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For similar cars and drivers, automobile insurance for collision damage has always cost more in Greatport than in Fairmont. Police studies, however, show that cars owned by Greatport residents are, on average, slightly less likely to be involved in a collision than cars in Fairmont. Clearly, therefore, insurance companies are making a greater profit on collision-damage insurance in Greatport than in Fairmont.

Which of the following is an assumption on which the argument depends?

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Criminologist: Some legislators advocate mandating a sentence of life in prison for anyone who, having twice served sentences for serious crimes, is subsequently convicted of a third serious crime. These legislators argue that such a policy would reduce crime dramatically, since it would take people with a proven tendency to commit crimes off the streets permanently. What this reasoning overlooks, however, is that people old enough to have served two prison sentences for serious crimes rarely commit more than one subsequent crime. Filling our prisons with such individuals would have exactly the opposite of the desired effect, since it would limit our ability to incarcerate younger criminals, who commit a far greater proportion of serious crimes.

In the argument as a whole, the two boldfaced portions play which of the following roles?

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The traditional treatment of strep infections has been a seven-day course of antibiotics, either penicillin or erythromycin. However, since many patients stop taking those drugs within three days, reinfection is common in cases where those drugs are prescribed. A new antibiotic requires only a three-day course of treatment. Therefore, reinfection will probably be less common in cases where the new antibiotic is prescribed than in cases where either penicillin or erythromycin is prescribed.

Which of the following, if true, most strengthens the argument?

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题目： Facebook User AnalysisThis is a set of graphs displaying information about Facebook's users by region and time. Fill in the appropriate dropdown that best completes the sentence.A) The region with the largest number of Facebook users accounted for roughly[s[0]]of Facebook's total active user base.B) Facebook reached 25 million users in[s[1]]

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题目： The table below estimates XTO Energy's Natural Gas reserves, production, and revenue for years 1 through 12.Beginning reserves and annual production are measured in Billions of cubic feet (Bcf). Price is sold at dollar per Million cubic feet. Revenue is measured in millions of dollars ($ M).For each of the following, select Yes if the statement is true based on the information provided; otherwise select No.

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题目： What is the average of $$\frac{1}{8},\frac{3}{8},\frac{1}{2}$$ ?

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题目： Is the product of a and b odd?(1) a has exactly 2 factors.(2) b = 2x + 1, where x is an integer.

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题目： If Set S = {8, 5, 14, x, 11}, what is the median of Set S? (1) x > 11 (2) x < 14

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题目： If Nicole worked 20% more this week than she worked last week, how many hours did she work last week? (1) Nicole worked 36 hours this week. (2) Nicole worked 6 more hours this week than she worked last week.

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题目： How long did Justin spend driving from Town A to Town B to Town C? (1) The total distance that Justin drove was 200 miles. (2) Justin's average rate for the 100 miles from Town B to Town C was 50 miles per hour.

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题目： What is the value of a – 2?(1) a – 2 > 1(2) a + 2 = 6

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题目： Is Fred taller than Wilma? (1) Fred is taller than Barney. (2) Wilma is taller than Betty, who is taller than Barney.

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题目： Is x + y > z ?(1) z > y(2) z > x

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题目： In the month of June, a street vendor sold 10% more hot dogs than he sold in the month of May. How many total hot dogs did the vendor sell in May and June combined? (1) The vendor sold 27 more hot dogs in June than in May.(2) The vendor sold 50% more hot dogs in May than he did in April, when he sold 180 hot dogs.

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题目： If x and y are positive integers, what is the ratio of x to y? (1) 5x = 2y(2) 2y = 7x – 8