词汇选项：

Despite other explanations, the real answer in my opinion lies partly in the child himself, partly in the behavior of the people around him.

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6-12岁英语高频重点词汇，搞定小学英语全段考试

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Q: The reason why children learn their mother tongue so well lies solely in their environment of learning.

A、Right

B、Wrong

C、Not mentioned

【正确答案】 B

【答案解析】 原文说的是儿童之所以能够完全掌握母语部分原因在于儿童自身，部分原因在于孩子周围人们的行为。问题句说“儿童母语学得好的原因只是因为他们的学习环境。”此处solely的表述是错误的。

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