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
2013-02-24
50
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 have significant health effects. Environmental Protection Agency studies indicate that indoor levels of pollutants may be 2-5 times, and【47】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【48】.
There are many sources of indoor air pollution in any home. These include combustion sources such as oil, gas, coal, wood, and tobacco products; building materials and furnishings as【49】as deteriorated (变坏的) asbestos-containing (含有石棉成分的) insulation (绝缘材料), wet or damp carpet, and cabinetry or furniture made of certain pressed【50】products; products for household cleaning and maintenance, personal care, or hobbies; central heating and cooling【51】and humidification devices; and outdoor sources such as radon (氡), pesticides, and outdoor air pollution.
Immediate effects may show up after a single exposure or【52】exposures. These include irritation (刺激,过敏) of the eyes, nose, and throat, headaches, dizziness, and【53】. Such immediate effects are usually short-term and treatable. Sometimes the treatment is simply【54】the person’s exposure to the source of the pollution, if it can be identified.
The likelihood of immediate reactions to indoor air pollutants depends on several factors. Age and pre-existing medical conditions are two important influences. In other cases, whether a person【55】to a pollutant depends on individual sensitivity, which【56】tremendously from person to person.
A) reacts F) systems K) plastic
B) diverse G) immediately L) eliminating
C) identical H) wood M) occasionally
D) fatigue I) varies N) repeated
E) reducing J) indoors O) includes
选项
答案
D
解析
空格处与headaches和dizziness并列,故应为名词。前面的headaches与dizziness均表达身体不适,故应填入fatigue“疲劳”。
转载请注明原文地址:https://kaotiyun.com/show/l0u7777K
0
大学英语四级
相关试题推荐
Womenknowthatalackofsleepleavesthemirritable;however,mostofthemare【B1】______ofthedamageitmaybedoingtothei
Womenknowthatalackofsleepleavesthemirritable;however,mostofthemare【B1】______ofthedamageitmaybedoingtothei
A、Itwaspublishedin1963.B、Itcontainsover100drawings.C、Ithassoldmorethanfivemillioncopies.D、Ithascreativeand
Wanthappier,better-adjustedkids?Paylessattentiontothem,so【C1】______afamilycoachDavidCode.Hesaysfamiliescentered
Wanthappier,better-adjustedkids?Paylessattentiontothem,so【C1】______afamilycoachDavidCode.Hesaysfamiliescentered
Wanthappier,better-adjustedkids?Paylessattentiontothem,so【C1】______afamilycoachDavidCode.Hesaysfamiliescentered
Theindustrialagehasbeentheonlyperiodofhumanhistoryinwhichmostpeople’sworkhastakentheformofjobs.Theindustr
A、Providealotofprograms.B、Holdlotsofparties.C、Organizesomedatingactivities.D、Holdsportsmeetings.A题干询问国际中心是如何丰富学生
FairfaxPrincipalsWantIndoorSchoolCamerasOnedayinMarch,peopleturnedthecafeteriaatRobertE.LeeHighSchoolin
A、Shortageoffunding.B、Lackofresources.C、Transportproblems.D、Poormanagement.C女士说该地区存在地理问题(geographicalproblems),并对此进行了
随机试题
A.促进外周组织摄取葡萄糖B.原形自尿排出C.在肝中被代谢D.神经末梢再摄取E.被MAO和COMT代谢
在筛查试验中,漏诊率又称为
根据《危险废物污染防治技术政策》,我国危险废物管理阶段性目标是到(),基本实现重点区域和重点城市的危险废物环境无害化处理处置。
在计算平均数时,不要把存在本质差异的现象合在一起计算,否则,将不能真实反映总体的一般水平。()
管理层次与管理幅度的()决定了组织的基本结构形态。
外国甲公司和中国乙公司共同投资设立了一家合营企业,合营企业设立后,出现了以下问题:(1)外方合营者未经中方合营者同意,决定将自己持有合营企业的部分股份转让给丙公司。中方得知后。表示反对。(2)中方认为合营企业应设总会计师,但外方投资者不同意。(3)该
关于计算机系统的说法中,正确的是()。
在某些情况下,我们觉察不到一些对我们的行为产生了影响的事件,这属于()
OnherfirstmorninginAmerica,lastsummer,mydaughterwentouttoexplorehernewneighborhood—alone,withouteventellingm
Moreevidenceisinthatso-callede-cigarettesdoletsmokersstopsmoking.Suchcigarettes【C1】______totheuseranoralnicoti
最新回复
(
0
)