问题
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Psycholinguistics is the study of the psychological processes involved in language. Psyc
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Economics is the study of how societies with limited resources decide what to produce, how
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What is the central topic of the second paragraph?A.Influences of economics.B.Importance o
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In the opinion of most parents, .A. economics should be the focus of school teachingB.
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The 1 500 college students involved in the study
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Welfare economics explains which of the following
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