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
2013-10-28
53
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【B2】______ that indoor levels of pollutants may be 2 to 5 times, and【B3】______ more than 100 times, higher than outdoor levels. These levels of indoor air pollutants may be of particular【B4】______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【B5】______ soon after exposure or, possibly, years later. Immediate effects may show up after a single exposure or【B6】______ exposures. These include headaches, dizziness,【B7】______, and irritation(疼痛)of the eyes, nose, and throat. Such immediate effects are usually short-term and treatable. Sometimes the treatment is simply【B8】______ the person’s exposure to the source of the pollution, if it can be identified.【B9】______. Age and preexisting medical conditions are two important influences.
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.【B10】______. If the symptoms fade or go away when a person is away from home,【B11】______
【B11】
选项
答案
for example.an effort should be made toidentify indoor air pollutant sources that maybe possible causes
解析
该句结构及用词都不难,不建议改写,原词照搬即可。
转载请注明原文地址:https://kaotiyun.com/show/or27777K
0
大学英语六级
相关试题推荐
PromotelearningandskillsforyoungpeopleandadultsEducationisaboutgivingpeopletheopportunitytodeveloptheirpo
A、Helosthisclassschedule.B、Hecouldnotdroptheastronomycourse.C、Heregisteredfortoomanyclasses.D、Hemissedthede
A、Avacationandartcollection.B、Atripandanewcar.C、Cashandacar.D、Moneyandatrip.D短文说,大奖是3万美元现金和6天费用全包的中国行。故答案是D。四
A、ChangetheT-shirtsforsmallerones.B、SellT-shirtsforherson.C、Workasanassistantatthestore.D、MaketheseT-shirts
A、Tooslowforadifficultbookthoughjustrightforanon-seriousone.B、Tooslowforanon-seriousbookbuttoofastforadi
Receivingvisitorsandguestsisanimportantpartofthesecretary’sdailyroutineintheoffice.Thereisacertain【B1】______f
A、HedismissedtheCaptain.B、Hemadetheword"boycott"popular.C、Heremovedthepoortenants.D、Heincreasedtherentsandta
A、Indifferent.B、Admiring.C、Sympathetic.D、Tolerant.B推理判断题。判断作者的态度,要看他在文章中所使用的词汇,尤其是形容词和副词。根据oneofthemostpopularliteraryf
Thisisaparticularmomentinthehistoryofdigitalnetworks,onewhenpowerfulcorporateactors(参与者)andhigh-performancenetw
A、Shegotlostontheway.B、Shewasconfrontedwithtrafficjam.C、Shehadanaccident.D、Shewasnotawareofthetime.B
随机试题
Mychildrenarelookingforwardto________atriptoBeijingnextmonth.
选贤与能,讲信修睦。修睦:
甲将自己的全部财产100万元赠与给红十字会后。暗笑不应看破红尘,当立根商场,东山再起。甲于是向乙借款200万元经商。此后,甲按市价花费20万元从丙车行购买汽车一辆,花费10万元收养了孤儿丁,向希望工程捐赠20万元。现甲向乙借款期限已到,因甲经营不善,无力还
实施“次级进口替代”战略的基础是()。
关于应对方式问卷,错误的说法是()。
一般资料:求助者,男性,26岁,高中毕业,个体商户。案例介绍:求助者借30万元炒股,损失惨重,体验到了股票的可怕与无情,但不甘心失败,平时连吃饭、上厕所都想着股市,无心照顾生意。自从炒股后,似乎变了一个人,连自己都怀疑心理有些不正常了,情绪总是被
阅读以下文字,完成41~45题。喜马拉雅山是目前地球上最高的山脉。其顶峰珠穆朗玛峰高达8844.43米,堪称世界之最。近半个世纪以来,地质学家对喜马拉雅山进行了研究,特别是近20年来世界各国学者纷纷对青藏高原进行实地勘测,弄清了喜马拉雅山脉
设3阶对称阵A的特征值为λ1=6,λ2=λ3=3,与特征值λ1=6对应的特征向量为ξ1=(1,1,1)T,求A.
Aprettypotplantmightmakeanunemotionalworkspacefeelmorepersonal.Butnewresearchhasrevealedthatofficeplantsdo
AtachesstournamentinTunisiain1967,BobbyFischer,then24,waspittedagainstanotherAmericangrandmaster,SamuelReshe
最新回复
(
0
)