1. (2023六下·建水期中) 阅读下面短文，判断文后句子的正误。

Mary, Jane and May are very good friends. Mary is shorter than May, May is heavier than Jane. Jane is thinner than Mary. How old are they? Mary is 7 years old. Jane is 12 years old and May is 9 years old. They study at Qinglan Primary School. Mary likes English, Jane likes math and May likes music. They all study hard.

1. （1） There are 3 children in the story.
3. （2） Mary is shorter than May.
5. （3） May is heavier than Jane.
7. （4） Jane is the youngest.
9. （5） They are all good friends.