OG19新题 题目总数：142 做题总人数：8452 平均准确率：75.5%
Officials at the United States Mint believe that the Sacagawea dollar coin will be used more as a substitute for four quarters rather than for the dollar bill because of its weight, only 8.1 grams, which is far less than four quarters, which weigh 5.67 grams each.
来源：OG21新题 578人已做 其他难度 54.8%正确率
Once made exclusively from the wool of sheep that roam the Isle of Lewis and Harris off the coast of Scotland, Harris tweed is now made only with wools that are imported, sometimes from the mainland and sometimes they come—as a result of a 1996 amendment to the Harris Tweed Act—from outside Scotland.
来源：OG21新题 801人已做 其他难度 88.4%正确率
Although when a hagfish is threatened, it will secrete slime that is small in quantity, it expands several hundred times as it absorbs seawater, forming a slime ball that can coat the gills of predatory fish and either suffocate them or distress them enough to make them flee.
来源：OG21新题 579人已做 其他难度 50.1%正确率
To show that it is serious about addressing the state's power crisis, the administration has plans for ordering all federal facilities in California to keep thermostats at 78 degrees Fahrenheit and shutting down escalators during electricity shortages this summer.
来源：OG21新题 807人已做 其他难度 83.6%正确率
At a certain clothing store, customers who buy 2 shirts pay the regular price for the first shirt and a discounted price for the second shirt. The store makes the same profit from the sale of 2 shirts that it makes from the sale of 1 shirt at the regular price. For a customer who buys 2 shirts, what is the discounted price of the second shirt?(1) The regular price of each of the 2 shirts the customer buys at the clothing store is $16.(2) The cost to the clothing store of each of the 2 shirts the customer buys is $12.
来源：OG21新题 300人已做 其他难度 29.7%正确率
A certain computer company produces two different monitors, P and Q. In 2010, what was the net profit from the sale of the two monitors?(1) Of the company’s expenses in 2010, rent and utilities totaled $500,000.(2) In 2010, the company sold 50,000 units of monitor P at $300 per unit and 30,000 units of monitor Q at $650 per unit.
来源：OG21新题 305人已做 其他难度 52.1%正确率
What is the volume of the right circular cylinder X ?(1) The height of X is 20.(2) The base of X has area 25π.
来源：OG21新题 316人已做 其他难度 94%正确率
The market for so-called functional beverages, drinks that promise health benefits beyond their inherent nutritional value, nearly doubled over the course of four years, in rising from $2.68 billion in 1997 to be $4.7 billion in 2000.
来源：OG21新题 842人已做 其他难度 91.3%正确率
What is the value of z in the figure above?(1) x = 50(2) y = 35
来源：OG21新题 335人已做 其他难度 97%正确率
If all of the six faces of a concrete block are rectangular, what is the volume of the block?(1) Each of the four lateral faces of the block has an area of 200 square inches.(2) The top of the block is square and has an area of 400 square inches.
来源：OG21新题 337人已做 其他难度 79.8%正确率
In parts of South America, vitamin-A deficiency is a serious health problem, especially among children. In one region, agriculturists hope to improve nutrition by encouraging farmers to plant a new variety of sweet potato called SPK004 that is rich in betacarotene, which the body converts into vitamin A. The plan has good chances of success, since sweet potato is a staple of the region’s diet and agriculture, and the varieties currently grown contain little beta-carotene. Which of the following, if true, most strongly supports the prediction that the plan will succeed?
Which of the following is included in the discussion of the cursorial hypothesis but not in the discussion of the arboreal hypothesis?
It is illegal to advertise prescription medications in Hedland except directly to physicians, either by mail or in medical journals. A proposed law would allow general advertising of prescription medications. Opponents object that the general population lacks the specialized knowledge to evaluate such advertisements and might ask their physicians for inappropriate medications. But since physicians have the final say as to whether to prescribe a medication for a patient, inappropriate prescriptions would not become more common. Which of the following would it be most useful to establish in order to evaluate the argument?
【OG20-P595-717题】Which of the following most logically completes the passage?According to the last pre-election poll in Whippleton, most voters believe that the three problems government needs to address, in order of importance, are pollution, crime, and unemployment. Yet in the election, candidates from parties perceived as strongly against pollution were defeated, while those elected were all from parties with a history of opposing legislation designed to reduce pollution.These results should not be taken to indicate that the poll was inaccurate, however, since __________
【OG20-P594-715题】Several industries have recently switched at least partly from older technologies powered by fossil fuels to new technologies powered by electricity. It is thus evident that less fossil fuel is being used as a result of the operations of these industries than would have been used if these industries had retained their older technologies.Which of the following, if true, most strengthens the argument above?
In July 1965 Mariner IV passed by Mars and took the first-ever close-up photographs of another planet, which showed that the Martian surface was like that of the Moon's in that it was pockmarked by moonlike craters and was dry and apparently dead.
A survey of entrepreneurs who started companies last year shows that while virtually all did substantial preparatory research and planning, only half used that work to produce a formal business plan. Since, on average, the entrepreneurs without formal plans secured the capital they needed in half the time of those with plans, these survey results indicate that, in general, formal plans did not help the entrepreneurs who produced them to secure the capital they needed. Which of the following, if true, most seriously weakens the argument?
【OG20-P181-230题】The value of is how many times the value of 2-17?
To Josephine Baker, Paris was her home long before it was fashionable to be an expatriate, and she remained in France during the Second World War as a performer and an intelligence agent for the Resistance.
【OG20-P459-606题】The author of the passage mentions "escape velocity" in order to help explain which of the following?