揽瓜阁逻辑做题小分队 第107天

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Although homeowners' energy conservation upgrades often pay for themselves in the long run, many homeowners cannot afford the upfront costs. So, to promote home energy conservation, a provincial government plans to pay the initial costs for homeowners' energy conservation upgrades. Homeowners who receive this benefit will then pay the province back with interest over the next decade through surcharges on their property taxes.
Which of the following, if true, provides the strongest grounds for doubting that the government's plan, if implemented, will be effective?
A. Many homeowners in the province have not made energy conservation upgrades mainly because they are unaware of the potential savings.
B. For most home upgrades under the plan, the annual property tax surcharges will be lower than the annual savings from reduced energy usage.
C. Other provincial governments have successfully implemented several other less expensive methods of promoting home energy conservation.
D. Even if a few homeowners make energy conservation upgrades, the province's overall energy usage will still be excessive.
E. Most banks in the province readily offer loans for home renovations on much more favorable terms than those the government plans to offer.



In a national survey, 50 percent of the surveyed households reported having credit card debt. But credit card companies reported that 76 percent of the nation's households owed them money. However, detailed follow-up investigations found that almost none of the surveyed households had reported their credit card debt inaccurately and that the credit card companies' reports were also accurate.
Which of the following, if true, would most help resolve the apparent discrepancy described above?
A. Many of the surveyed households did not answer the question about their credit card debt.
B. In several other surveys, even households that tried to report their debt levels honestly have tended to significantly underestimate their overall debt
C. In the nation as a whole, 50 percent of the households owe about 76 percent of the total household debt owed to credit card companies.
D. The method of choosing households for the survey was unintentionally biased toward selecting households that were especially likely to have credit card debt.
E. At least 26 percent of the surveyed households owed money to lenders other than credit card companies.



参考答案：
EA

Conlinsanta

看一下！               

CaryX

Mark一下！               

NCse

zyycn

1、方案：ZF提供经济支持、第二年再还利息，目标：提高节能设备的使用
问weaken
思考：方案论证，考虑削弱方案有效性或方案副作用

A：大家不用是因为不知道能节省这么多钱。反驳前提。
B：利息比每年节省的钱少。方向反。
C：其他ZF使用的节能设备更便宜。与现在这个方案能否成功无关，且没说是不是便宜到人们能支付得起。
D：即使一些人用了，整体能源消耗还是很多。与方案无关。
E：银行的条款更好。正确，人们就会转而考虑银行方案，该方案就达不到目标了。

选E

2、被调查的家庭中的50%说他们有信用卡，信用卡公司说76%的家庭欠了他们账。
问explain
思考：调查样本问题

A：很多被调查家庭没有回答信用卡问题。正确，所以数据少于实际情况。
B：人们低估了债务。反驳前提。
C：50%的家庭占了76%的债务金额。混淆信用卡数占比和债务金额占比。
D：样本偏向于选取有信用卡的人。方向反。
E：至少26%的人有其他借贷方式。无关。

选A