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Since the 1970s, scientists have believed that an asteroid once landed in the Gulf of Mexico and released ash causing a darkening of the sky by 10 to 20 percent over the ensuing decade, which inhibited photosynthesis and leading to the extinction of countless species on Earth.
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To Dr. Charles Lauritsen and Commander Sherman Burroughs, the Mojave could house a naval facility long before the desert was commonly thought of for such uses, and in 1943 the Navy established the area of China Lake as a naval ordinance test station.
OG12 OG15 OG16 OG17 GWD PREP08 Test 1 OG18 OG19 OG20 OG2022 Heavy commitment by an executive to a course of action, especially if it has worked well in the past, makes it likely to miss signs of incipient trouble or misinterpret them when they do appear.
OG18-语文分册 Budget constraints have made police officials consider reassigning a considerable number of officers from traffic enforcement to work on higher-priority, serious crimes. Reducing traffic enforcement for this reason would be counterproductive, however, in light of the tendency of criminals to use cars when engaged in the commission of serious crimes. An officer stopping a car for a traffic violation can make a search that turns up evidence of serious crime.Which of the following, if true, most strengthens the argument given?
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According to the passage, which of the following statements regarding the term glass ceiling is true?
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Invented for use in short wavelength radar during WWII, the cavity magnetron, which was able to produce electromagnetic waves at a lower frequency than had previously been possible, was the basis for the development of the common microwave oven.
Magoosh Research has shown that shoppers who purchase garments in a "luxury" material, such as cashmere or angora, are likely to purchase garments in more than one other luxury materials, as well. A recent livestock disease has significantly reduced the amount of cashmere available on the market. This, in turn, has driven up the prices of the cashmere products still available for purchase. We can therefore conclude that more people will be buying angora items of clothing this year than they did in previous years.Which of the following, if true, best supports the claim that more people will be buying angora clothing this year?
Magoosh The Dvorak keyboard requires less finger movement than the ubiquitous QWERTY keyboard. As a result, Dvorak keyboard users are not only able to type more words per minute, but are also less vulnerable to both repetitive stress disorder and carpal tunnel syndrome. Nonetheless, businesses, as well as consumers, have not adopted the Dvorak keyboard. Clearly, if the Dvorak keyboard is to become more widely used, its benefits must be more widely touted. Which of the following, if true, casts the most doubt on the author's conclusion?
Magoosh It can be most reasonably inferred that those on the side of the debate endorsing standard medical trials are likely to believe which of the following?
A cost-effective solution to the problem of airport congestion is to provide high-speed ground transportation between major cities lying 200 to 500 miles apart.The successful implementation of this plan would cost far less than expanding existing airports and would also reduce the number of airplanes clogging both airports and airways.Which of the following, if true, could proponents of the plan above most appropriately cite as a piece of evidence for the soundness of their plan?
OG12 OG15 OG16 OG17 OG18 In order to reduce the number of items damaged while in transit to customers, packaging consultants recommended that the TrueSave mail-order company increase the amount of packing material so as to fill any empty spaces in its cartons. Accordingly, TrueSave officials instructed the company's packers to use more packing material than before, and the packers zealously acted on these instructions and used as much as they could. Nevertheless, customer reports of damaged items rose somewhat.Which of the following, if true, most helps to explain why acting on the consultants' recommendation failed to achieve its goal?
OG12 OG15 OG16 OG17 PREP08 Test 1 OG18 Laos has a land area about the same as Great Britain but only four million in population, where many are members of hill tribes ensconced in the virtually inaccessible mountain valleys of the north.
GWD PREP2012 The author cites Hallam (line 42) on the ice ages primarily in order to
GWD 201993测试 Which of the following best describes the function of the sentence "Neither raccoons...songbird nests" (highlight) in the context of the passage as a whole?
PREP2012 PREP07 Test 2 The passage suggests that modern multinationals differ from early chartered trading companies in that
PREP2012 According to the theory and research discussed in the first paragraph of the passage, which of the following may be true of firms that use teams to develop their strategic plans?
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City budget advisor: If Thomaston wants to decrease its unemployment rate, it should lower the minimum wage, so companies can hire more employees. Records from neighboring cities show that whenever the minimum wage is lowered, within three years the city’s unemployment rate decreases by 1 to 2 percent.

Which of the following would it be most helpful to know in order to assess the city budget advisor’s suggestion?
OG20-语文分册 The author most probably regards the tamarins studied in Manu National Park as
OG12 OG15 The passage implies that which of the following steps would be the first performed by explorers who wish to maximize their chances of discovering gold?
GWD PREP08 Test 1 According to the passage, the gravitational compensation referred to in highlight text is caused by which of the following?