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题库总题数 9563
做题总人数 122469
平均每天做题人数 2340
  • OG19新题 题目总数:142 做题总人数:8478 平均准确率:75.5%

    2018年6月出版,OG19新题即OG2019综合册里与OG18相比新增的题目。此内容做为官方题源可以帮助大家更好的需要了解考点,了解考试趋势和考官思维。OG建议大家刷3遍,第一遍刷纸质,第二遍计时精刷,第三遍刷错题。做完后记得及时分析总结。

    • 【句子改错SC】-18361 -OG2018

      In 1913, the largely self- taught Indian mathematician Srinivasa Ramanujan mailed 120 of his theorems to three different British mathematicians;only one, G. H. Hardy, recognized the brilliance of these theorems, but thanks to Hardy’s recognition, Ramanujan was eventually elected to the Royal Society of London.

      来源:精选题库 210人已做 650难度 61.4%正确率

    • 【句子改错SC】-18320 -OG21新题

      Unlike historical evidence of weather patterns in other regions of the world, which scientists find abundantly represented in tree rings, ancient glacial ice, or layers of sediment from seasonal plankton, the North Pole's clues about its past climates are almost nonexistent.

      来源:OG21新题 508人已做 其他难度 77%正确率

    • 【句子改错SC】-18315 -OG21新题

      The ages of tropical rain forest trees provide critical information for understanding the dynamics of tree populations, to determine historical patterns of disturbance, developing sustainable forestry practices, and calculating carbon recycling rates.

      来源:OG21新题 503人已做 其他难度 92.8%正确率

    • 【句子改错SC】-18313 -OG21新题

      Just like the Internet today, often being called an “information superhighway,” the telegraph was described in its day as an “instantaneous highway of thought.”

      来源:OG21新题 511人已做 其他难度 59.1%正确率

    • 【句子改错SC】-18309 -OG21新题

      Michelangelo, it is believed, had made his sculpture of David using an eight-inch plaster model that was recently discovered after being lost for nearly 300 years.

      来源:OG21新题 524人已做 其他难度 47.5%正确率

    • 【句子改错SC】-18308 -OG21新题

      Dinosaur tracks show them walking with their feet directly under their bodies, like mammals and birds, not extended out to the side in the manner of modern reptiles.

      来源:OG21新题 605人已做 其他难度 41.5%正确率

    • 【句子改错SC】-18307 -OG21新题

      In the six-month period that ended on September 30, the average number of Sunday papers sold by the company was 81,000 less than the comparable period a year ago.

      来源:OG21新题 515人已做 其他难度 69.9%正确率

    • 【句子改错SC】-18305 -OG21新题

      By skimming along the top of the atmosphere, a proposed new style of aircraft could fly between most points on Earth in under two hours, according to its proponents.

      来源:OG21新题 605人已做 其他难度 59.5%正确率

    • 【句子改错SC】-18303 -OG21新题

      As opposed to adults, pound for pound, children breathe twice as much air, drink two and a half times as much water, eat three to four times as much food, and have more skin surface area.

      来源:OG21新题 518人已做 其他难度 54.4%正确率

    • 【句子改错SC】-18302 -OG21新题

      Upon their first encountering leaf-cutting ants in South America, the insects seemed to some Europeans to be carrying bits of greenery to shade themselves from the tropical sun—hence the sobriquet “parasol ants.”

      来源:OG21新题 610人已做 其他难度 83.6%正确率

最新讨论题目
  • 【句子改错SC】

    A natural response of communities devastated by earthquake or flood is to rebuild on the same site, overlooking the possibility that the forces that caused it could be repeated.

  • 【数据充分DS】

    The annual rent collected by a corporation from a certain building was x percent more in 1998 than in 1997 and y percent less in 1999 than in 1998. Was the annual rent collected by the corporation from the building more in 1999 than in 1997?(1)   x > y(2)   xy/100< x-y

  • 【问题求解PS】

    【OG20-P168-139题】If X is the hundredths digit in the decimal 0.1X and if Y is the thousandths digit in the decimal 0.02Y, where X and Y are nonzero digits, which of the following is closest to the greatest possible value of 0.1X0.02Y  

  • 【数据充分DS】

    Paula and Sandy were among those people who sold raffle tickets to raise money for Club X. If Paula and Sandy sold a total of 100 of the tickets, how many of the tickets did Paula sell?(1) Sandy sold 2/3 as many of the raffle tickets as Paula did.(2) Sandy sold 8 percent of all the raffle tickets sold for Club X.

  • 【句子改错SC】

    Research has shown that when speaking, individuals who have been blind from birth and have thus never seen anyone gesture nonetheless make hand motions just as frequently and in the same way as sighted people do, and that they will gesture even when conversing with another blind person.

  • 【句子改错SC】

    Because 70 percent of the people of India use wood as their sole fuel, ten million acres of forest have been lost there since 1960, resulting in wood now costing eight times as much to collect and distribute than in 1960.

  • 【逻辑CR】

    【OG20-P598-726题】In Wareland last year, 16 percent of licensed drivers under 21 and11 percent of drivers ages 21-24 were in serious accidents. By contrast, only 3 percent of licensed drivers 65 and older were involved in serious accidents. These figures clearly show that the greater experience and developed habits of caution possessed by drivers in the 65-and-older group make them far safer behind the wheel than the younger drivers are. Which of the following is an assumption on which the argument depends?

  • 【逻辑CR】

    Radio stations with radio data system (RDS) technology broadcast special program information that only radios with an RDS feature can receive.  Between 1994 and 1996, the number of RDS radio stations in Verdland increased from 250 to 600.  However, since the number of RDS-equipped radios in Verdland was about the same in 1996 as in 1994, the number of Verdlanders receiving the special program information probably did not increase significantly. Which of the following is an assumption on which the argument depends? 

  • 【逻辑CR】

    In parts of South America, vitamin-A deficiency is a serious health problem, especially among children. In one region, agriculturists hope to improve nutrition by encouraging farmers to plant a new variety of sweet potato called SPK004 that is rich in betacarotene, which the body converts into vitamin A. The plan has good chances of success, since sweet potato is a staple of the region&rsquo;s diet and agriculture, and the varieties currently grown contain little beta-carotene. Which of the following, if true, most strongly supports the prediction that the plan will succeed?  

  • 【阅读RC】

    Which of the following is included in the discussion of the cursorial hypothesis but not in the discussion of the arboreal hypothesis?

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