题目

阅读理解No poem should ever be discussed or analyzed, until it has been read aloud by someone, teacher or student. Better still, perhaps, is the practice of reading it twice, once at the beginning of the discussion and once at the end. All discussions of poetry are, in fact, preparations for reading it aloud, and the reading of the poem is, finally, the most telling interpretation of it, suggesting tone, rhythm, and meaning all at once.Hearing a poet read the work in his or her own voice, on records or on films, is obviously a special reward. But even those aids to teaching cannot replace 工业区不断向市区外缘移动的最主要原因是（　　）①为了降低生产成本②为了保护城市生态环境③市区交通拥挤④为了加强城市的经济实力，拓宽城市地域范围．A. ①② B. ②③ C. ③④ D. ②④