1. (2022七上·哈尔滨期末) After the final exam, we will have our winter vacation. What are you planning to do? Anyway, you should pay attention to your safety(安全) and health. In the following sentences, which shouldn't you do?

① Travel with your parents 

② Swim in the river by yourself

③ Play computer all day and all night

④ Eat some clean and bad food

⑤ Read some good books 

⑥ Help your parents do some housework