What is the central topic of the second paragraph?A.Influences of economics.B.Importance o
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What is the central topic of the second paragraph?
A.Influences of economics.
B.Importance of knowing economics.
C.Applications of economics.
D.Scope of economic studies.
请帮忙给出正确答案和分析,谢谢!
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正确答案:B
第二段的主题句是“Aknowledgeofbasiceconomicsisimportantforunderstandingboththeproblemsandopportunitiesthatwillfacetheworldeconomyinthe21stcentury.”以下都是说明为什么重要的理由。
