1. 根据对话内容，判断正误。

Longlong正在向Huahua介绍上个暑假和妈妈去北京拍的一张照片。

1. （1） Longlong went to Beijing with his mother last summer.
3. （2） They went to Beijing by plane.
5. （3） They stayed in a hotel by the sea.
7. （4） They enjoyed a lot of food.
9. （5） They had fun in Beijing.