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
110
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、exist
B、transmit
C、survive
D、occur
答案
D
解析
根据the time and place选occur,表示症状“出现、发生”的时间、地点。其他选项的意思分别为:exist“存在”,transmit“传播,传染”,survive“幸存,活下来”。
转载请注明原文地址:https://kaotiyun.com/show/GRy7777K
0
大学英语四级
相关试题推荐
Thewayinwhichpeopleusesocialspacereflectstheirsocialrelationshipsandtheirethnicidentity.EarlyimmigrantstoAmer
A、Peoplejumphigher.B、Egyptiansbuiltpyramids.C、Scientistsexplorethespace.D、DaVincimadeplansfortransportation.D细节题
A、Gothroughahealthcheck,B、Takelittleluggagewiththem.C、Arriveearlyforboarding.D、Undergosecuritychecks.B从题目选项可以得知
ThepollutionofHongKong’sbeachesbyoilfromadamagedtankerlastyearrecallsasimilarincidentwhichtookplaceinBrita
A、HowIndonesiacametobeinhabited.B、HowthePolynesianislandscametobeinhabited.C、HowthePolynesianpeopletraveledfr
A、Todoublelastyear’sfood-aid.B、Toraise$122millionforIraqipeople.C、ToprovideeachIraqifamilywith$26amonth.D、
Importantpeopledon’toftenhavemuchfreetimeas______(他们的工作占用了他们的全部时间).
AscientificpanelconvenedbytheWorldHealthorganizationrecommendedguidelinesonFridayfordoctorsconductingclinicalst
随机试题
运动是物质的根本属性是指()
应用硝酸甘油缓解心绞痛时,正确的护理是
甲公司是瑞士一集团公司在中国的子公司。该公司将SNS柔性防护技术引入中国,在做了大量的宣传后,开始被广大用户接受并取得了较大的经济效益。原甲公司员工古某利用工作之便,违反甲公司保密规定,与乙公司合作,将甲公司的14幅摄影作品制成宣传资料向外散发,乙公司还在
管理评审是实验室的执行管理层根据预定的日程和程序,定期地对实验室的质量体系、检测和(或)校准活动进行评审,以确保其持续适用和有效,并进行必要的改动或改进。其典型周期为()。
背景某机电安装公司投标一个30层的商务楼机电工程项目,机电工程范围有:建筑给水排水、建筑电气、通风空调、建筑智能化、消防工程。安装公司依据业主提供的工程量清单,按综合单价法编制了商务楼机电工程施工图预算。因造价合理,安装公司中标并签订合同,合同造
调节肾上腺髓质激素分泌的因素有
下列关于服务器技术的描述中,错误的是()。
Throughouthistorymanhashadtoacceptthefactthatalllivingthingsmustdie,butpeoplenowlivelongerthanthey【51】Yet,
Completethetablebelow.WriteONEWORDAND/ORANUMBERforeachanswer.
BeginninginOctober,morethan13000McDonald’srestaurantsinAmericawilluseanewvarietyofcookingoil.McDonald’saimst
最新回复
(
0
)