1. (2020·松北模拟) From COVID-19, we know everyone must keep good hygiene (卫生)and health habits, for example, we should      .

① regularly open the windows of our house for better ventilation(通风)

② not share towels (毛巾)with our family members

③ go out of our way to pay more attention to our temperature

④ hardly ever exercise

⑤ neither eat nor buy wild animals