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TEST14 CRITICAL REASONING 2(4)
文章出处:  发布时间:2006-07-09


(E) The recent recession contributed to the growing preponderance of service jobs over manufacturing jobs

Questions 11 ?12

Beverage company representative: the plastic rings that hold six-packs of beverage cans together pose a threat to wild animals, which often become entangled in the discarded rings and suffocate as a result. Following our lead, all beverage companies will soon use only those ring consisting of a new plastic that disintegrates after only three days' exposure to sunlight. Once we all complete the switchover from the old to the new plastic rings, therefore, the threat of suffocation that plastic rings pose to wild animals will be eliminated.

11. The argument depends on which one of the following assumptions?

(A) None of the new plastic rings can disintegrate after only two days' exposure to sunlight

(B) The switchover to the new plastic rings can be completed without causing significant financial hardship to the beverage companies

(C) Wild animals will not become entangled in the new plastic rings before the rings have had sufficient exposure to sunlight to disintegrate

(D) Use of the old plastic rings poses no substantial threat to wild animals other than that of suffocation

(E) Any wild animal that becomes entangled in the old plastic rings will suffocate as a result

12. Which one of the following, if true, most seriously weakens the representative's argument?

(A) The switchover to the new plastic rings will take at least two more years to complete

(B) After the beverage companies have switched over to the new plastic rings, a substantial number of the old plastic rings will persist in most aquatic and woodland environments

(C) The new plastic rings are slightly less expensive than the old rings

(D) The new plastic rings rarely disintegrate during shipping of beverage six-packs because most trucks that transport canned beverages protect their cargo from sunlight

(E) The new plastic rings disintegrate into substances that are harmful to aquatic animals when ingested in substantial quantities by them

13. Alcohol consumption has been clearly linked to high blood pressure, which increases the likelihood of developing heart disease. Yet in a study of the effects of alcohol consumption., the incidence of heart disease was lower among participants who drank moderate quantities of alcohol every day than it was among participants identifies as nondrinkers.

Which one of the following, if true, most helps to resolve the apparent discrepancy in the information above?

(A) Because many people who do not drink alcohol are conscious of their health habits, they are likely to engage in regular exercise and to eat nutritionally well-balanced meals

(B) Many of the participants identifies as nondrinkers were people who had been heavy drinkers but had stopped drinking alcohol prior to participating in the study

(C) Some of the participants who drank moderate quantities of alcohol every day said that they occasionally drank large quantities of alcohol

(D) Some of the participants who drank moderate quantities of alcohol every day had high blood pressure

(E) The two groups of participants were similar to each other with respect to the participants' age, sex, geographical origin, and economic background

14. Some of the world's most beautiful cats are Persian cats. However, it must be acknowledged that all Persian cats are pompous, and pompous cats are invariably irritating.

If the statements above are true, each of the following must also be true on the basis of them EXCEPT:
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