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OG CR 173

看不懂选项。被否定糊涂了。

Researchers have found that when very overweight people, who tend to have relatively low metabolic rates, lost weight primarily through dieting, their metabolisms generally remain unchanged. They will thus burn significantly fewer calories at the new weight than do people whose weight is normally at that level. Such newly thin persons will, therefore, ultimately regain weight until their body size again matches their metabolic rate.

The conclusion of the argument above depends on which of the following assumptions?

Relatively few very overweight people who have dieted down to a new weight tend to continue to consume substantially fewer calories than do people whose normal weight is a厅 that level.

OG CR177

解释题：没什么思路L

Products sold under a brand name used to command premium prices because, in general, they were superior to nonbrand rival products. Technical expertise in product development has become so widespread, however, that special quality advantages are very hard to obtain these days and even harder to maintain. As a consequence, brand-name products generally neither offer higher quality nor sell at higher prices. Paradoxically, brand names are a bigger marketing advantage than ever.

Which of the following, if true, most helps to resolve the paradox outlined above?

brand names are taken by consumers as a guarantee of getting a products.

Consumers recognize that he quality of products sold under invariant brand names can drift over time.

IN many acquisitions of one corporation by another, the acquiring corporation is interested more in acquiring the right to use certain brand names that in acquiring existing production facilities.

In the days when special quality advantages were easier to obtain than they are now, it was also easier to get new brand names established.

The advertising of a company’s brand-name products is at times transferred to a new advertising agency, especially when sales are declining.

OG CR 170

不混了，稳定在4/10的错误率….

The proposal to hire tem new police officers in M is quite foolish. There is sufficient funding to pay the salaries of the new officers, but not the salaries of additional court and prison employees to process the increased caseload of arrests and convictions that new officers usually generate.

E of police officers to citizens has reached a level at thich an increase in the number of officers will have a deterrent effect on crime.

D In most US cities, not all arrests result in convictions, and not all convictions result in prison terms.

D 错在哪里？无关选项（因为提到的是“in must US cities”）? 还是因为没有反对“the increased caseload of arrests and convictions”? 只反对了“the salaries of additional court and prison employees”?

163. An overly centralized economy, not the changes in the climate, is responsible for the poor agricultural production in Country X since its new government came to power. Neighboring Country Y has experienced the same climatic conditions, but while agricultural production has been falling in Country X, it has been rising in Country Y.

Which of the following, if true, would most weaken the argument above?

D. The crops that have always been frown in Country X are different from those that have always been grown in Country Y.

whereas Country Y is landlocked, Country X has a major seaport.

为什么选d？无关选项啊？文章不是说不是climate,那weaken 应该说“是climate”啊。B不就是说地理位置的不同？（但地理导致气候不同是要被重新推的。）

OG CR 155

The proportion of women among students enrolled in higher education programs has increased over the past decades. This is partl shown by the fact that in 1959, only 11 percent of the women between 20 and 21 were enrolled in college, while in 1981, 30% of the women between 20 and 21 were enrolled in college.

To evaluate the argument above, it would be most useful to compare 1959 and 1981 with regard to which of the following characteristics?

D. the percentage of men between 20-21 who were enrolled in college.

选不出来。为什么要知道男生？除了女生不就是男生么？难道这也算common sense，必须要文章告知才能成立？

United State hospitals have traditionally relied primarily on revenues from paying patients to offset losses from unreimbursed care. Almost all paying patients now rely on governmental or private health insurance to pay hospital bills. Recently , insurers have been strictly limiting what they pay hospitals for the care of insured patients to amounts at or below actual costs. (没读懂，划线部分的costs是指什么？insurers收到的费用or医院的成本？保险公司和医院是什么关系？)

Which of the following conclusions is best supported by the info above?

B. if hospitals do not find ways of raising additional income for unreimbursed care, they must either deny some of that care or suffer losses if they give it. (correct)

D. If the hospitals reduce their costs in providing care, insurance companies will maintain the current level of reimbursement, thereby providing more funds for unreimbursed care. (why not D?)

OG 137

A study of marital relationships in which on partner’s sleeping and waking cycles differ from those of the other partner reveals that such couples share fewer activities with each often and have more violent arguments that do couples in a relationship in which both partners follow the same sleeping and waking patterns. Thus, mismatched sleeping and waking cycles can seriously jeopardize a marriage.

Which of the following, if thus most seriously weaken the argument above?

married couples in which both spouses follow the same sleeping and waking patterns also occasionally have arguments that can jeopardize the couple’s marriage.

D. people in unhappy marriages have been found to express hostility by adopting a different sleeping and waking cycle from that of their spouses.

选d; why not a? different sleep&wake cycle > few act.&violent argue> jeopardize a marriage. 所以a 说，有共同生活习惯的夫妻虽然偶有争吵，但仍是jeopardize a marriage. 也就是，除了文中提及的原因，还有其他原因使之达到同一结果。