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43        ASSUMPTION        Scrubbers will reduce harmful emissions more than cleaner-burning fuels will        northern power will be doing the most that can be done to reduce harmful emissions from its plants        找他因，排除推理中的WEAKNESS,将选项取非，原文结论不成立，则为正确选项(E) Aside from harmful emissions from the smokestacks of its plants, the activities of Nortern Power do not cause significant air pollution.        scrubber:a brush or other object used to clean something  smokestack:a chimney or funnel for discharging smoke from a locomotive, ship, factory, etc

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42        SUPPORT        Subway ridership is projected to increase by 20 percent over the next 10 years, The Mooreville Transit Authority plans to increase the number of daily train trps by only 5 percent over the same period.        Officials predict that this increase is sufficient to ensure that the incidence of delays due to crowding does not increase        是其他原因或可能导致该结果(D)Most of the projected increase in ridership is expected to occur in off-peak hours when trains are now sparesely used        ground:理论依据

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40        WEAKEN        there has been increasing publicity about the adverse long term effects on health of the caffeine in coffee        the decrease in coffee consumption must have been caused by consumers'awareness of the harmful dffects of caffeine        是其他原因或可能导致该结果(E)Coffee prices increased steadily in the past decade beause of unusually severe frosts in coffee-growing nations        call into:

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39        EVALUATION THE ARGUMENT        people lack sufficient free time to maintain current television-viewing levels while spending in creasing amounts of free time on the computer        increasing time spent per week using computers reportno change in tme spent watching television        对答案的相反的回答能对原文结论起WEAKEN和SUPPORT作用 (E)Whether the survey respondens' reprts of tmie spent using comupters in cluded tme spent using computers at work

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36        WEAKEN        Offshore oil-drilling operations entail an unavoidable risk of an oil spill, but importing oil tankers presently entails an even greater such risk perbarrel of oil.        to reduce the risk we must invest more in offshore operations and import less oil on tankers         其他原因或可能导致该结果(A) Tankers can easily be redesigned so that their use entails less risk of an oil spill

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35        WEAKEN        Last year the rate of inflation was 1.2 percent, but for the current year it has been 4 percent.        We can conclude that inflation is on an upward trend and the rate will be still higher next year.        是其他原因或可能导致该结果(B)last year a dip in oil prices brought inflation temporarily below its recent stable annual level of 4 percent.

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32        SUPPORT        The Eurasian ruffe,feed on the dggs of lake shitefish ,thus threatening the lake's natural ecosystem.        To help track the ruffe's spread, government agencies have produced wallet -sized cards about the ruffe.The contain pictures of the ruffe and explain the danger they pose;the cards also request anglers to report any ruffle they catch.        原文前提和结论关系不密切：正确选项直接支持结论。本题比较复杂，选项并未直接支持结论，而是支持结论提供的一个解决方法，在支持此解决方法的时候也采用的比较婉转的方式，挖掘选项背后的意义才可以解决本题。（C)Most people who fish recreationally on the Great Lakes are interested in the preservation of the lake whitefish because it is a highly prized game fish.

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31        JUSTIFY THE CONCLUSION        two divisions performed with remarkable consistency over the past three years        in each of those years, the pharmaceuticals division has accounted for roughly 20 percent of dollar sales and 40 percent of profits, and the chemicals division for the balance        用原文结论出现的新元素或推理链,再结合TEST排除充分必要颠倒的混淆选项。PREMISE + ANSWER CHOICE = CONCLUSION©The chemicals division has realized lower profits per dollar of sales than has the pharmaceuticals division        division:the action of separating something into parts or the process of being separated consistency:conformity in the application of something, typically that which is necessary for the sake of logic, accuracy, or fairness  pharmaceuticalf or relating to medicinal drugs, or their preparation, use, or sale 

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30        WEAKEN        The satellites can be repaired only in orbit, astronats are needed to repair them. Without repairs, the satellites would eventually malfunction.        space flights carry astronauts must continue.        其他原因或可能导致该结果(E)Techonical obsolescence of robot satellites makes repairing them more costly and less practical than sending new, improved satellites into orbit.

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28        ASSUMPTION        The only cyclists seriously interested in innovation and willing to pay for it are bicycle racers.        innovation in bicycle technology is limited by what authorities will accept as standard for pruposes of competition in bicycle races        找他因，排除推理中的WEAKNESS。最后用TEST检验或排除易混的答案,将选项取非，原文结论不成立，则为正确选项。(C)Bicycle racers do not generate a strong demand for innovations that fall outside what is officially recognized as standard for purposes of competition