beach reclamation project to double the area available to crabs for nesting.
Birdwatcher: Without a high density of crabs on a beach, migrating shorebirds will go hungry because shorebirds only eat eggs that a crab happens to uncover when it is digging its own nest.
Which of the following, if true, would provide the mayor with the strongest counter to the birdwatcher’s objection?
A、Every year a certain percentage of crabs are caught by fishermen as bait for eel traps.
B、Horseshoe crabs are so prolific that given favorable circumstances their numbers increase rapidly.
C、On average, tourists who come to the town in order to watch birds spend more money there than tourists who come for other purposes.
D、The additional land made available by the reclamation project will give migrating shorebirds more space.
E、Some of the migrating shorebirds make only one stop during their migration form South America to Canada.
GWD17-Q34:
During the month of May, crabs arrive on Delaware’s beaches to lay eggs. Certain shorebirds depend on these eggs for food during their annual spring migration to their northern breeding grounds. Delaware’s crab population has declined recently. This decline, however, poses no serious threat to the migrating shorebird populations: by remaining longer in Delaware, the birds will be able to eat enough crab eggs to allow them to complete their migration.
Which of the following, if true, most seriously weakens the argument?
No other food available to the birds on Delaware’s beaches is as nutritious and accessible as are crab eggs.
The decline in the number of crabs on Delaware’s beaches is due to the harvesting of crabs by humans.
There are more crabs on Delaware’s beaches than in any other area that the migrating birds pass through.
The crabs do not conceal their eggs.
The earlier in the season the shorebirds complete their migration, the more likely they are to breed successfully.作者: zhaoqi0418 时间: 2011-1-6 11:03
考古：第5题 考古
GWD-29-Q17 注意是变体！！
The total market value of real estate in Altonville has steadily declined over the past four years. This decline has meant that the overall figure on which the city’s property tax is based—the assessed value of that real estate—has also declined. Moreover, the percentage of assessed value that was paid as property taxes to the city did not change during this period.
The information above most strongly supports which of the following?
A. Money collected from property taxes provided most of Altonville’s revenue during the past four years.
B. The percentage of Altonville’s overall revenue that was collected from property taxes did not change over the past four years.
C. Altonville officials had proposed raising property tax rates during the past four years but never did so because of strong opposition from property owners.
D. The total amount of revenue that Altonville has collected from property taxes has declined over the past four years. (Answer)
E. During the past four years, Altonville officials also did not increase tax rates on other sources of revenue such as retail sales or business profits.
V2 (V42) 一个城市的房地产的平均 assessed value 在下降，税率没变，但是平均到每个 owner 的tax bill 却增加。问怎样解释。这道题GWD 有，但是选择完全不一样。每一个都不太像，我只好用排除法。平均assessed value 下降时由于中等或低房价的房子下降而且比贵的房子数量多。但是由于贵的房子税高，所以平均tax bill 却增加。这是我的推测。但是似乎题干也没有说是否所有房子是一样的税率一样。要不然实在没有可选的答案。其它的答案好像有人口增加，外地搬来的新房主增加。可是这些和平均只无关。
V3 政府征收的房地产税是在assess value上按一个百分比征收的，然而现在发现今年的assess value没有前年的高。但是今年寄出去的账单上的税收总量和去年的相比却没有减少。我选的是今年的税率比去年的高。
V4总价值减小，但是税收总数没变，是因为______...Which of the following most logically completes the passage?
—— Altonville officials increased property tax rates during the past four years 。(Q51V38)作者: zhaoqi0418 时间: 2011-1-6 11:03
8. 水温
还有考到水温的，完全忘记是罗技还是阅读了，有点像下面地址里的段落
Two decades after the Emerald River Dam was built, none of the eight fish species native to the Emerald River was still reproducing adequately in the river below the dam. Since the dam reduced the annual range of water temperature in the river below the dam from 50 degrees to 6 degrees, scientists have hypothesized that sharply rising water temperatures must be involved in signaling the native species to begin the reproductive cycle.
Which of the following statements, if true, would most strengthen the scientists’ hypothesis?
