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[逻辑小分队] 【每日逻辑练习第二季】【2-1】

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发表于 2012-10-23 16:46:59 | 显示全部楼层
请假+10.22+【2-1】
2.36s
BG:financial magazine question
PRE:1.the question is biased
       2.the readers are a self-selecting sample
CON:skeptical about the survey
可能方向:认为调查结果可以成立 我选择:C 正解:E
错误分析:问的是哪一项不能加强结论 E为无关项,必然不能加强
9.20s
BG:b fired 60 computer data-entry workers for no enough work
PRE:b is buying 100 new computers
CON:real reason is for lower-paid workers
可能方向:不是为了省钱才裁员 我选择:E
10.26s
BG:certain tech used to transmit data
PRE:a and g both develop new system 10 times faster then current ones
       price and use are the same
CON:a will win
可能方向:a有其他优势 我选择 E
11.25s
BG:rds broadcast special info
PRE:rds number raised in Vland
CON:rds number did not raise in Vlander.
可能方向:假设他们应该成正比例关系 我选择D 应选A
错误分析:D无关 A取非能削弱
12.37s
BG:s sales increased for 5yrs因为开新饭馆
PRE:s 未来两年还想继续盈利
CON:s还应继续开新店
可能方向:说明s盈利不是因为开店,或有因素导致不能开新店 我选择:D
完毕!
发表于 2012-11-13 16:52:28 | 显示全部楼层
2、加强EXCEPT

计时:45’

逻辑链
Background Information:
a magazine survey more concern personal finance>politic
Premise:
1? Concern earn money or polictic, ? biase

2 sample self choose
Conclusion:
the result of survey
×
推测(Prephrase: mentally formulate your answer to the question stem)
P无关
选项分析:
A) The credibility of the magazine has been called
into question on a number of occasions.
————————————加强
(B) The conclusions drawn in most magazine
surveys have eventually been disproved.
————————————加强
(C) Other surveys suggest that North Americans are
just as concerned about politics as they are
about finances.
————————————————加强
(D) There is reason to be skeptical about the results
of surveys that are biased and
unrepresentative.
————————————————加强
(E) Other surveys suggest that North Americans are
concerned not only with politics and
finances, but also with social issues.
———————————————无关



944’ 削弱

P1:not enough work -> lay off workers

P2:buy new computers

C:workers: the reason is for cheaper workers

猜:the reason is no work, computers for other use

选:

(A) Most of the workers being laid off know how to enter data on a number of different computer systems.————称述事实,无关
(B) Orders for almost all of Beta Corporation products have increased over the past year.
————P1 not enough work,
(C) A recent memorandum from the president of Beta Corporation requested that all data generated by the company be stored in computerized form.
————反,会需要worker,不应该lay off
(D) Beta Corporation's computer data-entry workers are more experienced and hence more highly paid than people doing comparable work in other companies.
————无关比较
(E) Beta Corporation's new computers will allow its current management and sales staff to perform many of the tasks that the data-entry workers
——与猜测相符,与computer use有关



1032’ 填空

P1: tech transmit infor

P2: A&G10times faster>common tech

C: A&G same price, use , but A will dominant,

猜:AG比较,与price,use无关,与speed有关,或A有其它便利

选:

A) Gammatech has been in the business of designing data transmission systems for several years more than Aptron has————历史长短无关
(B) the number of small businesses that need computer networking systems is likely to double over the next few years
————AG无比较
(C) it is much more likely that Gammatech's system will be expandable to meet future needs
——反
(D) unlike many data transmission companies, Aptron and Gammatech develop computers in addition to data transmission systems
——AG无比较
(E) it is easier for users of the current data transmission technology to switch to Aptron's product than to Gammatech's
——AG便利



1152’ 假设

P1RDS station can receive RDS radio

P2: 1994-1996 RDS station↑RDS raido =

C: RDS infor ↑×

猜:RDS radio 决定 infor, 而不是station决定infor

Radio 满负荷了

(猜错了)

选:

