首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
A report published recently brings bad news about air pollution. It suggests that it could be as damaging to our health as expos
A report published recently brings bad news about air pollution. It suggests that it could be as damaging to our health as expos
admin
2015-12-09
51
问题
A report published recently brings bad news about air pollution. It suggests that it could be as damaging to our health as exposure to the radiation from the 1986 Ukraine nuclear power disaster. The report was published by the UK Royal Commission on Environmental Pollution. But what can city people do to reduce exposure to air pollution? Quite a lot, it turns out.
Avoid walking in busy streets. Choose side streets and parks instead. Pollution levels can fall a considerable amount just by moving a few meters away from the main pollution source -exhaust fumes(烟气). Also don’t walk behind smokers. Walk on the windward side of the street where exposure to pollutants can be 50 percent less than on the downwind side.
Sitting on the driver’ s side of a bus can increase your exposure by 10 percent, compared with sitting on the side nearest the pavement. Sitting upstairs on a double-decker can reduce exposure. It is difficult to say whether traveling on an underground train is better or worse than taking the bus. Air pollution on underground trains tends to be less toxic than that at street level, because underground pollution is mostly made up of tiny iron particles thrown up by wheels hitting the rails. But diesel and petrol fumes have a mixture of pollutants.
When you are crossing a road, stand well back from the curb while you wait for the light to change. Every meter really does count when you are close to traffic. As the traffic begins to move, fumes can be reduced in just a few seconds. So holding your breath for just a moment can make a difference, even though it might sound silly.
There are large sudden pollution increases during rush hours. Pollution levels fall during nighttime. The time of year also makes a big difference. Pollution levels tend to be at their lowest during spring and autumn when winds are freshest. Extreme cold or hot weather has a trapping effect and tends to cause a build-up of pollutants.
It is implied in the passage that______.
选项
A、people should not take street level transportation
B、tiny iron particles will not cause health problems
C、the air pollution on an underground train is less poisonous
D、traveling on an underground train is better than taking the bus
答案
C
解析
转载请注明原文地址:https://kaotiyun.com/show/DxRO777K
0
成人本科学位英语
相关试题推荐
When______whyhewalkedinwithoutpermission,hejuststaredatusandsaidnothing.
Muchfamilyquarrellingendswhenhusbandsandwivesrealizewhattheseenergycyclesmeanandwhichcycleeachmemberofthefa
Withoutapassport,leavingthecountryis______.
Toooftenyoungpeoplegetthemselvesemployedquitebyaccident,notknowingwhatliesinthewayofopportunityforpromotion,
Thefourth-gradersatChicago’sMcCormickElementarySchooldon’tknowChineseissupposedtobehardtolearn.Formost,whosp
Withoutproperplanning,tourismcancauseproblems.Forexample,toomanytouristscancrowdpublicplacesthatarealsoenjoye
(Sincethebeginning)ofthiscentury,moreandmorescientists(havebecome)inter-ested(in)(thewayhow)thehumanbrainwor
Byadoptingafewsimpletechniques,parentswhoreadtotheirchildrencangreatlyincreasetheirchildren’slanguagedevelopme
Byadoptingafewsimpletechniques,parentswhoreadtotheirchildrencangreatlyincreasetheirchildren’slanguagedevelopme
Attention,coffeelovers!Wehaveforyou,thebestcoffeemachine______invented.
随机试题
食品卫生标准的意义有哪些?
新生儿出生时有重度窒息,生后24小时,小儿烦躁、肢体抖动。体检:体温正常,前囟饱满,肌张力增高,瞳孔等大,心肺听诊正常。血白细胞11.0×109/L,中性粒细胞0.65,血钙2.4mmol/L,血糖2.5mmol/L。哪项治疗措施不妥
A.地黄B.黄精C.黄芩D.川乌E.附子炮制后药性由寒转温,具有滋阴补血功能的药物是
宫内生长发育的质量是影响宫外生长发育状况、()的一个重要因素。
TheGlobalMethodtakes______asitstheoreticalbasis.
企业在一定期间发生亏损,但企业在这一会计期间的所有者权益总额不一定减少。()
关于能源及能源的利用,下列说法中不正确的是:
下列哪项与英国无关?
信息安全风险评估______。
WhenmykidsgoaweekendwithoutpizzaandTVwhilecamping,theythinktheyaresufferinggreat______.
最新回复
(
0
)