(A) The native fish species were still able to reproduce only in side streams of the river below the dam where the annual temperature range remains approximately 50 degrees.
(B) Before the dam was built, the Emerald River annually overflowed its banks, creating backwaters that were critical breeding areas for the native species of fish.
(C) The lowest recorded temperature of the Emerald River before the dam was built was 34 degrees, whereas the lowest recorded temperature of the river after the dam was built has been 43 degrees.
(D)Nonnative species of fish, introduced into the Emerald River after the dam was built, have begun competing with the declining native fish species for food and space.
A
(E) Five of the fish species native to the Emerald River are not native to any other river in North America.
答案是A。
谁能解释一下结论？scientists have hypothesized that sharply rising water temperatures must be involved in signaling the native species to begin the reproductive cycle.
OG的解释：For the hypothesis to be tenable it is important that the fish in streams in the Emerald River
area that retain a wide temperature difference have not lost their ability to reproduce. Choice A
asserts that these fish could still reproduce and is thus the best answer.
前提说none of the eight fish species native to the Emerald River was still reproducing adequately，也就是reproduce不够，而不是不能reproduce，那为什么A中说reproduce only in side streams，这不是说在6 degrees的时候不能reproduce，与结论矛盾了吗？如何支持结论呢？
16. honeybee不明死亡
V1养殖honeybee最近老是不明死亡，结论由于大型养殖使honeybee高度集中infection的。evaluate，这个不记得了 (by uupigyu318 600+)
V2养殖honeybee最近老是不明死亡，结论由于大型养殖使honeybee高度集中infection的。evaluate，这个不记得了
这个我选了看别的没有大量养殖的蜜蜂是不是也有这个感染
考古：
V1 现在科学家发现honeybee的死亡率增加，并且认为这是因为现在养蜂人减少，导致a larger number of honeybees be kept and trucked together，从而导致某种疾病传播更容易（还是更泛滥），问to know which of the following can best evaluate the argument。我选了：在honeybee没有被kept和trucked together的时候，这种疾病在honeybee中传播的频率（frequency）。
V2 一题讲一种蜜蜂数量减少，有人说是因为人们把他们聚集起来，养吧，大概是这个意思，然后疾病容易传染这样。问evaluate。我选的是集中养的蜜蜂和不这样集中的蜜蜂死亡率的差别，好像是这个意思。。V3 有个地方的蜜蜂死光光了，就有个人跳出来讲是养蜂人越来越少疏于管理。问哪一项最能评价结论的正确性作者: zhaoqi0418 时间: 2011-1-6 11:10
18.公路网加入新公路
有一个印象特别深因为特别不确定。
说一个数学家的研究表明当在一个公路网中加入一条新路时交通反而会更加拥堵，因为人们都想占到这条新路的便宜。从这个实验我们可以推测，当在一个公路网中减去一到两条道路时，会发生什么情况__________（填空）(by kevin0214一战710)
A 想要到一个特定目的地的人会需要花更多时间
B 人们花在路上的平均时间会减少
C 人们都会挤向那条最拥挤的路
D 人们会改乘其他交通工具
E。。。。不记得了，反正我看来都不像答案，希望不要误导大家，题目绝对是很完整的，前面三个选项的准确性我很肯定。作者: zhaoqi0418 时间: 2011-1-6 11:11
18.公路网加入新公路
有一个印象特别深因为特别不确定。
说一个数学家的研究表明当在一个公路网中加入一条新路时交通反而会更加拥堵，因为人们都想占到这条新路的便宜。从这个实验我们可以推测，当在一个公路网中减去一到两条道路时，会发生什么情况__________（填空）(by kevin0214一战710)
A 想要到一个特定目的地的人会需要花更多时间
B 人们花在路上的平均时间会减少
C 人们都会挤向那条最拥挤的路
D 人们会改乘其他交通工具
E。。。。不记得了，反正我看来都不像答案，希望不要误导大家，题目绝对是很完整的，前面三个选项的准确性我很肯定。作者: zhaoqi0418 时间: 2011-1-6 11:11
33葡糖酒温度与酸度
说有个地方种葡萄酿酒，有一年的天气很好，温度和什么都balance的很好，葡萄成熟的时候酿出来的酒怎么怎么样。今年天气预计变化很大，温度和湿度都没那么稳定。说什么葡萄温度高的时候甜度会增加还是减少，而酸度却因为另一个条件减少或增加，问如果这个情况是确定的，那以下哪个可能发生？
