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
60
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
A、Theyarechangedtomakethesitemoreinteresting.B、Theyareexpandedtolimittheamountofconstruction.C、Theyareintegr
A、Heisoftenaskedtogoandseemovies.B、Hewouldliketogoandseethenewmovie.C、Hewenttoseethemovielastmonth.D、
Oneofthegreatestconcernsparentshavewhenfacinganinternationalmoveis,"Whatschoolwillbe【C1】______tomychild?Will
Nodirectrelationshiphasbeenprovenbetweenhighcholesterollevelsandheartattacks.Thearticledealswiththelinkbetwe
A、No,becausethereisnoladder.B、No,becauseHenrylikesthepresentcolor.C、Yes,someoneelsepaintedit.D、Yes,Henrypain
ThefirstparagraphindicatesthatWhichofthefollowingisfamousforreducinganxiety?
A、Itisnotexpensive.B、Itisn’tneeded.C、Itisnotagoodtimingtobuildit.D、Itshouldbebuiltearlier.D男士说市政厅同意建新学校了,女士
A、Thelocalgovernments.B、Theirowners’families.C、Advertisements.D、Theaudience.C细节题。在西方国家,政府不给为私人所拥有的大众媒体拨款,可从“They(massm
A、Shedoesn’twanttogohome.B、Shewantstoearnmoremoneyinwintervacation.C、Shewantstohireanotherresearchassistant
A、Snowflakesofthefirstsnowaredirty.B、Itisdifficulttoseethesnowflakesclosely.C、Weshouldenjoysnowflakesrathert
随机试题
持续性枕后位的特点是
意识的能动性最突出的表现是()
以IP3和DG作为第二信使的激素是
以下哪一项不属于哮喘持续状态的处理
A.鸡胸B.龟背C.佝偻病D.漏斗胸E.软骨病胸骨高突,按之不痛者,为
与前置胎盘的发生无关的是
下列“考”字,最有可能出现在秦朝官方文献中的是()。
A、 B、 C、 D、 C
结构化程序设计中,下面对goto语句使用描述正确的是
CoursesforinternationalstudentsExampleWritinginfirsttermInsecondterm:【L1】________Throughouttheyear:【L2】_______
最新回复
(
0
)