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
2024-04-19
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】______heal the ffects.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 symptom soccur.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] 【B2】
选项
答案
occasionally
解析
若去除此空,并不影响句子大意,故推断空格处应填入虚词。occasionally意为“有时候”,拼写时要注意双写c和l。
转载请注明原文地址:https://tihaiku.com/zcyy/3562293.html
相关试题推荐
Mostpeopleareawarethatoutdoorairpollutioncandamagetheirhealth,bu
Mostpeopleareawarethatoutdoorairpollutioncandamagetheirhealth,bu
Mostpeopleareawarethatoutdoorairpollutioncandamagetheirhealth,bu
Mostpeopleareawarethatoutdoorairpollutioncandamagetheirhealth,bu
Mostpeopleareawarethatoutdoorairpollutioncandamagetheirhealth,bu
Mostpeopleareawarethatoutdoorairpollutioncandamagetheirhealth,bu
Mostpeopledon’twakeupinthemorning,combtheirhair,andwalkoutthe
Mostpeopledon’twakeupinthemorning,combtheirhair,andwalkoutthe
Mostpeopledon’twakeupinthemorning,combtheirhair,andwalkoutthe
Mostpeopledon’twakeupinthemorning,combtheirhair,andwalkoutthe
随机试题
Toerrishumanandtoforgivedivine,accordingtotheoldadage.Humanswh
________,beingthemostcontroversialcandidateintheelectioncampaign,heha
WhyisMr.Hajimerespectedthroughouthisoffice?[br]What’sthefeatureofJa
上述属于乙类传染病的是A.鼠疫、炭疽B.艾滋病、炭疽C.狂犬病、麻风病D.猩红热
从所给的四个选项中,选择最合适的一个填入问号处,使之呈现一定的规律性:
对产品、方法及其改进所提出新的技术方案A.实用新型 B.外观设计 C.专利
一、简答题(本题共3题。第1小题8分。第2小题10分,第3小题17分。共35分)
基础心理学是研究()。 (A)正常成人心理现象的心理学基础学科 (B
国家取得的下列收入及支出,不应编制资本经营预算的是()。A.从国家出资企业
治疗肥厚型梗阻性心肌病最好选用A.地尔硫B.洋地黄C.阿托品D.利多卡因E.胺碘
最新回复
(
0
)