A. The air quality is excellent. B. The air quality is good. C. The air quality is moderate. D. The air quality is poor. 相关知识点: 试题来源: 解析 A。解析:空气质量指数在0 - 50之间时表示空气质量优。B选项空气质量良好对应的指数范围不是这个。C选项空气质量适中对应的指数范围比这个高。
The Air Quality Index (AQI) is a measurement of air pollutant concentrations in ambient air pollution and their associated health risks. Air pollutants measured in AQI There are six air pollutants measured in the index formula, including: PM2.5 PM10 carbon monoxide sulfur dioxide nitrogen dioxide ...
Which pollutants are measured by the AQI? The US AQI measures five pollutants which are generally considered to pose the greatest risk to human health. These are as follows: Particulate matter (PM) This assignation includes both PM10 (particles of pollution that are 10 microns or less in di...
结果1 题目 The Air Quality Index (AQI) is used to monitor air pollution levels on a scale from 1 to 500. On this scale, the higher the number, the healthier the air quality.A.TrueB.False 相关知识点: 试题来源: 解析 B 反馈 收藏 ...
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 ...
1.A 细节理解题.根据表中第二行Just enjoy the clean air!可知"享受这新鲜的空气".故选A. 2.D 细节理解题.根据表中第三行内容Air quality is fine for most people可知"对大部分人来说,空气质量良好",是如果空气质量指数是"黄色"的时候.故选D. 3.C 推理判断题.根据表中内容,结合选项,可知AQI数值越小...
根据表格中第一栏信息可知如果AQI的数字是39时,我们可以享受清洁的空气,故选A。【小题2】C细节理解题。根据文中信息Active children, adults and people with lung disease shouldn’t spend any time outdoors. Everybody else should try not to go outside.如果AQI的颜色是紫色的,有肺病的人尽量不要出去,故...
根据第一段The AQI uses colors,numbers and words to tell us about the air.(AQI通过颜色、数字和文字告诉我们空气质量的含义。)可知AQI不会使用图片来告诉我们空气质量。故选A。(2)细节理解题。根据第二段Yellow shows the air quality is fine for most people.(黄色代表适合大多数人的空气质量。)可知当...
People with lung disease are very sensitive to the air. . The AQI can't help people to know the air quality. 相关知识点: 试题来源: 解析 细节理解题: 51.A. 根据表中第二行内容Just enjoy the clean air!可知当空气质量指标达到介于0-50之间时,Just enjoy the clean air,故选A.52.D. ...
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." /> Have you ever pay attention to the Air Quality Index(空气质量指标)or AQI reported in the newspaper...