(A) Few if any of the RDS radio stations that began broadcasting in Verdland after 1994 broadcast to people with RDS-equipped radios living in areas not previously reached by RDS stations.——没有扩大范围,去反后削弱
(B) In 1996 most Verdlanders who lived within the listening area of an RDS station already had a radio equipped to receive RDS.
——无关
(C) Equipping a radio station with RDS technology does not decrease the station's listening area.
——反
(D) In 1996 Verdlanders who did not own radios equipped to receive RDS could not receive any programming from the RDS radio stations that began broadcasting in Verdland after 1994.
——重复P1.无关
(E) The RDS radio stations in Verdland in 1996 did not all offer the same type of programming.
——无关



1242’ 削弱

P1: restaurant open new ones , sales

goal: maintain sales ↑ next 2 years

PLAN: open new ones

猜:other condition changed

(A) At times at which customers find Souper restaurants too crowded, they often go to other restaurants nearby.————反,支持Open new ones
(B) The Souper chain has generally opened new restaurants in locations that are in the vicinity of a large number of other restaurants.
————无关
(C) Souper restaurants generally offer a much smaller variety of foods than many of the other restaurants in their vicinity.
——无关
(D) Virtually all potential sites for new Souper restaurants in Danport are located in the vicinity of existing Souper restaurants.
——condition changed
(E) Souper restaurants have always offered meals that are somewhat less expensive than meals at restaurants that compete with Souper for patrons.
——无关。Price
发表于 2012-12-14 11:23:14 | 显示全部楼层
发表于 2013-1-17 11:30:30 | 显示全部楼层
2. Statistician: A financial magazine claimed that its
survey of its subscribers showed that North
Americans are more concerned about their
personal finances than about politics. One
question was: “Which do you think about
more: politics or the joy of earning money?”
This question is clearly biased. Also, the readers
of the magazine are a self-selecting sample.
Thus, there is reason to be skeptical about the
conclusion drawn in the magazine’s survey.



A self-selecting sample is one in which individuals decide whether to participate. As you might expect, only those interested in the topic tend to participate and this creates a bias in the results. Because the survey was of subscribers to a financial magazine and not of the general North American population, those participating in sample are not necessarily representative of North Americans and thus the magazine cannot reliably draw a conclusion about North Americans.
Each of the following, if true, would strengthen the
statistician’s argument EXCEPT:


(A) The credibility of the magazine has been called
into question on a number of occasions.

Since the credibility issues of the magazine, the result conducted by the magazine should be treated highly cautiously, thus strengthening the statistician’s argument.
(B) The conclusions drawn in most magazine
surveys have eventually been disproved.

The same to A.
(C) Other surveys suggest that North Americans are
just as concerned about politics as they are
about finances.

The same to A.
(D) There is reason to be skeptical about the results
of surveys that are biased and
unrepresentative.


The same to A.
(E) Other surveys suggest that North Americans are
concerned not only with politics and
finances, but also with social issues.

Yes, in this case, this answer choice actually has no effect on the argument, thus not strengthening the argument. The comparison referred in the argument is between politics and finances, having no relationship with social issues. BA



9. (24497-!-item-!-188;#058&001429)
Beta Corporation claims that it no longer has enough work for the 60 computer data-entry workers that it is laying off. These workers have heard, however, that the company is buying 100 new computers. So the workers concluded that the company's real reason for laying them off is to fill their jobs with lower-paid workers.
Which of the following, if true, would most undermine the workers' conclusion?

(A) Most of the workers being laid off know how to enter data on a number of different computer systems.

Actually, this answer choice strengthens the argument, since the abilities of the workers being laid off are good, thus meaning that their wages are higher than those of people doing comparable work in other companies.
(B) Orders for almost all of Beta Corporation products have increased over the past year.

This argument does not address the reason of the dismissal.
(C) A recent memorandum from the president of Beta Corporation requested that all data generated by the company be stored in computerized form.

This may help address the reason of purchasing 100 new computers, but it has no effect on the reason of the dismissal.
(D) Beta Corporation's computer data-entry workers are more experienced and hence more highly paid than people doing comparable work in other companies.

The same to A.
(E) Beta Corporation's new computers will allow its current management and sales staff to perform many of the tasks that the data-entry workers were previously doing.

