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300难题
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Added to the increase in hourly wages requested last July, the railroad employees are now seeking an expanded program of retirement benefits.
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300难题 OG17
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The use of gravity waves, which do not interact with matter in the way electromagnetic waves do, hopefully will enable astronomers to study the actual formation of black holes and neutron stars.
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300难题 OG17
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An archaeological excavation at what might have been a workshop where statues were reproduced yielded 1,532 fragments of human figures, including 7 intact statues.
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300难题
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Judge Lois Forer's study asks why do some litigants have a preferred status over others in the use of a public resource, the courts, which in theory are available to all but in fact are unequally distributed among rich and poor.
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300难题
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When adjusted for body weight, children of various age groups in the United States have a caffeine intake that ranges from 36 to 58 percent of the average amount consumed by adults.
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300难题
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Avalanches at Rogers Pass in Glacier National Park killed more than 200 people between 1885 and 1910, but they are now controlled if not prevented; cannons are fired at the slopes to make snow masses fall before they become dangerous.
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300难题 OG17
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A site once used as an observatory by the Anasazi, ancient pueblo dwellers of New Mexico, has been recently discovered where patterns of light and shadow were employed to establish the precise limits of the positions of the Sun and Moon over a nineteen-year cycle.
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300难题
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Lacking information about energy use, people tend to overestimate the amount of energy used by equipment, such as lights, that are visible and must be turned on and off and underestimate that used by unobtrusive equipment, such as water heaters.
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300难题
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What is the sum of 3 consecutive integers?
1. The sum of the 3 integers is less than the greatest of the 3 integers.
2. Of the 3 integers, the ratio of the least to the greatest is 3.
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300难题
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How many people in Town X read neither the World newspaper nor the Globe newspaper?
1. Of the 2,500 people in Town X,1,000 read no newspaper.
2. Of the people in Town X, 700 read the Globe only and 600 read the World only.
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300难题
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For each positive integer k,let $$a_k$$= (1 +$$\frac{1}{k+1}$$). Is the product $$a_1$$, $$a_2$$...,$$a_n$$ an integer?
1. n +1 is a multiple of 3.
2. n is a multiple of 2.
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300难题
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Let S be a set of outcomes and let A and B be events with outcomes in S. Let 〜B denote the set of all outcomes in S that are not in B and let P(A) denote the probability that event A occurs. What is the value of P(A) ?
1.P(AU B) = 0.7
2.P(AU 〜B) = 0.9
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300难题
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State X has a sales tax rate of k percent on all purchases and State Y has a sales tax rate of n percent on all purchases. What is the value of k - n ?
1.The sales tax on a $15 purchase is 30 cents more in State X than in State Y.
2.The sales tax rate in State X is 1.4 times the sales tax rate in State Y.
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300难题
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Is - $$3 \leq x \leq 3$$?
1.$$x^{2}$$ + $$y^{2}$$= 9
2.$$x^{2}$$ + $$ y\leq 9$$
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300难题
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In a certain group of people, the average (arithmetic mean) weight of the males is 180 pounds and of the females, 120 pounds. What is the average weight of the people in the group?
1.The group contains twice as many females as males.
2.The group contains 10 more females than males.
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300难题
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Three dice, each with faces numbered 1 through 6, were tossed onto a game board. If one of the dice turned up 4, what was the sum of the numbers that turned up on all three dice?
1.The sum of two of the numbers that turned up was 10.
2.The sum of two of the numbers that turned up was 11
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PREP08 Test 1
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According to the passage, in the case of Lone Wolf v. Hitchcock the Supreme Court decided that
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PREP08 Test 1
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According to the passage, Henyey's findings in 1965 were significant because they
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PREP08 Test 2
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According to the passage, sympatric anole lizard species resemble many other closely related sympatric species In that the anole lizard species
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PREP08 Test 2
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The passage suggests that the economists mentioned in the highlighted text would have expected which of the following to occur during the 1960's in the United States?
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