单选题：It's reported that adults don't do exercises at all. （　　）

题目内容：

It's reported that adults don't do exercises at all. （　　） A．half
B．one quarter
C．two-thirds
D．one-third

参考答案：

答案解析：

From the 2010 "National icycle and Walking Study" we can see

From the 2010 "National icycle and Walking Study" we can see that. （　　）A．72% of

分类：英语(二) 题型：单选题

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分类：英语(二) 题型：单选题

分类：英语(二) 题型：单选题