Yes, in this case, this answer choice helps to explanation why the 60 computer data-entry workers are fired, because now management and sales staff can do many of the tasks that the 60 workers were previously doing. And the reason has nothing relationship with lower-paid workers. BA



10. (24867-!-item-!-188;#058&001810)
Which of the following most logically completes the passage?
For the past several years, a certain technology has been widely used to transmit data among networked computers. Recently two data transmission companies, Aptron and Gammatech, have each developed separate systems that allow network data transmission at rates ten times faster than the current technology allows. Although the systems are similarly priced and are equally easy to use, Aptron's product is likely to dominate the market, because __________.

(A) Gammatech has been in the business of designing data transmission systems for several years more than Aptron has

Actually, this answer choice seems to weaken the argument, since more experience would make the products of Gammatech more attractive.
(B) the number of small businesses that need computer networking systems is likely to double over the next few years

This has no effect on the comparison between Aptron’s product and Gammatech’s product.
(C) it is much more likely that Gammatech's system will be expandable to meet future needs

The same to A.
(D) unlike many data transmission companies, Aptron and Gammatech develop computers in addition to data transmission systems

The same to B.
(E) it is easier for users of the current data transmission technology to switch to Aptron's product than to Gammatech's

In this case, the answer choice accurately points out an advantage of Aptro’s product, compared with Gammatech’s product. Bingo!



11. (24915-!-item-!-188;#058&001837)
Radio stations with radio data system (RDS) technology broadcast special program information that only radios with an RDS feature can receive. Between 1994 and 1996, the number of RDS radio stations in Verdland increased from 250 to 600. However, since the number of RDS-equipped radios in Verdland was about the same in 1996 as in 1994, the number of Verdlanders receiving the special program information probably did not increase significantly.
Which of the following is an assumption on which the argument depends?

(A) Few if any of the RDS radio stations that began broadcasting in Verdland after 1994 broadcast to people with RDS-equipped radios living in areas not previously reached by RDS stations.

Even though some RDS radio stations after 1994 broadcast to people with RDS-equipped radios living in areas not previously reached by RDS stations, this answer choice does not strengthen the argument, considering the number of RDS-equipped radios in Verdland was about the same in 1996 as in 1994.

At first I did not think about it carefully, thus making the mistake. When I thought it again, I found it was amazing. In this case, the listeners of RDS would increase between 1994 and 1996, because more people who could not receive the special program information before 1994 would receive it after 1994.
(B) In 1996 most Verdlanders who lived within the listening area of an RDS station already had a radio equipped to receive RDS.

It is opposite to the argument.
(C) Equipping a radio station with RDS technology does not decrease the station's listening area.

It is the opposite answer.
(D) In 1996 Verdlanders who did not own radios equipped to receive RDS could not receive any programming from the RDS radio stations that began broadcasting in Verdland after 1994.

Yes, in this case, it strengthens the argument, since it addresses the hole that Verdlanders who did not own redios equipped to receive RDS could receive some programming from the RDS radio stations that began broadcasting in Verdland after 1994 by the improvement of technology (who say?). It seems to violate the first sentence, but if we use the “negation”, we’ll find that it would weaken the argument. BA

I think I lose the principle in the assumption question. The right answer should comply with the argument. However, this answer is actually opposite to the first sentence in the argument. Although it seems to be attractive, it cannot be true!
(E) The RDS radio stations in Verdland in 1996 did not all offer the same type of programming.

This is irrelevant.



12. (24967-!-item-!-188;#058&001893)
Situation: For five years the Souper restaurant chain has maintained rapid sales growth in Danport, primarily by opening new restaurants that draw patrons away from other restaurants in their vicinity.
Goal: Souper wishes to achieve continued rapid sales growth in Danport over the next two years.
Proposal for consideration: Continue to open new restaurants in Danport during the next two years at the same rate as in the last two years.
In light of the situation, which of the following, if true, most strongly argues that adopting the proposal would be an ineffective way of achieving the goal?

(A) At times at which customers find Souper restaurants too crowded, they often go to other restaurants nearby.

This answer choice, in fact, strengthens the argument.
(B) The Souper chain has generally opened new restaurants in locations that are in the vicinity of a large number of other restaurants.

This has no effect on the argument.
(C) Souper restaurants generally offer a much smaller variety of foods than many of the other restaurants in their vicinity.

