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
16
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] 【B6】
选项
答案
eliminating
解析
此空所在句缺少谓语动词。eliminate意为“消除”,注意要去掉e再加-ing。
转载请注明原文地址:https://tihaiku.com/zcyy/2940456.html
相关试题推荐
Iamoneofthemanycitypeoplewhoarealwayssayingthatgiventhechoice
Iamoneofthemanycitypeoplewhoarealwayssayingthatgiventhechoice
Iamoneofthemanycitypeoplewhoarealwayssayingthatgiventhechoice
Nowadays,computerisbecomingmoreandmorewidelyused.Butpeoplearenot
Nowadays,computerisbecomingmoreandmorewidelyused.Butpeoplearenot
Nowadays,computerisbecomingmoreandmorewidelyused.Butpeoplearenot
FormostpeopleatripacrossEuropeancontinentisachancetoseethesigh
FormostpeopleatripacrossEuropeancontinentisachancetoseethesigh
Thisyear,morethan43millionpeopleareexpectedtovisitDisney’stheme
Thisyear,morethan43millionpeopleareexpectedtovisitDisney’stheme
随机试题
Ihavenevermethim___________________(尽管我与他通信往来几年了).thoughIhavebeeninc
A.甲胎蛋白升高 B.肝大,中毒症状重 C.肝穿刺抽出咖啡色脓汁 D.总胆
可用于减轻季节性过敏性鼻炎相关症状的药物是A.M受体拮抗剂 B.白三烯受体阻断
在Windows中,要查看到目标主机Alice的路径,可使用()命令。A.t
流行病学研究的基础是A.描述性研究 B.分析性研究 C.实验性研究 D.理
依据《义务教育美术课程标准(2011年版)》,下列不属于美术课程性质的是()
人际吸引的基本原则有( )A.强化原则 B.联想原则 C.社会交换原则
关税配额证明属于随附单证中的海关单证( )
如果识别出可能导致对持续经营能力产生重大疑虑的事项或情况,注册会计师应当实施的追
(2017年真题)固定总价合同中,承包商承担的价格风险是()。A.工程计量错误
最新回复
(
0
)