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25        SUPPORT        Some of these cereals provide 100percent of the recommended daily requirement of vitamins.        a well-balanced breakfast, including a variety of foods, is abettersource of those vitamins than are such fortified breadfast cereal alone        假设类支持：将原文的推理中的GAP填补。消除原文的推理缺陷。(A)In many foods, the natural combination of vitamins with other nutrients makes those vitamins more usable by the body than are vitamins added in vitamin supplements

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26        JUSTIFY THE CONCLUSION        polygraph test means that the test has failed to show whether the examinee was truthful or untruthful        employers will wometimes refuse to hire a job applicant because of an inconclusive polygraph test result        "用原文结论出现的新元素或推理链,去找答案，再结合TEST排除充分必要颠倒的混淆选项。TEST：PREMISE + ANSWER CHOICE = CONCLUSION©An in conclusive polygraph test result is sometimes unfairly held against the examinee
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27        EVALUATION THE ARGUMENT        automobile insurance for collision damage has always cost more in Greatport than in Fairmont.cars owned by Greatport residents are slightly less likely to be involved in a collision than cars in Fairmont.        insurance companies are making a greater profit on collision-damage insurance in Greatport than in Fairmont        用结论的具体性去区分有关无关(B) the cost of repairing collision damage in Greatport with the cost of repairing collision damage in Fairmont.

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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

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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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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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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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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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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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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