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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 8227
做题总人数 104962
平均每天做题人数 2227
  • OG19新题 题目总数:142   |   做题总人数:2509   |   平均准确率:68.7%

    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。

    • 3253人已做

      600

      (75.9%正确率)

      【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.

    • 10701人已做

      680

      (81.7%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.

    • 11568人已做

      600

      (92.6%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.

    • 6122人已做

      600

      (80%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.

    • 10916人已做

      600

      (94.2%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.

    • 7493人已做

      650

      (82.8%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.

    • 8504人已做

      600

      (65.7%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.

    • 9451人已做

      650

      (75.7%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.

    • 7290人已做

      650

      (71.1%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.

    • 9641人已做

      650

      (63%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.

最新讨论题目

  • 【句子改错SC】 Employment costs rose 2.8 percent in the 12 months that ended in September, slightly less than they did in the year that ended in the previous quarter. 
  • 【句子改错SC】 Naked mole rats form colonies of approximately twenty animals, each of which consists of a singlereproductive female and workers that defend her.
  • 【逻辑CR】 【OG18-P518-577题】Which of the following most logically completes the argument below?Although the number of large artificial satellites orbiting the Earth is small compared to the number of small pieces of debris in orbit, the large satellites interfere more seriously with telescope observations because of the strong reflections they produce. Because many of those large satellites have ceased to function, the' proposal has recently been made to eliminate interference from nonfunctioning satellites by exploding them in space. This proposal, however, is ill conceived, since __________. 
  • 【阅读RC】 The passage is primarily concerned with
  • 【阅读RC】 The primary purpose of the passage is to
  • 【句子改错SC】 In Hungary, as in much of Eastern Europe, an overwhelming proportion of women work, many of which are in middle management and light industry. 
  • 【句子改错SC】 Roughly twice each century the planet Venus passes between the Earth and the Sun, an occasion knownas a transit of Venus, during which it makes the outline of the planet visible in stark relief.
  • 【问题求解PS】 【OG19-P178-213题】From the consecutive integers -10 to 10 inclusive, 20 integers are randomly chosen with repetitions allowed. What is the least possible value of the product of the 20 integers?
  • 【句子改错SC】 【OG19-P707-708题】The Organization of Petroleum Exporting Countries (OPEC) had long been expected to announce a reduction in output to bolster sagging oil prices, but officials of the organization just recently announced that the group will pare daily production by 1.5 million barrels by the beginning of next year, but only if non-OPEC nations, including Norway, Mexico, and Russia, were to trim output by a total of 500,000 barrels a day.
  • 【问题求解PS】 A box contains 100 balls, numbered from 1 to 100. If three balls are selected at random and with replacement from the box, what is the probability that the sum of the three numbers on the balls selected from the box will be odd?

错误最多题目

  • 【破解版07-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.
  • 【破解版07-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.
  • 【OG16-句子改错SC】 Emily Dickinson’s letters to Susan Huntington Dickinson were written over a period beginning a few years before Susan’s marriage to Emily’s brother and ending shortly before Emily’s death in 1886, outnumbering her letters to anyone else. 
  • 【破解版07-句子改错SC】 The investigations of many psychologists and anthropologists support the generalization of there being little that is a significant difference in the underlying mental processes manifested by people from different cultures.
  • 【OG16-句子改错SC】 【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. 
  • 【OG16-句子改错SC】 【OG18-P688-710题】There are several ways to build solid walls using just mud or clay, but the most extensively used method has been the forming of bricks out of mud or clay, and, after some preliminary air drying or sun drying, they are laid in the wall in mud mortar. 
  • 【破解版07-句子改错SC】 More than 300 rivers drain into Siberia's Lake Baikal, which holds 20 percent of the world's fresh water, more than all the North American Great Lakes combined.
  • 【OG16-句子改错SC】 【OG19-P705-702题】Bengal-born writer, philosopher, and educator Rabindranath Tagore had the greatest admiration for Mohandas K. Gandhi the person and also as a politician, but Tagore had been skeptical of Gandhi’s form of nationalism and his conservative opinions about India’s cultural traditions. 
  • 【OG16-句子改错SC】 The Olympic Games helped to keep peace among the pugnacious states of the Greek world in that a sacred truce was proclaimed during the festival's month. 
  • 【OG16-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. 
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