题目内容：
What did some people think the Wright brothers were doing?A．They were playing with kites．
B．They were doing something dangerous．
C．They were doing scientific experiments．
参考答案：
答案解析：
单选题：What did some people think the Wright brothers were doing?A．
- 题目分类：公共英语二级
- 题目类型：单选题
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A．They were playing with kites．
B．They were doing something dangerous．
C．They were doing scientific experiments．