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【题目】Evidence has been found through years of study______children’s early sleeping problems are likely to continue when they grow up.

A. why B. how C. whether D. that

【答案】D

【解析】试题考查同位语从句:句意:通过多年的研究已经发现了证据,孩子们早期的睡眠问题可能随着长大会继续。通过分析句子结构,可知这个句子中包含一个同位语从句,说明evidence的内容,用that连接同位语从句,that在同位语从句中不作任何成分,且没有实际意义,选D

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