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题目： If $$\sqrt{x}$$ is an integer, what is the value of $$\sqrt{x}$$?(1) $${11}\lt x\lt {17}$$(2) $${2}<\sqrt{x}<{5}$$

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题目： If P and R are positive, is 25 percent of P equal to 10 percent of R?(1) R is 150 percent greater than P.(2) P is 60 percent less than R.

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题目： If x and y are positive, is $$x^{3}\gt{y}$$? (1)$$\sqrt{x}\gt{y}$$(2)$$x\gt{y}$$

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题目： Is the integer n even?(1) n – 5 is an odd integer.(2) n/5 is an even integer.

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题目： Which of the following is closest in value to $${9}^{9}-{9}^{2}$$ ?

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题目： Studies have shown that highway drivers are less likely to drive at speeds greater than the posted speed limit if houses or buildings are in some way visible from the road. Assuming similar car, road and traffic conditions, highway drivers are more likely to drive at speeds in excess of the posted speed limit if the natural surroundings are not interrupted by buildings. Psychologists hypothesize that seeing signs of civilization reminds drivers of their responsibility to the safety of their fellow humans, thus making them more likely to obey the posted speed limit. Which of the following, if true, most strongly supports the psychologists' interpretation of the study?

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题目： The Canadian elk has traditionally been limited in its geographic range by the presence of elderberries, its primary source of food, which only grow up until a certain point in the tundra. A recent rise in temperatures, however, has seen a spread in the growth of elderberries northwards into the tundra. Therefore, the overall range of the Canadian elk can be expected to increase. Which of the following, if true, best casts doubt on the argument?

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题目： In the past decade, two Motorlux models, the T-300, a sports car, and the AG-75, a sports utility vehicle, have been manufactured with the same timing belt, which controls the timing of the engines valves: when the engine is running at a higher RPM, there is more strain on the timing belt. Recent evidence indicates that this particular brand of timing belt has a usable life of about 135,000 miles, somewhat less the 200,000 miles life typical of standard timing belt. Although the same model of timing belt has been used for both models of cars, the incidence of timing belt failure is considerably higher in the AG-75 than in the T-300. This is most likely because ______________________ Which of the following, if true, most logically completes the argument?

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题目： A deadly virus that has claimed the lives of local villagers has been traced to the spotted fruit bat, in which the virus resides between periodic outbreaks. Biologists speculate that the bat might also be one of the reservoirs for a number of other viruses that have led to village fatalities. The local government has proposed to eliminate the spotted fruit bat by cutting off passageways that allow the bat to emerge from its caves. Once the bat is unable to emerge from the caves, the government will have achieved its objective of reducing the number of village deaths attributable to viruses. Which of the following, if true, would best indicate that the government's plan will not lead to its objective?

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题目： Diomedes Motors has just decided to start using Rapilux Tires on most models of its new cars. The tires cost the same as the previous tires, and the change in tires will not change the sticker price of any car, nor will it change the profit on the sale of any particular car. Nevertheless, the CEO of Diomedes Motors expects this change in tires to increase Diomedes' profits in the coming year.Which of the following, if true, provides the best reason for the expectation?

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题目： After the 2010 census, Texas, the second most populous state, has 38 electoral votes, 17 votes less than that of California.

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题目： With a rotational axis tilted nearly parallel to the plane of the Solar System, Uranus exhibits extreme seasons: hemispheres go from continuous sunlight to continuous darkness in its 84-year cycle.

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题目： Shostakovich's Seventh Symphony, which is known as the "Leningrad" Symphony, was composed at the outset of World War Two, made the composer a hero to the Soviet people who embraced the work as a symbol of heroic resistance to Nazism.

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题目： Hannibal chose to invade Roman territory by the northern route, crossing the Alps doing it, instead of by sea.

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题目： The term "cult" has no formal definition in the Study of Religions, but in the popular media, it is a group of people that uses manipulative techniques to brainwash unsuspecting victims.