单选题：Questions 18 ～21 are based on the following dialogue．How did

题目分类：公共英语三级
题目类型：单选题
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题目内容：

Questions 18 ～21 are based on the following dialogue．
How did the woman know about the Student Action Union? A．She knew about it by reading a booldet．
B．She knew about it by reading a student union introduction．
C．She knew about it by reading a newspaper．
D．She knew about it by reading a magazine．

参考答案：

答案解析：

What's the probable relationship between the two speakers?

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