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We  have been trying all measures to reduce pollution in the past few years. Now people can enjoy a fresh environment everywhere. The following two graphs are adopted from the column of “City Information” on the webpage of Beijing Review.

Graph 1: Olympic Cities Air Quality Report

City

Date

API

Major

Pollutant

Air Quality

Degree

Quality

Condition

Beijing

Sep. 8

37

N/A

Very good

Qinhuangdao

Sep. 8

52

PM10

Good

Qingdao

Sep. 8

68

PM10

Good

Shanghai

Sep. 8

67

PM10

Good

Shenyang

Sep. 8

88

PM10

Good

Tianjin

Sep. 8

54

PM10

Good

 

Graph 2: Chinese National Standard

API Values

Levels of health concern

Colors

When the API is in this range:

...air quality conditions are:

...as symbolized by this color:

0 to 50

Very good

Blue

51 to 100

Good

Green

101 to 150

Slight pollution

Yellow

151 to 200

Moderate pollution

Orange

201 to 250

Medium pollution

Red

251 to 300

High pollution

Purple

301 to 500

Hazardous

Brown

Notes:

**API stands for Air Pollution Index(指数).

**Particulate matter (PM10) is a major component of air pollution that threatens both our health and our environment. It consists of very small liquid and solid particles floating in the air.

**Sulfur dioxide(SO2) acts as an acid.Inhalation(吸入) results in labored breathing, coughing, or a sore throat and may cause permanent lung damage.

1.According to Graph 1, which of the following cities has the worst air pollution?

A.Qinhuangdao.

B.Tianjin.

C.Qingdao

D.Shenyang.

2.If your city is symbolized by either red or purple, the pollution in your city is     .

A.Moderate or high.

B.Moderate or slight.

C.Medium or high.

D.Medium or slight.

3.Which of the following statements is TURE?

A.With API value below 150 the air is free from being polluted.

B.The colors from purple to Yellow indicate the air quality is becoming much worse.

C.When there are floating solid particles and dust in the air, it is dangerous pollution.

D.On September 8th the color-symbol of Beijing City’s air quality is ‘Blue’.

4.When more citizens are beginning to have labored breathing soon after they are in the open air, it suggests that            .

A.there is a large amount of sulfur dioxide in the air

B.it is so cold that they may have caught a cold

C.they are starting to cough or have a fever

D.they must be infected with permanent lung disease

 

【答案】

1.D

2.C

3.D

4.A

【解析】文章介绍了中国几个城市的测量空气质量的PM10的监测数据,并说明了相关情况。

1.D 细节题。根据Graph 1中

Shenyang

Sep. 8

88

PM10

说明沈阳的PM10的含量最高,故沈阳的污染最为严重,故D正确。

2.C 细节题。根据Graph 2中

201 to 250

Medium pollution

Red

251 to 300

High pollution

Purple

说明如果是红色或者紫色,那么应该是中度或者高度污染,故C正确。

3.D 推理题。根据Graph1中

Beijing

Sep. 8

37

N/A

Very good

数据是37,介于1-50之间,属于空气质量很好的范围,在Graph2中用蓝色来标志,故D正确。

4.A 细节题。根据文章最后一段*Sulfur dioxide(SO2) acts as an acid.Inhalation(吸入) results in labored breathing, coughing, or a sore throat and may cause permanent lung damage说明A正确。

 

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