1. 看图，判断对错。

1. （1） Mark's grandfather is 1.7 metres tall.
3. （2） Mark's grandmother is 1.7 metres tall.
5. （3） Mark's mother is 1.6 metres tall.
7. （4） Mark's father is 1.8 metres tall. He is tall.
9. （5） Mark's sister is short.