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 107447
平均每天做题人数 2220
  • OG19新题 题目总数:142   |   做题总人数:3455   |   平均准确率:69.8%


    • 3778人已做




      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.

    • 11944人已做




      【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.

    • 13074人已做




      【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.

    • 6887人已做




      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.

    • 12280人已做




      【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.

    • 8504人已做




      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.

    • 9501人已做




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

    • 10612人已做




      【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.

    • 8182人已做




      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.

    • 10835人已做




      【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.


  • 【逻辑CR】 【OG19-P517-566题】Many agriculturally intensive areas of the world are beginning to encounter water scarcity problems. As a result, many farmers in these areas are likely to reduce their output as the water supply they need in order to maintain production shrinks. However, one group of farmers in such a region plans to increase their production by implementing techniques for water conservation.Which of the following, if true, would most strongly support the prediction that the group’s plan will succeed?
  • 【逻辑CR】 Studies in restaurants show that the tips left by customers who pay their bill in cash tend to be larger when the bill is presented on a tray that bears a credit-card logo.  Consumer psychologists hypothesize that simply seeing a credit-card logo makes many credit-card holders willing to spend more because it reminds them that their spending power exceeds the cash they have immediately available.Which of the following, if true, most strongly supports the psychologists’ interpretation of the studies?
  • 【逻辑CR】 The spacing of the four holes on a fragment of a bone flute excavated at a Neanderthal campsite is just what is required to play the third through sixth notes of the diatonic scale—the seven-note musical scale used in much of Western music since the Renaissance.  Musicologists therefore hypothesize that the diatonic musical scale was developed and used thousands of years before it was adopted by Western musicians.Which of the following, if true, most strongly supports the hypothesis? 
  • 【句子改错SC】 The soft drink company's flat earnings for the second quarter reflect the success of both its restructured global bottling system and the extent to which poor currency exchange rates keep down profits for multinational companies  
  • 【句子改错SC】 Approved April 24, 1800, the act of Congress that made provision for the removal of the government of the United States to the new federal city, Washington, D.C., also established the Library of Congress. 
  • 【阅读RC】 The passage suggests which of the following about the “writers on management” mentioned in line 12?
  • 【逻辑CR】 【OG19-P532-618题】Transportation expenses accounted for a large portion of the tota丨 dollar amount spent on trips for pleasure by residents of the United States in 1997, and about half of the total dollar amount spent on transportation was for airfare. However, the large majority of United States residents who took trips for pleasure in 1997 did not travel by airplane but used other means of transportation.If the statements above are true, which of the following must also be true about United States residents whotook trips for pleasure in 1997 ?
  • 【逻辑CR】 【OG19-P527-599题】Politician: Hybrid cars use significantly less fuel per kilometer than nonhybrids. And fuel produces air pollution, which contributes to a number of environmental problems. Motorists can save money by driving cars that are more fuel efficient, and they will be encouraged to drive hybrid cars if we make them aware of that fact. Therefore, we can help reduce the total amount of pollution emitted by cars in this country by highlighting this advantage of hybrid cars.Which of the following, if true, would most indicate a vulnerability of the politician’s argument?
  • 【句子改错SC】 【OG19-P723-787题】The World Wildlife Fund has declared that global warming, a phenomenon most scientists agree to be caused by human beings in burning fossil fuels, will create havoc among migratory birds by altering the environment in ways harmful to their habitats. 
  • 【逻辑CR】 Often patients with ankle fractures that are stable, and thus do not require surgery, are given follow-up x-rays because their orthopedists are concerned about possibly having misjudged the stability of the fracture. When a number of follow-up x-rays were reviewed, however, all the fractures that had initially been judged stable were found to have healed correctly. Therefore, it is a waste of money to order follow-up x-rays of ankle fracture initially judged stable. Which of the following, if true, most strengthens the argument? 


  • 【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. 
  • 【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】 【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. 
  • 【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】 【OG19-P717-756题】Combining enormous physical strength with higher intelligence, the Neanderthals appear as equipped for facing any obstacle the environment could put in their path, but their relatively sudden disappearance during the Paleolithic era indicates that an inability to adapt to some environmental change led to their extinction. 
  • 手机注册
  • 邮箱注册



  • 图标


  • 图标


  • 图标


  • 图标


  • 图标


  • 图标


立即开通 暂不开通