1是什么种葡萄的人可能会要种另一种葡萄which tolerate more with the high temperature
2是什么种葡萄的可能要换到和以前天气情况差不多的地方去种葡萄
3，4忘了
5是今年的葡萄酒味道和以前会不一样 （我选的是这个，不确定）作者: zhaoqi0418 时间: 2011-1-6 11:18
36医疗技术发展
the government has a program for old people above 70 years old. It tells about new improvement in medical treatment which enables the proportion of old people who need medical treatment become lower, people reaching 70 is no more than past decade, cost of new treatment is not gonna increase in next decade....but the cost of this program would not decrease in the next decade. Why? (Verbal 29)
考古 待确认
V1过去若干年医疗技术长足发展，但这种发展不能促进该国疾病治疗费用的降低，因为在这若干年间，疾病治疗费用非但没降低，反而升高了。问weaken.(没有“这些年间该国人口总数增大“这类选项)
(1) 对于某种病，由于采取了新的疗法，导致治这种病的费用升高，所以尽管治疗其它疾病的费用由于技术发展而降低，总费用仍然升高。
(2) 许多原有疾病消失了，而许多新的疾病出现了。
V2 A地的medical technology上升不会带来medical cost下降，因为过去几年中medical 费用越来越高问weaken Except 选了“increase in medical staffs” (其他选项有increase in old people, type of diseases, inflation, number of people)
V3虽然医药研究已经取得了巨大进步，但是人们并没有因此受益， overall 人们花费在医药上的钱还在迅速的增长。问 the author fails to consider following points except ?
选项 a) the average life-span b) the total population size c) which kind of illness people currently have d) the cost of people who do medical research.作者: zhaoqi0418 时间: 2011-1-6 11:19
36医疗技术发展
the government has a program for old people above 70 years old. It tells about new improvement in medical treatment which enables the proportion of old people who need medical treatment become lower, people reaching 70 is no more than past decade, cost of new treatment is not gonna increase in next decade....but the cost of this program would not decrease in the next decade. Why? (Verbal 29)
【36来源http://forum.Topway.com/GMAT_Math/thread-510449-1-1.html】
考古 待确认
V1过去若干年医疗技术长足发展，但这种发展不能促进该国疾病治疗费用的降低，因为在这若干年间，疾病治疗费用非但没降低，反而升高了。问weaken.(没有“这些年间该国人口总数增大“这类选项)
(1) 对于某种病，由于采取了新的疗法，导致治这种病的费用升高，所以尽管治疗其它疾病的费用由于技术发展而降低，总费用仍然升高。
(2) 许多原有疾病消失了，而许多新的疾病出现了。
V2 A地的medical technology上升不会带来medical cost下降，因为过去几年中medical 费用越来越高问weaken Except 选了“increase in medical staffs” (其他选项有increase in old people, type of diseases, inflation, number of people)
V3虽然医药研究已经取得了巨大进步，但是人们并没有因此受益， overall 人们花费在医药上的钱还在迅速的增长。问 the author fails to consider following points except ?
选项 a) the average life-span b) the total population size c) which kind of illness people currently have d) the cost of people who do medical research.作者: zhaoqi0418 时间: 2011-1-6 11:19
51黑体
很简单，我没仔细看内容就选了。批评家：Context, The government points out that xxx. However，the fact cited by the government is not xxxx，So xxx，since xxx. The two boldfaced portions play which of the following roles? 1. a conclusion which the argument refutes 2 The main conclusion of the argument.( Q51V38)作者: sunflower88 时间: 2011-1-9 06:46
many thanks (*())(
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