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
62
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.
If you take a bus in a big city in China, you should sit______.
选项
A、on the left side in the bus
B、on the right side in the bus
C、in the middle of the bus
D、in the back of the bus
答案
B
解析
转载请注明原文地址:https://kaotiyun.com/show/xxRO777K
0
成人本科学位英语
相关试题推荐
There(are)twokindsof(computers)inthiscountry,bothof(them)arewidely(used)today.
Formanypeopletoday,readingisnolongerrelaxation.Tokeepuptheirworktheymustreadletters,reports,tradepublication
Peopletravelforalotofreasons.Sometouristsgotoseebattlefieldsorreligiousshrines.Othersarelookingforculture,o
TheRedCrossisaninternationalorganization,whichcaresforpeoplewhoareinneedofhelp.AmaninaParis【C1】______whone
Whichsporthasthemostexpenses______trainingequipment,players’personalequipmentanduniforms?
Muchunfriendlyfeelingtowardscomputershasbeenbasedonthefearofwidespreadunemploymentresultingfromtheirintroductio
A(Sincethebeginning)ofthiscentury,moreandmorescientistsB(havebecome)interestedC(in)D(thewayhow)thehumanbrain
SpeakerA:Wouldyoulikeanotherpieceofapplepie(苹果派)?SpeakerB:______
SpeakerA:Areyoufeelingbetternow?SpeakerB:________
Thefacesofelderly,happily-marriedpeoplesometimesresembleeachother.Dr.Aikenstudiedanumberofcoupleswhohadbeen
随机试题
氯吡格雷与奥美拉唑因竞争共同的肝药酶而避免联合应用,该肝药酶是
Thefutureofthatcountrywillbehardtopredict_________theeconomicsystemisreformed.
创造新型的师生情感关系的努力方向是()
供配电系统是由电源系统和输配电系统组成的产生电能并供应和输送给用电设备的系统。()
XMLWeb服务
我们通常所指的EDI标准是
最常见的肺炎为
女,35岁。脸圆、脸红、向心性肥胖1年余,患者感明显乏力与口干。腹部皮肤可见紫纹,皮肤薄。血压160/80mmHg,闭经1年。如果该患者行胸部CT检查发现左肺有占位性病变,考虑的可能诊断是()
当事人甲、乙分别于4月16日、4月19日收到县人民法院一审判决,当年国家规定5月1日至5月3日放假,关于甲、乙的上诉期,下列说法正确的是:()
彩虹有多种颜色,外圈红,内圈紫。(range)
最新回复
(
0
)