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    精英家教网 > 初中英语 > 题目详情
    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.
    小题1:If the weather report says today’s AQI is 39, we can ________.
    A．enjoy the clean airB．spend less time outside
    C．try not to go outsideD．stay inside most time
    小题2:If the Air Quality Index is ______, the air quality is good for most people.
    A．orangeB．redC．purpleD．yellow
    小题3:The _______ AQI numbers are, the _______ air quality is.
    A．bigger; betterB．bigger; nicerC．smaller; betterD．smaller; worse
    小题4:We use ________ to tell about the quality of the air .
    ① color  ②words   ③weather   ④numbers
    A．①②③④B．①②③C．①②④D．②③④
    小题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.

    小题1:A
    小题2:D
    小题3:C
    小题4:C
    小题5:C

    试题分析：短文大意：我们经常读的空气质量指数或在报纸上报道的AQI有助于我们了解我们周围的空气质量对我们的健康意味着什么。AQI使用颜色，数字和文字告诉我们有关空气的情况。文中具体说明了这些颜色和数字是什么意思。
    小题1:细节理解题。根据表中第二行内容可知选A。
    小题2:细节理解题。根据表中第三行内容可知选D。
    小题3:细节理解题。根据表中内容可知AQI数值越小，空气质量越高，所以选C。
    小题4:细节理解题。根据表中第一行内容可知选C。
    小题5:细节理解题。根据第三列第四、五、六行内容可知选C。
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