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
26
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、The building method the builders use to save energy.
B、The limit of the flow of air between inside and outside.
C、The use of man-made building materials.
D、The limit of air-flow and the man-made materials.
答案
D
解析
细节题。短文提到,建筑者们为了不浪费能源.他们建造能限制室内与室外之间的空气流动的建筑物,他们还开始使用人造建筑材料。据目前所知.这些材料会释放出有害气体。正是这两个方面导致了室内空气污染,因此本题选D。
转载请注明原文地址:https://tihaiku.com/zcyy/2964129.html
相关试题推荐
[originaltext]ItwasagloriousdaywhenSteveDobsonrealizedthemountain
[originaltext]ItwasagloriousdaywhenSteveDobsonrealizedthemountain
[originaltext]Therearethreekindsofgoals,short-term,medium-rangeand
[originaltext](35)Doyouknowhowtoadvertiseforabank?Ifyouaskpeopl
[originaltext](35)Doyouknowhowtoadvertiseforabank?Ifyouaskpeopl
[originaltext]M:Hello.HowcanIhelpyou?W:I’dliketorentacarforsome
[originaltext]M:Now,whatseemstobethetrouble,Mrs.Stephens?W:I’vebeen
[originaltext]M:Now,whatseemstobethetrouble,Mrs.Stephens?W:I’vebeen
[originaltext]M:Now,whatseemstobethetrouble,Mrs.Stephens?W:I’vebeen
[originaltext]M:Now,whatseemstobethetrouble,Mrs.Stephens?W:I’vebeen
随机试题
[originaltext]OPEChasdecidedthiswasnotthetimeforcuttingpetroleum
[originaltext]Somediseasesareinfectious—likecoldsandfluButwhatabou
Then,whydoAmericanswanttoworkharder?Onereasonmaybethatthereal
Thereisnodoubtaboutit:theEarthreallyisgrowingwarmer.Ifyoulive
牙龈瘤的组织来源为A.牙周膜 B.牙槽骨 C.牙龈上皮 D.颌骨骨皮质
我国癌症的危险因素有()。A.吸烟 B.乙型肝炎病毒及其他病毒感染 C.膳食
影响人力资源需求预测的一般因素:
A.α受体阻断药 B.不属于交感神经抑制药 C.β受体阻断药 D.交感末梢
过敏性疾病、皮肤病与寄生虫病可呈现A.淋巴细胞增多 B.单核细胞增多 C.中
劳动关系的运行主要包括()的内容。A.组织机构与相互关系 B.关系处理的规则
最新回复
(
0
)