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 can als
Most people are aware that outdoor air pollution can damage their health, but many do not know that indoor air pollution can als
admin
2011-01-01
42
问题
Most people are aware that outdoor air pollution can damage their health, but many do not know that indoor air pollution can also【67】health significantly. Environmental Protection Agency studies【68】that indoor levels of pollutants may be 2-5 times, and【69】more than 100 times, higher than outdoor levels.
There are many sources of indoor air pollution in any【70】. These include combustion (燃烧) sources, products for home cleaning and【71】, personal care, or hobbies; central heating and cooling systems and humidification【72】; and outdoor air pollution.
【73】effects may show up after a single exposure or【74】exposures. These include irritation of the eyes, nose, and throat, headaches, dizziness, and【75】. Such effects are usually short-term and【76】. Sometimes the treatment is simply【77】the person’s exposure to the source of the pollution,【78】it can be identified.【79】of some diseases may also show up soon after exposure to some indoor air pollutants.
Certain effects are similar to those from colds or other viral (病毒引起的) diseases,【80】it is often difficult to【81】if the symptoms are a result of exposure to indoor air pollution.【82】this reason, it is important to pay attention to the time and place the symptoms【83】. If the symptoms fade or go away when a person is away from home and return when the person returns,【84】should be made to identify indoor air sources that may be possible【85】. Some effects may be made worse by an【86】supply of outdoor air or from the heating, cooling, or humidity conditions prevalent in the home.
选项
A、lessen
B、decline
C、effect
D、affect
答案
D
解析
此处的动词与转折词but之前的分句谓语damage 语义并列,故选affect“(往往指负面)影响”。其他选项的意思分别为:lessen“减少”,decline“辞谢;谢绝(邀请等)”,effect“实现,使生效,引起”。
转载请注明原文地址:https://kaotiyun.com/show/jRy7777K
0
大学英语四级
相关试题推荐
Manystudentsfindtheexperienceofattendinguniversitylecturestobeaconfusingandfrustratingexperience.Thelecturersp
Manystudentsfindtheexperienceofattendinguniversitylecturestobeaconfusingandfrustratingexperience.Thelecturersp
EducationiscompulsoryandfreeforeverychildintheUnitedStates.Mostchildrenstartschoolbytheageofsix.Theyattend
Thefirstmoving-picturetheaterwasprobablytheworkofHarryDavis,Pittsburgh’smostprosperousshowman.In1904,herented
A、Materialsthatareeasytoshape.B、Thebonesofmenwhomadetools.C、Stonesthatdonotdecay.D、Ancienttoolsmadefromsto
A、Twocenturies.B、300yearsago.C、In1691.D、Inthe16thcentury.B本题考查考生对事件发生时间的掌握。文中两处提供了本题的答案,在文章的开始和结尾,我们可以听到以上所列关键词,故B正确。
A、Atanewspaper.B、Atanadvertisingagency.C、Atafurniturestore.D、Atarealestateoffice.A从四个选项得知所问问题是关于地点的,既然是关于刊登广告的,到
Forthispart,youareallowed30minutestowriteashortessayentitledOnImprovingStudents’NetworkMorality.Youshouldwr
A、Becauseshedidn’tknowhowtousethenewoven.B、Becausetherewassomethingwrongwithheroven.C、Becauseshewantedtoha
随机试题
研磨余量的大小应根据( )来考虑。
散文《干校六记》的作者是()
冷哮证的面色是热哮证的面色是
女性,55岁。糖尿病史10年,平素血压160/105mmHg,血脂中总胆固醇5.7mmol/L,LDL-C(低密度脂蛋白胆固醇)3.8mmol/L,尿蛋白1.5g/d,无家族史。下列降压药物最适合该患者的是
A.风水泛滥B.湿毒浸淫C.水湿浸渍D.湿热壅盛E.脾阳虚衰患者水肿日久,腰以下肿甚,按之凹陷不起,畏寒肢冷,尿少,舌淡苔白滑,脉沉弱。其证候是
热敏元件通常为电阻丝或双金属片的具有延时动作的过载保护器件是()。
单位工程施工组织设计的工程量计算,具有()的特点。
推进经济结构战略性调整是加快转变经济发展方式的主攻方向。对此,谈谈你的看法。
2006年,三口之家的上海市农村居民家庭年现金收入大约为( )。根据农村居民家庭平均每人现金收入图,工资性收入所占比重最小的是( )。
Onceitwaspossibletodefinemaleandfemaleroleseasilybythedivisionoflabour.Menworkedoutsidethehomeandearnedth
最新回复
(
0
)