本题库为OG16版的题目。OG 即Official Guide 官方指南，是备考GMAT的必备资料。本题库的OG题目练习，帮助你进一步发现薄弱知识点和易错题型。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。
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The Glass House Mountains in Queensland,Australia, were sighted in 1770 by the English navigator Captain James Cook, by whom they were named supposedly because its sheer wet rocks glistened like glass.
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Marcia's bucket can hold a maximum of how many liters of water?(1) The bucket currently contains 9 liters of water.(2) If 3 liters of water are added to the bucket when it is half full of water, the amount of water in the bucket will increase by 1/3.
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If x, y, and z are positive integers, is x - y odd?(1) x = z2(2) y=(z-1)2
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Is n an integer?(1) n2 is an integer.(2) √n is an integer.
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What is the value of (2t+t-x)/(t-x)?(1)2t/(t-x)=3(2) t-x = 5
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If n is apositive integer, is (1/10)n ＜0.01?(1) n＞2(2) (1/10)n-1＜0.1
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Gortland has long been narrowly self-sufficient in both grain and meat. However, as per capita income in Gortland has risen toward the world average, per capita consumption of meat has also risen toward the world average, and it takes several pounds of grain to produce one pound of meat. Therefore, since per capita income continues to rise, whereas domestic grain production will not increase, Gortland will soon have to import either grain or meat or both. Which of the following is an assumption on which the argument depends?
If k is an integer greater than 1, is k equal to 2r for some positive integer r ?(1) k is divisible by 26.(2) k is not divisible by any odd integer greater than 1.
If w, x, y, and z are integers such that w/x and y/z are integers, is w/x + y/z odd?(1) wx + yz is odd.(2) wz + xy is odd.
When positive integer x is divided by 5, the remainder is 3; and when x is divided by 7, the remainder is 4. When positive integer y is divided by 5, the remainder is 3; and when y is divided by 7, the remainder is 4. If x > y, which of the following must be a factor of x - y?
Most of Portugal’s 250,000 university students boycotted classes in a one-day strike to protest a law that requires them to contribute $330 a year toward the cost of higher education, previously paying $7 per year.
Critical-thinking instruction is predicted on two assumptions: that there are clearly identifiable thinking skills that students can be taught to recognize and apply appropriately, and if recognized and applied, students will become more effective thinkers.
The city has proposed a number of water treatment and conservation projects the cost of which raises water bills high enough so that even environmentalists are beginning to raise alarms.
Not only did the systematic clearing of forests in the United States create farmland (especially in the Northeast) and gave consumers relatively inexpensive houses and furniture, but it also caused erosion and very quickly deforested whole regions.
The number of plant and animal species that humans are known to have forced to extinction in the last half millennium is over 800.
Trans World Entertainment Corporation, which owns the Record Town and Saturday Matinee retail chains, announced that since sales of up to one-fourth of its stores are poor, they will be closed.