首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Most people are aware that outdoor air pollution can damage their health, but many do not know that indoor air pollution also ca
Most people are aware that outdoor air pollution can damage their health, but many do not know that indoor air pollution also ca
admin
2016-04-02
54
问题
Most people are aware that outdoor air pollution can damage their health, but many do not know that indoor air pollution also can cause【B1】______health effects. U.S. Environmental Protection Agency studies of human exposure to air pollutants indicate that indoor levels of pollutants may be 2 to 5 times, and【B2】______more than 100 times, higher than outdoor levels. These levels of indoor air pollutants may be of particular concern because most people spend about 90% of their time indoors.
Many sources of indoor air pollution can be found in any home or office. Health effects from indoor air pollutants may be【B3】______soon after exposure or, possibly, years later. Immediate effects may【B4】______after a single exposure or repeated exposures. These include headaches, dizziness,【B5】______, and irritation(疼痛)of the eyes, nose, and throat. Such immediate effects are usually short-term and treatable. Sometimes the treatment is simply【B6】______the person’s exposure to the source of the pollution, if it can be identified. The likelihood of immediate reactions to indoor air pollutants【B7】______several factors. Age and preexisting medical conditions are two important【B8】______.
Certain immediate effects are similar to those from colds or other diseases, so it is often difficult to determine if the symptoms are a result of exposure to indoor air pollution For this reason, it is important to【B9】______the time and place symptoms occur. If the symptoms【B10】______ or go away when a person is away from home, for example, an effort should be made to identify indoor air pollutant sources that may be possible causes.
【B10】
选项
答案
fade
解析
此处需要填入和动词go并列的原形动词。fade指“逐渐消失”。
转载请注明原文地址:https://kaotiyun.com/show/vuL7777K
0
大学英语六级
相关试题推荐
TheotherdayIwaslisteningtoaChristianradioprogramonthewaytothegym.Eachdaytheyaskaquestionfortheirlistene
Britainmaynotalwayscheck【C1】______properly,butitissadlygoodaterectingotherbarriersinfrontofpeoplewhowanttov
DespicableCharactersAreNewHeroesA)InfilmsandTVshows,despicablecharactersaretakingcentrestage.NicholasBarberinv
Nowadays,computerisbecomingmoreandmorewidelyused.Butpeoplearenotthatfamiliarwithknowledgeofcomputer.Howtoop
ProductionoftheAmbassador,thefirstcartobemadeinIndia,hasbeenhaltedbecauseoffallingdemand.ModelledontheMorr
AfricanEconomicGrowthA)GoodnewsforAfrica,saytheexperts.Growthishealthyandbroad-based,fuelledinpartbyinfrastru
A、Theyaretobeconquered.B、Theyaretobeprotected.C、Theyaresacredplaces.D、Theyarelikehumans.A对话中男士提到西方人对登山的看法,他们把珠
Howmenfirstlearnttoinventwordsisunknown;inotherwords,theoriginoflanguageisamystery.Allwereallyknowisthat
A、Onethird.B、Almosttwothirds.C、Morethantwothirds.D、Almosthalf.B文中提到,根据调查,63%的美国成年人没有8个小时的睡眠时间,这8个小时是健康身体、安全和优良工作表现所需要
A、MississippiRiveris6,040kilometers.B、YukonRiveris3,186kilometers.C、AlaskaRiveris3,168kilometers.D、ColoradoRiver
随机试题
人体的组织可归纳为四大类型,即__________________、__________________、__________________和__________________。
马克思和恩格斯明确指出,政党产生的基础是()
患者,男,50岁。便时肛内有肿物脱出,色紫暗,表面破溃、糜烂,肛门坠痛,肛内指检有灼热感,舌红,苔黄腻,脉弦数。该患者宜选用的方剂是
小儿结核性脑膜炎的早期临床表现是
以下关于财政支出结构的说法,不正确的有()。
简述贯彻循序渐进原则的基本要求。
以下活动属于学校课外活动的是()。
()之于风油精相当于碳酸之于()
下面关于PC机CPU的叙述中,不正确的是( )。
A、Itsstudentsaimatmanagerialposts.B、Itsstudentsarerolemodelsofwomen.C、Itschiefpositionsareheldbywomen.D、Its
最新回复
(
0
)