We often read the Air Quality Index(空气质量指标)or AQI reported in the newspaper. The AQI helps us understand what the air quality around us means to our health. The AQI uses colors, numbers and words to tell us about the air. Let’s see what these colors and numbers mean.

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.

1.If the weather report says today’s AQI is 39, we can ________.

A. enjoy the clean air B. spend less time outside

C. try not to go outside D. stay inside most time

2.If the Air Quality Index is ______, the air quality is good for most people.

A. orange        B. red           C. purple           D. yellow

3.The _______ AQI numbers are, the _______ air quality is.

A. bigger; better  B. bigger; nicer   C. smaller; better    D. smaller; worse

4.We use ________ to tell about the quality of the air .

color words weather numbers

A. B. C. D.

5.Which of the following is TRUE?

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. 

 

请仔细阅读题中的信息,从A—F 选项中找出与其相吻合的选项。 其中一项为多余选项。

1.She’s Amy. She’s free these days. Kids like to play with her, because she’s good at telling stories to make them happy.

2.Cindy is a middle school student. Her English is not good. So her parents want to find someone to help her with English on weekends.

3.He is Bill. He’s seventeen. He can play basketball, but he can’t play soccer. So he wants to learn to play it.

4.Frank is a worker with two children. They are both students. He would like to buy a house, but it must be in a quiet place, because his children need a quiet place for study.

5.Jerry is a student in a middle school. She knows a little about computer. So she wants to learn it on summer vacation.

A. Join our football club. Boys and girls, if you like playing football, come and join us! Age:16-19 Meet in Green Park at 3:00 on Friday.

B. Do you like children? Can you play with one child for two days? If you are sure to do this job well, call us at 76642588. $80 or more. Today! Hurry!

C. It’s a comfortable house with a big garden in the center of the town. It’s very easy to take the bus or the train. It’s 9,000,000 yuan.

D. Sun Computer School. More and more people use computer to study or work. Our school can teach you how to use it. Phone number: 53276439

E. Jimmy studies in a collage. He is good at English. So he would like to get a part-time job to get pocket money(零用钱) on weekends. Call him at 37856432.

F. The house is not big but quiet in the neighborhood. It has three bedrooms, a kitchen and a washroom. It’s only 450,000 yuan.

 

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