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
14
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/2940454.html
相关试题推荐
ShouldOldPeopleStayatHomeorBePlacedinNursingHomes?Directions:Forth
It’sTimetoPayAttentiontoSleep,theNewHealthFrontier[A]Your
It’sTimetoPayAttentiontoSleep,theNewHealthFrontier[A]Your
It’sTimetoPayAttentiontoSleep,theNewHealthFrontier[A]Your
It’sTimetoPayAttentiontoSleep,theNewHealthFrontier[A]Your
It’sTimetoPayAttentiontoSleep,theNewHealthFrontier[A]Your
UptoamillionpeopleintheUKhave"completelypreventable"severeheadac
UptoamillionpeopleintheUKhave"completelypreventable"severeheadac
UptoamillionpeopleintheUKhave"completelypreventable"severeheadac
UptoamillionpeopleintheUKhave"completelypreventable"severeheadac
随机试题
PassageOne(1)IwassurethatIhadfoundatlasttheonetruecosmopol
[originaltext]W:NowI’vegotyourbackground,let’stalkaboutthemanagement
消费者崇拜名人、名流,听到或见到名家、名著时,先睹为快,购买心切,不太挑选,说买
固定阳极X线管的靶面倾角为A.10° B.15° C.20° D.25°
《中华人民共和国劳动合同法》中规定劳动合同应当具备以下条款()A.用人单位名
浅感觉传导路径传导()。A.痛、温觉和压觉 B.痛、温觉和深压觉 C.痛、
A.去甲肾上腺素 B.异丙肾上腺素 C.盐酸肾上腺素 D.盐酸异丙嗪 E
共用题干 金先生与金女士2000年4月自由恋爱结婚。结婚后不久金先生即下岗,获
最高人民法院复核死刑案件时,对裁定不予核准,发回重审的案件,应当如何处理?()A
常见的风险因素包括()两大类。A.有形风险因素 B.责任风险因素 C.心理
最新回复
(
0
)