【每日逻辑练习第二季】【2-7】

winghyy

精炼题
35s-support
Rats who have high level of G are more likely to choose fatty foods. Therefore, G causes rats to choose fatty foods.
Prephase: Rats who don't have high levels of G will  choose lean foods.
(A) The craving for fatty foods does not invariably result in a rat’s choosing those foods over lean foods.-irrelevant
(B) The brains of the rats that consistently chose to eat fatty foods did not contain significantly
more fat than did the brains of rats that consistently chose lean foods.——irrelevant (fat)
(C) The chemical components of galanin are present in both fatty foods and lean foods.
——irrelevant
(D) The rats that preferred fatty foods had the higher concentrations of galanin in their
brains before they were offered fatty foods.——support
(E) Rats that metabolize fat less efficiently than do other rats develop high concentrations ofgalanin in their brains. ——weaken (fatty foods cause high concentrations of G)
选D

这题蒙对的。。。The answer D strengthens the argument by eliminating the
possibility that the stated causal relationship is reversed: if the rats had higher concentrations of galanin
prior to eating the fatty foods, then the fatty foods cannot be the cause of the higher concentration of
galanin. As discussed earlier in the chapter, this approach strengthens the argument by making it more
likely that the author had the original relationship correct. 排除两者关系颠倒

winghyy

PREP逻辑链
33. 41s-evaluation
As the demand for hotel rooms has increased, the prices of hotel rooms increased, too. It is estimated that this trend will continue. A real-estate developer plans to convert some office building to hotels in order to maximize
its revenues.
选B

34. 44s-weaken
When the demand for a factory's products is high, more money is spent on the safety, causing less accident.
Prephase:Employees work overtime, so the total accident increases.
选B

35.57s-evaluation
It is illegal to advertise prescription medications to the general population, since the general population will be misleaded. However, because the physicians have the final say as to whether to prescribe medication, the advertising to general populations is feasible.
选E

36.40s-weaken
Airways D are safer than S, in terms of the frequency of accidents and the severity of accidents. Although the fare of D is more expensive than S, I will chose D.
Prephase: D did not record the accidents accurately.
选A