首页
登录
职称英语
[originaltext] For years scientists have been worried about the effects of a
[originaltext] For years scientists have been worried about the effects of a
游客
2023-08-28
16
管理
问题
For years scientists have been worried about the effects of air pollution on the earth’s natural conditions. Some believe the air inside many houses may be more dangerous than the air outside. It may be one hundred times worse. Indoor air pollution can cause a person to feel tired, to suffer eye-pain, headache and other problems. Some pollutants can cause breathing disorders, diseases of blood and even cancer. Most scientists agree that every modern house has some land of indoor pollution. People began to notice the problem in the early 1970s. When builders began making houses and offices, they did not waste energy. To do this they built buildings that limited the flow of air between inside and outside. They also began using man-made building materials. These materials are now known to let out harmful gases. As the problem became more serious, scientists began searching for a way to deal with it. They discovered a natural pollution control system for buildings—green plants. Scientists do not really know how plants control air pollution. They believe that a plant’s leaves absorb or take in the pollutants. In exchange the plant lets out oxygen through its leaves and through its tiny organizations on its roots. Scientists suggest that all buildings should have one large plant or several small plants inside for every nine square meters of space. Studies of different plants show that each absorbs different chemicals. So the most effective way to clean the air is to use different kinds of plants.
30. According to the speaker, what problem may indoor air pollution bring to people?
31. What causes the indoor air pollution according to the speaker?
32. What is the most effective way to clean the air?
选项
A、They may feel exhausted.
B、They may feel very nervous.
C、They may have heartache.
D、They may suffer a cold.
答案
A
解析
细节题。短文提到,室内空气污染可能使人感觉疲倦、眼痛、头疼等。A中的exhausted对应文中的tired.故答案为A。
转载请注明原文地址:https://tihaiku.com/zcyy/2964128.html
相关试题推荐
[originaltext]Theworld’ssmartestadolescentsinmathematicsandsciencea
[originaltext]TeadrinkingwascommoninChinafornearlyonethousandyear
[originaltext]TeadrinkingwascommoninChinafornearlyonethousandyear
[originaltext]W:ProfessorWilson,canyousparemeafewminutes?M:That’sOK
[originaltext]W:ProfessorWilson,canyousparemeafewminutes?M:That’sOK
[originaltext]W:Doyouthinkyoucangiveanexactdefinitionof"management",
[originaltext]W:Doyouthinkyoucangiveanexactdefinitionof"management",
Ithasbeennecessarytoreferrepeatedlytotheeffectsofthetwoworldw
Ithasbeennecessarytoreferrepeatedlytotheeffectsofthetwoworldw
Ithasbeennecessarytoreferrepeatedlytotheeffectsofthetwoworldw
随机试题
[originaltext]M:HaveyoueverusedanyoftheservicesofferedbytheCareerSe
作为一种社会现象和历史现象,城镇化既体现了物质文明的进步,也促进了精神文明的发展。Asasocialandhistoricalphenomenon,
TheflagoftheUnitedKingdomismadeupof______crosses.A、oneB、twoC、threeD、
Languagelearningbeginswithlistening.Individualchildrenvarygreatlyin
在经营决策中应用量本利分析法的关键在于确定“成本分界点”,找到了成本分界点,就可
下列关于水泵及其安装的叙述,正确的是哪项?( )A.当起重设备采用固定吊钩或移
男,40岁。长期酗酒,近期发现身上有小的出血点,乏力,厌食,伴有中度黄疸,并出现
咽喉淡红漫肿者,属A.肺胃热盛B.阴虚火旺C.痰湿凝聚D.肾水亏少E.肺胃热毒
领导十分欣赏你,经常让你放下手中的工作陪他出差,单位同事有意见,你怎么办?
某上市公司拟向特定对象非公开发行股份,已知定价基准日前20个交易日公司股票均价为
最新回复
(
0
)