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题目： After increasing steadily for centuries, the total annual catch of all wild fish peaked in 1989; since that time, the total catch for most species has declined or plateaued, prompting conservation efforts designed to help prevent population crashes and possible extinctions.

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The passage suggests that proponents of resource-based theory would be likely to explain IT's inability to produce direct competitive advantages for individual firms by pointing out that

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The passage is primarily concerned with

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It can be inferred from the passage that when aspen groves experience a "disturbance", such a disturbance

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The author of the passage refers to "the bark of most trees" (line 6) most likely in order to emphasize the

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Until recently, trade flows were of interest mainly to economic experts and executives of large corporations, but since the past few years, the movement of goods and services across national boundaries have become the subject of intense public attention all over the world.

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Drawing on her roots in a society that has a strong tradition of story-telling and oral renditions of the past, Indian writer Suniti Namjoshi incorporates many types of literature into her writing: including historical texts, legends, and even nursery rhymes from both Indian as well as European sources.

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Because they can reproduce several times each year and produce large numbers of offspring, many insect species can generally adapt quickly to changes in their environment.

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Although women's wages are improving, Department of Labor statistics show that the ratio of their earnings with that of men have been roughly static since 1960.

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题目： Roughly one-half of the world's population, including virtually all of East and Southeast Asia also, is wholly dependent on rice to be its staple food.

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题目： Each of the 30 boxes in a certain shipment weighs either 10 pounds or 20 pounds, and the average (arithmetic mean) weight of the boxes in the shipment is 18 pounds. If the average weight of the boxes in the shipment is to be reduced to 14 pounds by removing some of the 20-pound boxes, how many 20-pound boxes must be removed?

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题目： If x and y are integers and x > 0, is y > 0?(1) 7x – 2y > 0(2) -y < x

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题目： Last year, 36 houses in a certain development had roof repairs and 48 houses were repainted. If 20 houses in the development had roof repairs but were not repainted last year, how many houses were repainted but did not have roof repairs?

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The passage suggests that the United States government's policy towards providing wage supplements to parents whose wages are low is

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题目： If n is a member of the set {33, 36, 38, 39, 41, 42}, what is the value of n?(1)n is even.(2)n is a multiple of 3.