首页
登录
职称英语
[originaltext]The one thing you need to know is that if you were like many who
[originaltext]The one thing you need to know is that if you were like many who
游客
2024-01-23
3
管理
问题
The one thing you need to know is that if you were like many who suffer when the air quality is poor, relief could be just a click away. There’s something called the Air Quality Index, or (3)the AQI, and it keeps track of how clean or populated the air is on a day to day basis. The Environmental Protection Agency calculates the AQI on five major pollutants that are regulated by the Clean Air Act.
Ground level ozone and particle pollution are the greatest threat to human health. The Air Quality Index runs from zero to 500, with 500 being the most unhealthy. (4)Over 100 could be considered unhealthy for sensitive groups. We’re talking about people with asthma as well as heart conditions. Everyone will start feeling the effects of poor air quality when the number reaches 150 or above. Anything over 300 is considered hazardous air quality. It’s encouraged on these high level days to limit your outdoor activities and stay indoors. Exercising outdoors during one of these high level days could result in serious health consequences. So, before you go outside, check the AQI to protect yourself and to have better health.
Questions 3 and 4 are based on the news report you have just heard.
3.What can we know about AQI?
4.When is it unhealthy for sensitive people?
选项
A、It keeps track of how clean or populated the air is.
B、It can predict the temperature of the next days.
C、It can direct people to wear clothes.
D、It can receive people’s feedback.
答案
A
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3386785.html
相关试题推荐
[originaltext](23)Overtimeanimalshavedevelopedmanywaystostayawayf
[originaltext]"Family"isofcourseaflexibleword.ButwhenBritishpeople
[originaltext]"Family"isofcourseaflexibleword.ButwhenBritishpeople
[originaltext](16)Longbusridesareliketelevisionshows.Theyhaveabegi
[originaltext](16)Longbusridesareliketelevisionshows.Theyhaveabegi
[originaltext]W:(12)Howisyourhousehuntinggoing?M:Notverywell.Ihaven
[originaltext]W:(12)Howisyourhousehuntinggoing?M:Notverywell.Ihaven
[originaltext]W:(12)Howisyourhousehuntinggoing?M:Notverywell.Ihaven
[originaltext]W:Doyouthinkfamilieshavechangedmuchinthelast50years?
[originaltext](5)India’scapitalDelhiisendingatwo-weektrialthatimpo
随机试题
[originaltext]W:Thereistheseatbythewindow.M:Yes,butit’srightovera
物联网的核心技术是()。A.无线电 B.操作系统 C.射频识别 D.集成电
什么是围生期与围生儿?
叙述“严谨性与量力性相结合”数学教学原则的内涵,并以“ 是无理数”的教学过
不符合急性单核细胞白血病的是A:α-NAE:阳性,不被氟化钠抑制B:AS-D-
在心理学中,具有“直率热情,精力旺盛;性情急躁,反应迅速;情绪明显外露,但持续时
近日,有网友表示了这样的担心,“我支付宝,微信里都有钱,如果我哪天突然意外死了,
首期发行短期融资券的,应至少于发行日前2个工作日公布发行文件。()
关于税收支出的说法,错误的是()。A.税收支出的目的在于取得财政收入 B.税
下列有关抽样风险的说法中,错误的是()。A.除非注册会计师对总体中所有的项
最新回复
(
0
)