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雷哥GMAT题库 我们不一样 考生可终身免费使用

题库总题数 9247
做题总人数 115060
平均每天做题人数 2249
  • OG19新题 题目总数:142 做题总人数:6319 平均准确率:73.6%

    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】-8455 -Manhattan

      The survey showed that children are much more psychologically stable when raised in a family with two parents than in a family where one parent only cares for the child.

      来源:Manhattan 5141人已做 600难度 78.4%正确率

    • 【句子改错SC】-8457 -OG16

      【OG18-P680-668题】In a review of 2,000 studies of human behavior that date back to the 1940s, two Swiss psychologists, declaring that since most of the studies had failed to control for such variables as social class and family size, none could be taken seriously.

      来源:OG16 15396人已做 680难度 82.7%正确率

    • 【句子改错SC】-8458 -OG16

      【OG18-P680-671题】Manufacturers rate batteries in watt-hours; if they rate the watt-hour higher, the longer the battery can be expected to last.

      来源:OG16 17555人已做 600难度 92.5%正确率

    • 【句子改错SC】-8460 -OG16

      Although a surge in retail sales have raised hopes that there is a recovery finally under way, many economists say that without a large amount of spending the recovery might not last.

      来源:OG16 、精选题库 、OG12 9147人已做 600难度 80.1%正确率

    • 【句子改错SC】-8461 -OG16

      【OG18-P680-672题】At the end of the 1930s, Duke Ellington was looking for a composer to assist him-someone not only who could arrange music for his successful big band, but mirroring his eccentric writing style as well in order to finish the many pieces he had started but never completed.

      来源:OG16 16320人已做 600难度 94.1%正确率

    • 【句子改错SC】-8462 -OG16

      Of all the vast tides of migration that have swept through history, maybe none is more concentrated as the wave that brought 12 million immigrants onto American shores in little more than three decades.

      来源:OG16 、OG12 11471人已做 650难度 83.1%正确率

    • 【句子改错SC】-8463 -OG16

      Diabetes, together with its serious complications, ranks as the nation’s third leading cause of death, surpassed only by heart disease and cancer.

      来源:OG16 12450人已做 600难度 64%正确率

    • 【句子改错SC】-8464 -OG16

      【OG18-P682-677题】The intricate structure of the compound insect eye, having hundreds of miniature eyes called ommatidia, help explain why scientists have assumed that it evolved independently of the vertebrate eye.

      来源:OG16 13919人已做 650难度 77.1%正确率

    • 【句子改错SC】-8465 -OG16

      In late 1997, the chambers inside the pyramid of the Pharaoh Menkaure at Giza were closed to visitors for cleaning and repair due to moisture exhaled by tourists, which raised its humidity to such levels so that salt from the stone was crystallizing and fungus was growing on the walls.

      来源:OG16 10613人已做 650难度 72.2%正确率

    • 【句子改错SC】-8466 -OG16

      【OG18-P682-678题】In 1979 lack of rain reduced India’s rice production to about 41 million tons, nearly 25 percent less than those of the 1978 harvest.

      来源:OG16 14074人已做 650难度 61%正确率

最新讨论题目
  • 【阅读RC】

    The discussion of the regional bank(1ines 16-27) serves Which of the following functions within the passage as a whole?

  • 【句子改错SC】

    According to a study published in The New England Journal of Medicine, aspirin prevents blood clots just as well as a commonly used and more expensive blood-thinning drug does.  

  • 【逻辑CR】

    A proposed change to federal income tax laws would eliminate deductions from taxable income for donations a taxpayer has made to charitable and educational institutions. If this change were adopted, wealthy individuals would no longer be permitted such deductions. Therefore, many charitable and educational institutions would have to reduce services, and some would have to close their doors.The argument above assumes which of the following?

  • 【句子改错SC】

    Over 75 percent of the energy produced in France derives from nuclear power, while in Germany it is just over 33 percent. 

  • 【问题求解PS】

    【OG20-P170-157题】A certain experimental mathematics program was tried out in 2 classes in each of 32 elementary schools and involved 37 teachers. Each of the classes had 1 teacher and each of the teachers taught at least 1, but not more than 3, of the classes. If the number of teachers who taught 3 classes is n, then the least and greatest possible values of n, respectively, are

  • 【逻辑CR】

    【OG20-P564-616题】 Economist: In 2015, the average per-person amount paid for goods and services purchased by consumers in Country X was the equivalent of $17,570 in United States dollars, just 30 percent of the corresponding figure of $58,566 for Country Y. Yet in 2015, there was already a substantial middle class in Country X  that had discretionary income for middle-class consumer goods such as new vehicles, computers, or major household appliances, while a significant portion of the middle class in Country Y did not have sufficient income to purchase such items.Which of the following, if true, most helps explain the discrepancy in the relationships described by the economist? 

  • 【数据充分DS】

    Tami purchased several identically priced metal frames and several identically priced wooden frames for a total pretax price of $144. What was the total pretax price of the metal  frames that Tami purchaseds?(1)The price of each wooden frame was 60% greater than the price of each wooden frame.(2)Tami purchased twice as many wooden frames as metal frames.

  • 【问题求解PS】

    【OG20-P155-62题】In the xy-plane, the origin O is the midpoint of line segment PQ. If the coordinates of P are (r,s), what are the coordinates of Q ?

  • 【句子改错SC】

    In the mid-1920s the Hawthorne Works of the Western Electric Company was the scene of an intensive series of experiments that would investigate changes in working conditions as to their effects on workers' performance.

  • 【数据充分DS】

    【OG20-P291-427题】What is the number of cans that can be packed in a certain carton?(1) The interior volume of this carton is 2,304 cubic inches.(2) The exterior of each can is 6 inches high and has a diameter of 4 inches.

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