1. (2021五下·蓬江期末) 根据短文内容判断，与短文内容是否相符。

There are many beaches in Hong Kong. Many people go there to swim. You can see many women, men and children there. You can swim there, but remember: 1. Don't swim alone. 2. Don't swim after a meal. Don't swim when you are hungry or tired. 3. Don't stay in the water for a long time.

Do you know the meaning of the flags? A red flag: Anyone can't swim here. A blue flag: Children can't swim here.

1. （1） Many people go to the beaches in Hong Kong to swim.
3. （2） Everyone can swim alone in the sea.
5. （3） People can't swim when they're hungry, tired or full.
7. （4） It's good to stay in the water for a long time.
9. （5） Children can swim in the water with a red flag.