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Or

题库总题数: 9689
做题总人数: 139241
平均每天做题人数: 2354
  • 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。

    142
    题目总数

    15358
    做题总人数

    78.5%
    平均准确率

    • 【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 4257人已做 650难度 63.4%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 4425人已做 其他难度 78.2%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 4456人已做 其他难度 95.1%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 4538人已做 其他难度 62%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 4552人已做 其他难度 47.9%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 5307人已做 其他难度 43.7%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 4515人已做 其他难度 69.1%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 5397人已做 650难度 60.9%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 4567人已做 其他难度 59.8%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 5414人已做 600难度 85.4%正确率

热门讨论
  • 【逻辑CR】

    Which of the following most logically completes the argument? The irradiation of food kills bacteria and thus retards spoilage.  However, it also lowers the nutritional value of many foods.  For example, irradiation destroys a significant percentage of whatever vitamin B1 a food may contain.  Proponents of irradiation point out that irradiation is no worse in this respect than cooking.  However, this fact is either beside the point, since much irradiated food is eaten raw, or else misleading, since _______. 

  • 【数据充分DS】

    Are there exactly 3 distinct symbols used to create the code words in language Q?(1)  The set of all code words in language Q is the set of all possible distinct horizontal arrangements of one or more symbols, with no repetition.(2)  There are exactly 15 code words in language Q.

  • 【句子改错SC】

    Less than 400 Sumatran rhinos survive on the Malay peninsula and on the islands of Sumatra and Borneo, and they occupy a small fraction of the species` former range.

  • 【句子改错SC】

    In the textbook publishing business, the second quarter is historically weak, because revenues are low and marketing expenses are high as companies prepare for the coming school year.

  • 【句子改错SC】

    Unlike frogs that metamorphose from tadpoles into adults within a one-year period, it takes three to four years for the mountain yellow-legged frog of the Sierra Nevada to reach adulthood, and so they are restricted to deeper bodies of water that do not dry up in summer or freeze solid in winter.

  • 【问题求解PS】

    In a survey of students, each student selected from a list of 12 songs the 2 songs that the student liked best.  If each song was selected 4 times, how many students were surveyed?

  • 【句子改错SC】

    A star will compress itself into a white dwarf, a neutron star, or a black hole after it passes through a red giant stage, depending on mass.

  • 【句子改错SC】

    Mary Wollstonecraft’s A Vindication of the Rights of Woman (1792) was unprecedented in its firsthand accounts of the indignities suffered by women and because it was eloquent and passionate in exposing and criticizing these indignities.

  • 【句子改错SC】

    Over the course of the eighteenth century, the average output of ironwork tripled as a result of several improvements in blowing machinery and because coal replaced charcoal as the fuel used in the smelting of iron ore. 

  • 【问题求解PS】

    【OG20-P179-215题】0.999999991.0001 −0.999999911.0003 = 

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