Even though this answer choice seems to weaken the argument, the sales of Souper restaurants may increase by adopting the plan, if the food in Souper restaurants is much cheaper and more delicious.
(D) Virtually all potential sites for new Souper restaurants in Danport are located in the vicinity of existing Souper restaurants.

In this case, it cast doubt on the plan, since these new restaurants may compete with existing Souper restaurants, thus making the proposal much less valid. BA
(E) Souper restaurants have always offered meals that are somewhat less expensive than meals at restaurants that compete with Souper for patrons.

This actually strengthens the proposal.
发表于 2013-3-4 17:40:28 | 显示全部楼层
2:37s
e strengthen except
premise:survey said that NA care more about money than about politics
       it is concluded from a simple question
       the sample is flawed
conclusion:the conclusion is not fair
weaken or irrelevant
social issues is out of scope
发表于 2013-3-4 18:14:04 | 显示全部楼层
1:32s
weaken e
premise:corporateion no enough post for lay-off workers
       purchase 100 more computers
conclusion:laid off because hire low paid new workers
rephrase:corporation use computers for other reasons
and won't hire new workers

1;28s
?
e
background: current data trasmating system widely used
premise :G&a new system
        fast
        similar price
conclusion:A is more successful
rephrase:because  it is easier to use
2:52s
assumption
d
...not known
1:41s
d
background: open new store to lure new customers from other restraunt
premise: open new store at the same rate to sustain the growth
conclusion:may not maintain the growth rate
rephrase: may be too many stores at the same place
发表于 2013-7-15 13:55:21 | 显示全部楼层
非常感谢
发表于 2013-9-4 07:14:47 | 显示全部楼层
6'19''
DEEDD
发表于 2013-9-7 11:10:24 | 显示全部楼层
11 (24915-!-item-!-188;#058&001837)
Radio stations with radio data system (RDS) technology broadcast special program information that only radios with an RDS feature can receive.  Between 1994 and 1996, the number of RDS radio stations in Verdland increased from 250 to 600.  However, since the number of RDS-equipped radios in Verdland was about the same in 1996 as in 1994, the number of Verdlanders receiving the special program information probably did not increase significantly.
Which of the following is an assumption on which the argument depends?
(A) Few if any of the RDS radio stations that began broadcasting in Verdland after 1994 broadcast to people with RDS-equipped radios living in areas not previously reached by RDS stations.
(B) In 1996 most Verdlanders who lived within the listening area of an RDS station already had a radio equipped to receive RDS.
(C) Equipping a radio station with RDS technology does not decrease the station's listening area.
(D) In 1996 Verdlanders who did not own radios equipped to receive RDS could not receive any programming from the RDS radio stations that began broadcasting in Verdland after 1994.
(E) The RDS radio stations in Verdland in 1996 did not all offer the same type of programmingng.

Premise: the # of RDS radio stations increased; the # of RDS-equipped radios is about the same.
Conclusion: the # of people receiving the special program information probably did not increase significantly.

For assumption question, use NEGATION technique.
After negation, the options become as below:

(A) most of the RDS radio stations that began broadcasting in Verdland after 1994 broadcast to people with RDS-equipped radios living in areas not previously reached by RDS stations.
If so, the # of people receiving the special program information probably will definitely increase significantly. The negation of option A hurt the conclusion. Thus, A is the correct answer.

B) in 1996, not many people who lived within the listening area of an RDS station already had a radio equipped to receive RDS.
The conclusion still stand.
C) equipping a radio station with RDS technology does decrease the station’s listening area.
The conclusion still stand.
D) in 1996, people who did not own radios equipped to receive RDS could receive programming from the RDS radio stations that began broadcasting after 1994.
The conclusion still stand.
E) the RDS radio stations in 1996 did all offer the same type of programming.
The conclusion still stand.
发表于 2013-9-21 14:49:17 | 显示全部楼层
EEEAD
11.
BG: Ratio stations with RDS broadcast special program information that only radios with an RDS features can receive.
P1: 94-96, more RDS stations in V
P2: 94-96, same nb of RDS-equipped radios in V
C: the nb of Ver receiving special program did not increase.

a. more stations, Ver could not receive.
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