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官方指南

OG20官方指南,建议同学们刷3遍。

第一遍做题了解题型和考点,第二遍精刷,第三遍集中解决疑难问题。建议考生第一遍刷题采用官方正版纸质书籍。

若遇到疑难问题,欢迎在此专区查阅解析,提供解析,参与题目讨论,与所有考生一起解决疑难问题。
热门讨论
  • 【问题求解PS】

    【OG20-P161-97题】In quadrilateral ABCD above, what is the length of AB?

  • 【阅读RC】

    The passage suggests which of the following about the managers mentioned in the highlighted text?

  • 【句子改错SC】

    There are no legal limits, as there are for cod and haddock, on the size of monkfish that can be caught, a circumstance that contributes to their depletion through overfishing. 

  • 【阅读RC】

    According to the passage, the rationalist and human relations schools of management are alike in that they

  • 【句子改错SC】

    To meet the rapidly rising market demand for fish and seafood, suppliers are growing fish twice as fast as their natural growth rate, cutting their feed allotment by nearly half and raising them on special diets.

  • 【句子改错SC】

     【OG18-P692-730题】In 1850, Lucretia Mott published her Discourse on Women, arguing in a treatise for women to have equal political and legal rights and for changes in the married women's property laws. 

  • 【句子改错SC】

    The Achaemenid empire of Persia reached the Indus Valley in the fifth century B.C., bringing the Aramaic script with it, from which was derived both northern and southern Indian alphabets.

  • 【句子改错SC】

    In her later poems, Phyllis Wheatley's blending of solar imagery, Judeo-Christian thought and figures, and the images she borrowed from ancient classicism suggesting her range and depth of influences, not the least of which is her African heritage.

  • 【逻辑CR】

    Frobisher, a sixteenth-century English explorer, had soil samples from Canada's Kodlunarn Island examined for gold content. Because high gold content was reported, Elizabeth I funded two mining expeditions. Neither expedition found any gold there. Modern analysis of the island's soil indicates a very low gold content. Thus the methods used to determine the gold content of Frobisher‘s samples must have been inaccurate.Which of the following is an assumption on which the argument depends?

  • 【逻辑CR】

    Southington University's fund-raisers succeeded in getting donations from 80 percent of the potential donors they contacted this year. This rate would be the expected rate if the only potential donors contacted were those who have donated in the past. But good fund-raisers constantly contact less likely prospects in an effort to expand the donor base. Thus the high success rate, far from showing that the fund-raisers did a good job, shows insufficient canvassing effort.Which of the following, if true, most seriously weakens the argument?

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  • 【逻辑CR】

    Ozone in the stratosphere blocks deadly ultraviolet rays from the sun, but  chlorofluorocarbons (CFCs) in aerosols and other products have thinned this protective layer.  Evidence of this is the ozone hole that forms over the South Pole every Antarctic spring as  temperatures drop bel...

  • 【逻辑CR】

    Most geologists believe oil results from chemical transformations of hydrocarbons derived from organisms buried under ancient seas. Suppose, instead, that oil actually results from bacterial action on other complex hydrocarbons that are trapped within the earth. As is well known, the volume of these...

  • 【逻辑CR】

     Columnist: Metro City has a lower percentage of residents with humanities degrees than any other city of comparable size in our nation. Nationwide, university graduates generally earn more than people who are not university graduates, but those with humanities degrees typically earn less than ...

  • 【逻辑CR】

    Manufacturers sometimes discount the price of a product to retailers for a promotion period  when the product is advertised to consumers. Such promotions often result in a dramatic  increase in amount of product sold by the manufacturers to retailers. Nevertheless, the  manufacturers ...

  • 【逻辑CR】

    Scientist: In an experiment, dogs had access to a handle they could pull to release food into a nearby enclosure that contained a familiar dog and nothing else, contained an unfamiliar dog and nothing else, or was empty. The dogs typically released more food to the familiar dog than to the unfamilia...

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