题目内容：
Question are based on the following passage.
In this passage the author emphasizes that teenage students' lack of motivation results mainly from the fact that __________
参考答案：
答案解析：
单选题：Question are based on the following passage. In this passag
- 题目分类：英语六级
- 题目类型：单选题
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Question are based on the following passage.
In this passage the author emphasizes that teenage students' lack of motivation results mainly from the fact that __________