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
38
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
J
解析
主句提到室内污染应该引起特别关注,此空是indoor的原词复现,应填indoors。
转载请注明原文地址:https://kaotiyun.com/show/40u7777K
0
大学英语四级
相关试题推荐
Doyouknowwhatpositionyouregularlytakeupinbedwhenyoudropofftosleep?AccordingtoDr.SamuelDunkell,theposition
A、Aboyandalion.B、Aboyandatree.C、Ahunterandalion.D、Alionandatree.B信息明示题。短文中提到,ShelSilverstein的第一本畅销书是《爱心树》,讲
Becausesomanypeopleintheirteensandearly20sareincreasinglysocializing—accessibletoeachothereveryminuteoftheda
A、Themanshouldhaveusedadifferentfilm.B、Theinstructionsforthenewcameraarenotclear.C、Themanmayhaveoperatedth
SunlightisagreatsourceofvitaminDinmostoftheworld.Yeta(an)【C1】______numberofexpertsthinkthatmanypeoplearen’
FairfaxPrincipalsWantIndoorSchoolCamerasOnedayinMarch,peopleturnedthecafeteriaatRobertE.LeeHighSchoolin
Intimesofeconomiccrisis,Americansturntotheirfamiliesforsupport.IftheGreatDepressionisanyguide,wemayseeadr
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
GrowthinoilandgassupplieswillmaketheU.S.virtuallyself-sufficientinenergyby2030,accordingtoaBPreportpublish
1.目前,垃圾短信给人们的生活带来了许多的麻烦与困扰;2.这种现象产生的原因;3.如何解决这个问题。MyViewonSpamMessage
随机试题
骨折骨性愈合标准中,X线表现为
公等或家传汉爵,或地协周亲,或膺重寄于爪牙,或受顾命于宣室。言犹在耳,忠岂忘心?一抔之土未干,六尺之孤安在!倘能转祸为福,送往事居,共立勤王之勋,无废旧君之命,凡诸爵赏,同指山河。若其眷恋穷城,徘徊歧路,坐昧先几之兆,必贻后至之诛。请看今日之域中,竟是谁家
某企业原材料采用实际成本核算。2011年6月29日该企业对存货进行全面清查。发现短缺原材料一批,账面成本12000元。已计提存货跌价准备2000元,经确认,应由保险公司赔款4000元,山过欠人员赔款3000元,假定小考虑其他因素,该项存货清查业务应确认的净
“因材施教”是人的发展的()对教育的要求。
王老师看见兰兰翘椅子,就制止她,并告诉她这样做会摔倒,很危险。可兰兰不听,继续重复动作,王老师说:“你再翘椅子就会摔倒,磕得满头都是血,会有好大一个口子,很疼很可怕!”兰兰听到后吓哭了,王老师继续说:“再哭就不让爸爸妈妈来接你回家,把你送到其他班级去!”正
注意事项1.本题本由给定资料与作答要求两部分构成。考试时限为180分钟。其中,阅读给定资料参考时限为50分钟,作答参考时限为130分钟。满分150分。2.监考人员宣布考试开始时.你才可以开始答题。3.请在题本、答题卡指定位置填
三大政策工具及其机制。
简述南京国民政府时期诉讼审判制度的特点。
Thereisapoem,writtenaround598A.D.,whichdescribeshuntingamysteryanimalcalledallewyn.Butwhatwasit?Nothingsee
[2018年]设实二次型f(x1,x2,x3)=(x1一x2+x3)2+(x2+x3)2+(x1+ax3)2,其中a是参数.求f(x1,x2,x3)的规范形.
最新回复
(
0
)