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In the opening paragraph, the author introduces his topic by______.
A.exemplifying an assumption
B.making a comparison
C.explaining a phenomenon
D.posing a question

A.
A.exemplifying
B.making
C.explaining
D.posing

【参考答案】

C
篇章题。本题考查议论文谋篇方式和写作特点。作者在第一段中首先描述了两个场景,都与特殊的饮食文化有关,而在本段最后,又对此进行了简单地解释,指出这些现象体现出习惯的力量。而从第二段开始,作者将习惯的力量迁移至经济学领域。由此可见,开篇段落的作用是通过解释现象引出话题,故[C]为。四个选项中......

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