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
63
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] 【B9】
选项
答案
pay attention to
解析
此空位于不定式标志to之后,需要填入原形动词。pay attention to指“注意”,拼写时attention要双写t。
转载请注明原文地址:https://tihaiku.com/zcyy/2940459.html
相关试题推荐
Mostpeopledon’tenjoyfacingthedifficultsituationsthatsometimesoccur
Mostpeopledon’tenjoyfacingthedifficultsituationsthatsometimesoccur
Somepeoplebelievethatyouhavetobeaspecialkindofpersontosellap
Somepeoplebelievethatyouhavetobeaspecialkindofpersontosellap
Somepeoplebelievethatyouhavetobeaspecialkindofpersontosellap
Somepeoplebelievethatyouhavetobeaspecialkindofpersontosellap
Somepeoplebelievethatyouhavetobeaspecialkindofpersontosellap
Somepeoplebelievethatyouhavetobeaspecialkindofpersontosellap
[originaltext]Nuclearpower’sdangertohealth,safety,andeventolifeit
Telecommunicationsisjustoneofthemeansbywhichpeoplecommunicateand,
随机试题
Percentageofstudentswhoreportedspendingtimeonhomework
Kitescomeinallshapesandsizes,some______aperson.A、largeenoughcarrying
______(你不该采用欺骗手段);noonewillbelieveyouanymore.Youshouldn’thaveresorted
【C1】______hundredsofyears,artistshavebeencraftingbeautifulteapotsto
Whatisrhythminliteratureaccordingtothepassage?[br][originaltext]R
大量心包积液引起急性心脏压塞,典型的体征是()A.奇脉 B.水冲脉 C.交
患者,女,60岁。急性化脓性乳腺炎切开排脓,用红升丹药条引流2天,周围出现大片皮
隧道掘进中超前支护常用方法及特殊情况下采用的方法有()。A、注浆加固法 B、
某粮油零售市场2010年1月至1o月花生油和粳米的销售量及其市场价格如表7—4所
牛黄解毒片在制备时,方中黄芩、石膏、桔梗、甘草采用共同水煎,药液浓缩成膏,大黄以
最新回复
(
0
)