问题：
听下面一组对话，判断第1-3小题。 ( )1. The boy believes that there are UFOs.
( )2. People always mistake planes for UFOs.
( )3.The girl thinks humans will know the fact of some strange things some day.
听下面一组对话，判断第1-3小题。 ( )1. The boy believes that there are UFOs.
( )2. People always mistake planes for UFOs.
( )3.The girl thinks humans will know the fact of some strange things some day.
( )2. People always mistake planes for UFOs.
( )3.The girl thinks humans will know the fact of some strange things some day.
参考答案：