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题目： How many different positive integers are factors of 441?

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题目： Was Lisa's annual salary at least twice as much as Julie's annual salary?(1) Lisa's annual salary was $20,000 more than Julie's annual salary.(2) Lisa's annual salary was less than $40,000.

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题目： "Life expectancy" is the average age at death of the entire live-born population. In the middle of the nineteenth century, life expectancy in North America was 40 years, whereas now it is nearly 80 years. Thus, in those days, people must have been considered old at an age that we now consider the prime of life.Which of the following, if true, undermines the argument above?

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题目： Senator Baxter's suggestion of the United States being able to cut all dependence on foreign oil by 2025 raised great controversy in the press.

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题目： The Battle of Antietam, on September 17, 1862 between Lee's Confederates and the Army of the Potomac under McClellan, ranks as the bloodiest single-day battle in American history, with almost 23,000 casualties from the two sides.

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题目： In order to qualify for the Mircoline Bus driver application process, an individual must have no moving traffic violations, felonies, and anything else that indicates unreliability.

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题目： The Pali Canon, the collection of the scriptures of Theravada Buddhism, easily would fill a large bookcase, unlike the three great Western Religions, which have single book scriptures, and it is ironical because Buddhism is much less text-based than are their Western counterparts.

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题目： Mozart himself was a piano virtuoso, and the piano parts of his piano concerti, especially the mature work composed in 1784 and after, have astonishingly difficult finger work, that has demanded incomparable technique to produce the required elegance and precision.

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题目： What the eye sees, if it is at all different from what the brain visually perceives, then this distinction is, for practice purposes, meaningless.

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题目： Whereas both Europe and China use standard railroad gauge (1435 mm), Russia deliberately chose the wider "Russian gauge" (1520 mm) that gives greater side-to-side stability in railways cars and, more importantly, acts as a national defense, so that it would block a foreign army's supply line and preventing these bordering powers from invading by train.

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题目： The CEO said that opening new markets in China, especially in Shanghai, and in the developing economies of southeast Asia, such as Vietnam, where the corporation's sales revenue has been the most robust over the past three years, and this course of action gives the most support to their long term vision for an international presence in the sector.

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题目： An increase in the number of protons, when unaccompanied correspondingly by an increase in the number of neutrons, almost always produce an unstable isotope of an element higher on the Periodic Table.

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题目： China was united under the Qin and Han before Buddhism would have been introduced, united again four centuries later in the Tang Dynasty, a time now regarded as the "golden age" of Chinese Buddhism.

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题目： Unlike Walt Whitman's gregariousness, Henry David Thoreau had far more of a penchant for lingering in the stillness of the forest than to soak up the energy of a bustling crowd.

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题目： If Rome did not fall, the Dark Ages had not been so severe throughout Europe.