首页
登录
职称英语
Most people are aware that outdoor air pollution can damage their health, bu
Most people are aware that outdoor air pollution can damage their health, bu
游客
2023-08-19
17
管理
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 indicate that indoor levels of pollutants may be 2 to 5 times, and【B2】______ 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 indoors.
Many sources of indoor air pollution can be found in any home or office. Health effects from indoor air pollutants may be【B3】______ soon after exposure or, possibly, years later. Immediate effects may【B4】______ after a single exposure or repeated exposures. These include headaches, dizziness,【B5】______, and irritation(疼痛)of the eyes, nose, and throat. Such immediate effects are usually short-term and treatable. Sometimes the treatment is simply 【B6】______ the person’s exposure to the source of the pollution, if it can be identified. The likelihood of immediate reactions to indoor air pollutants【B7】______ several factors. Age and preexisting medical conditions are two important【B8】______.
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. For this reason, it is important to【B9】______ the time and place symptoms occur. If the symptoms 【B10】______ or go away when a person is away from home, for example, an effort should be made to identify indoor air pollutant sources that may be possible causes. [br] 【B4】
选项
答案
show up
解析
根据空格前的情态动词may判断这里应填入原形动词。show up的意思是“出现”。
转载请注明原文地址:https://tihaiku.com/zcyy/2938922.html
相关试题推荐
Theriskofdepressionforpeoplewholivealoneisalmost80percenthigher
Theriskofdepressionforpeoplewholivealoneisalmost80percenthigher
Theriskofdepressionforpeoplewholivealoneisalmost80percenthigher
Theriskofdepressionforpeoplewholivealoneisalmost80percenthigher
Americannewspapersarereportingwhatsomepeoplefearistheslowdeathof
Americannewspapersarereportingwhatsomepeoplefearistheslowdeathof
Americannewspapersarereportingwhatsomepeoplefearistheslowdeathof
[originaltext]TheWorldHealthOrganizationsays57nationsinSouthernAfr
[originaltext]TheWorldHealthOrganizationsays57nationsinSouthernAfr
[originaltext]TheWorldHealthOrganizationsays57nationsinSouthernAfr
随机试题
Someofhissuggestionswereplausible,butIdon’tremember____.A、whatoneB
Whatisthenewsmainlyabout?[originaltext]Twooftheprisonersreleased
Digby’sembarrassmentwhenhemetMadonnawas______:hisearsturnedbrightpin
TimeIfyoucan【T1】______,youcanknowthetimeofday.Butnooneknow
[originaltext]Ahouseisthemostexpensivethingmostpeoplewilleverbuy
某尾矿库等别为一等别,则其尾矿坝级别为()。A.一等别 B.二等别 C.三
职工发生工伤,经治疗伤情相对稳定后存在残疾、影响劳动能力的,应当进行劳动能力鉴定
生理情况下,能代表心室肌前负荷的指标是( )。A.收缩末期容积或压力 B.舒
银行可以通过观测贷款是否具有三个预警信号来判断还款来源是否存在风险,下列选项中,
(2021年真题第2批)根据《建设工程施工合同(示范文本)》以发包人明确表示或者
最新回复
(
0
)