单选题 What is the purpose of this passage?
A. To explain the importance of language learning.
B. To teach people to speak English.
C. To introduce some useful techniques of language learning.
D. To compare language learning with language teaching.

【正确答案】 C

【答案解析】主旨大意题。题目问“文章的目的是什么?”整篇文章介绍了成功的语言学习者是如何学习的，因此C项(介绍一些语言学习的技巧)是正确答案。