OG19新题 题目总数：142 做题总人数：7893 平均准确率：74.7%
In rectangular region PQRS above, T is a point on side PS. If PS =4, what is the area of region PQRS?(1)ΔQTR is equilateral.(2) Segments PT and TS have equal lenth.
来源： 217人已做 其他难度 69.6%正确率
When opened and lying flat, a birthday card is in the shape of a regular hexagon. The card must be folded in half along 1 of its diagonals before being placed in an envelope for mailing.Assuming that the thickness of the folded card will not be an issue, will the birthday card fit inside a rectangular envelope that is 4 inches by 9 inches?(1)Each side of the regular hexagons 4 inches long.(2)The area of the top surface(which is the same as the area of the bottom surface)of the folded birthday cardis less than 36 square inches.
来源： 221人已做 其他难度 54.8%正确率
The top surface area of a square table top was changed so that one of the dimensions was reduced by 1 inch and the other dimension was increased by 2 inches. What was the surface area before these changes were made?(1)After the changes were made, the surface area was 70 square inches.(2)There was a 25 percent increase in one of the dimensions.
来源： 218人已做 其他难度 46.8%正确率
Is the perimeter of a certain rectangular garden greater than 50 meters?(1) The two shorter sides of the garden are each 15 meters long.(2) The length of the gardens 5 meters greater than the width of the garden.
来源： 214人已做 其他难度 76.6%正确率
If the lengths of the legs of a right triangle are integers, what is the area of the triangular region?(1)The length of one leg is 3/4 the length of the other.(2)The length of the hypotenuse is 5.
来源： 216人已做 其他难度 53.7%正确率
positions of the same ladder leaning against the side SV of a wall. The length of TV is how much greater than the length of RV (1)The length of TU is 10 meters.(2)The length of RV is 5 meters.
来源： 215人已做 其他难度 67.4%正确率
In the figure above, points A, B, C, and D are collinear and AB, BC, and CD are semicircles with diameters d1cm, d2cm, and d3cm, respectively. What is the sum of the lengths of AB,BC and CD in centimeters?(1)d1:d2:d3 is 3:2:1 (2)The length of AD is 48 cm.
来源： 221人已做 其他难度 57.9%正确率
Patricia purchased x meters of fencing. She originally intended to use all of the fencing to enclose a square region, but later decided to use all of the fencing to enclose a rectangular region with length y meters greater than its width. In square meters, what is the positive difference between the area of the square region and the area of the rectangular region?(1)xy=256(2)y=4
来源： 219人已做 其他难度 36.5%正确率
In the rectangular coordinate system, line k passes through the point(n,-1).Is the slope of line k greater than zero?(1)Line k passes through the origin.(2)Line k passes through the point(1,n+2).
来源： 226人已做 其他难度 53.5%正确率
In the figure above, what is the perimeter of △PQR?(1)The length of segment PT is 2(2)The length of segment RS is √33
来源： 237人已做 其他难度 79.7%正确率
【OG20-P808-875题】According to recent studies comparing the nutritional value of meat from wild animals and meat from domesticated animals, wild animals have less total fat than do livestock fed on grain and more of a kind of fat they think is good for cardiac health.
The three women, liberal activists who strongly support legislation in favor of civil rights and environmental protection, have consistently received labor's unqualifying support.
【OG18-P692-732题】Laos has a land area about the same as Great Britain but only four million in population, where many are members of hill tribes ensconced in the virtually inaccessible mountain valleys of the north.
The results of two recent unrelated studies support the idea that dolphins may share certain cognitive abilities with humans and great apes; the studies indicate dolphins as capable of recognizing themselves in mirrors—an ability that is often considered a sign of self-awareness—and to grasp spontaneously the mood or intention of humans.
Countries that legalized the drug X twenty years ago, because a significant percentage of the population had been using X on a daily basis without any apparent harm to the community at large, reset the benchmark for what is appropriate and proper behavior among their citizens. Since X's legalization, there has been an increase in manic depression, suicide and certain kinds of cancer. In order for Andovia, a country that has not yet legalized X,to avoid the development of such undesirable tendencies and prevent the social problems stemming from broad usage of drug X, it should close its borders and not issue visas to any tourists from countries where drug X is legal.Which of the following, if true, most seriously weakens the argument above?
【OG20-P407-476题】Which of the following, if true, would most tend to weaken the conclusions drawn from "some of this research" ?
【OG20-P402-467题】The passage suggests that in the study mentioned in highlight the method for gathering information about security of land tenure reflects which of the following pairs of assumptions about Tawahka society?
Unlike using spices for cooking, in medicinal usage they are taken in large quantities in order to treat particular maladies.
【OG20-P401-466题】According to the passage, Tucci and Talaga found that service guarantees, when offered by lower-priced restaurants, can have which of the following effects?
【OG20-P798-825题】Many utilities obtain most of their electric power from large coal and nuclear operations at costs that are sometimes two to three times higher as that of power from smaller, more efficient plants that can both make use of waste heat and take advantage of the current abundance of natural gas.