题目内容
AQI colors | AQI Numbers | Health word(s) | What to do |
Green | 0-50 | Good | Just enjoy the clean air! |
Yellow | 51-100 | Moderate (适中) | Air quality is fine for most people. |
Orange | 101-150 | Unhealthy for sensitive(敏感的) groups | Active children and adults and people with lung(肺) disease should spend less time outdoors |
Red | 151-200 | Unhealthy | People with lung disease and active kids and adults shouldn’t spend too long time outdoors. Everybody else should try to spend less time outside. |
Purple | 201-300 | Very unhealthy | People with lung disease and active kids and adults should not spend any time outdoors. Everybody should try not to go outside. |
A.enjoy the clean air | B.spend less time outside |
C.try not to go outside | D.stay inside most time |
A.orange | B.red | C.purple | D.yellow |
A.bigger; better | B.bigger; nicer | C.smaller; better | D.smaller; worse |
A.①②③④ | B.①②③ | C.①②④ | D.②③④ |
A.If the AQI number is 140, the AQI colour will be red. |
B.If the AQI colour is purple, the air is the best for people. |
C.People with lung disease are very sensitive to the air. |
D.The AQI can’t help people know the air quality. |