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题目： Depriving the body of carbohydrates, commonly found in many fad diets, may aid in the loss of weight, but it can likely lead to ketosis, which results in muscle loss in a process that itself can often account for much observed weight loss.

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题目： Three medical experts, working together at the same constant rate, can write an anatomy textbook in 24 days. How many additional experts, working together at this same constant rate, are needed to write the textbook in 9 days?

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题目： Note: Figure not drawn to scale.A rectangular yard (white area) is surrounded by a hedge (shaded region) with a length of 15 meters and a width of 12 meters, as shown in the figure above. The area of the yard is equal to the area of the hedge. If the ratio of the length of the hedge to the width of the hedge is the same as the ratio of the length of the yard to the width of the yard, what is the width, in meters, of the yard?

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题目： 3.2□△6If □ and △ each represent single digits in the decimal above, what digit does □ represent?(1)When the decimal is rounded to the nearest tenth, 3.2 is the result(2)When the decimal is rounded to the nearest hundredth, 3.24 is the result.

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题目： A certain company assigns employees to offices in such a way that some of the offices can be empty and more than one employee can be assigned to an office. In how many ways can the company assign 3 employees to 2 different offices?

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题目： If an automobile averaged 22.5 miles per gallon of gasoline, approximately how many kilometers per liter of gasoline did the automobile average? (1 mile = 1.6 kilometers and 1 gallon = 3.8 liters, both rounded to the nearest tenth.)

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题目： What is the maximum integer value of M for which $$\frac{12!}{2^M}$$ is an integer?

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题目： A box contains 10 light bulbs, fewer than half of which are defective. Two bulbs are to be drawn simultaneously from the box. If n of the bulbs in box are defective, what is the value of n?(1)The probability that the two bulbs to be drawn will be defective is $$\frac 1 {15}$$.(2)The probability that one of the bulbs to be drawn will be defective and the other will not be defective is $$\frac 7 {15}$$.

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题目： Two investigative journalists have raised the question whether the new blood pressure drug, Transerythropaxil, has sensitized patients to develop fish allergies. The study was published last month in a major newspaper, and has been picked up by media throughout the country. Lab data has long shown that Transerythropaxil reacts strongly with Eicosapentaenoic acid, found in abundance in fish oil, and this reaction can produce biological irritants. Despite strenuous objections from Transerythropaxil's manufacturer, scientists working in federal labs have just published papers that provide conclusive evidence to the journalists' claim. In the argument given, the two portions in boldface play which of the following roles?

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题目： The National Farm Administration (NFA) has been concerned over the last decade with the struggles of barley growers. Plan: In an effort to support these barley growers, two years ago, the NFA began a program of sending them, each autumn, a free special mix of fertilizer and enzymes designed to multiply barley yield, to be applied the following spring during first growth. This mix had been stunningly successful in multiplying the yield of barley in laboratory conditions. Results: Most barley growers reported little change in their economic status over this two year period. Further information: All barley growers received the shipments, and all used them. Weather conditions have been fair to optimal for barley growth over the past two years. In light of the further information, which of the following, if true, does most to explain the result that followed the implementation of the plan?

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题目： In a certain factory, the union membership was higher in 2010 than in 2008. For the period from 2007 to 2011, the percentage of factory workers that were members of the union remained constant. The statements above, if true, most strongly support which conclusion?

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题目： The average size of marine life that washes up on the shore of the Japanese island Ryukyu is smaller than the average size that washes up on the Western coast of Australia. Giant squid have recently been found washed up on the shores of Ryukyu as well as the Western coast of Australia. It can be concluded that the average size of the giant squids on the shore Ryukyu must be less than that of giant squids washed up on the shores of Western Australia. The argument above can be attacked on the grounds that it does which of the following?

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题目： Scientist: There is a finite amount of helium, which is a key component of MRI magnets, in the world. Because the supply is not renewable, it is frivolous to waste this precious resource on such products as party balloons. Instead, we should use other gases, such as hydrogen, to fill balloons, and the price of helium should be raised significantly to make it prohibitive for such trivial purposes.Which of the following, if true, provides the strongest support for the suggestion that the price of helium should be raised?

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题目： According to the Federal Veterans Administration (VA), a certain county has a relatively high proportion of veterans among its residents, and over the past decade, these veterans have reported a number of health concerns that have not been adequately addressed. The VA does not have its own hospital in this county. Plan: For the past 5 years, the VA has earmarked several million dollars to pay all 18 hospitals in this county to fund short-term and long-term care for veterans. Result: Over the past 5 years, VA surveys have indicated no significant decrease in the number of veterans who say they have health concerns that have not been adequately addressed. Further information: VA surveys indicate that all veterans are aware of the VA funds that would cover their expenses at county hospitals. Veterans in this county span a variety of ages and a variety of health conditions. In light of the further information, which of the following, if true, does most to explain the result that followed the implementation of the plan?

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题目： The number of Tundra swan in an arctic refuge has been steadily dwindling. It has been determined that the majority of the birds have died from lead poisoning, which is contained in the buckshot that hunters use to kill the swan. Local authorities have responded by banning hunting, and the number of hunters cited has since dropped dramatically, yet the number of birds that continue to die each month from lead poisoning has not changed.Which of the following, if true, best resolves the discrepancy above?