1. 阅读短文，完成文后任务。

    My name is Lucy. I have two good friends, Mary and June. June and I are twelve years old. Mary is thirteen years old. I'm 1.58 metres tall. Mary is taller than me, but June is shorter than me.

    I'm 46 kilograms. Mary is 2 kilograms heavier than me. But June is thin. She's only 42 kilograms.

1. （1） How old is June?
   

3. （2） Who is taller, Lucy or Mary?
   

5. （3） How heavy is Mary?
   

7. （4） Mary is older and heavier than June.

9. （5） Lucy is the tallest of the three girls.