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
【M1】The economic growth that many nations in Asia and increasingly Africa have experienced over the past couple of decades has t
【M1】The economic growth that many nations in Asia and increasingly Africa have experienced over the past couple of decades has t
admin
2014-02-22
28
问题
【M1】
The economic growth that many nations in Asia and increasingly Africa have experienced over the past couple of decades has transformed hundreds of millions of lives — almost entire for the better.
【M2】
But there is byproduct to that growth, one that’s visible — or sometimes less than visible — in the smoggy, smelly skies above cities like Beijing. New Delhi and Jakarta.
【M3】
Because of new cars and power plants, air pollution is bad and getting worse in much of the world, and it is taking a major toll to global health.
【M4】
How big? According to a new analyze published in the Lancet, more than 3.2 million people suffered premature deaths from air pollution in 2010. the largest number on record.
That’s up from 800,000 in 2000. 【M5】
And it’s a regional problem: 65% of those deaths occurred in Asia, wherever the air is choked by diesel soot from cars and trucks, as well as the smog from power plants and the dust from endless urban construction.
In East Asia, 1.2 million people died, as well as another 712,000 in South Asia, including India. 【M6】
For the first time ever, air pollution is on the world’s top-10 list of killers, and it’s moving down the ranks faster than any other factor.
So how can air pollution be so damaging? 【M7】
It is the very finest soot — so small that it lodges deep within the lungs and from there enter the bloodstream — that contributes to most of the public-health toll of air pollution including mortality.
【M8】
Diesel soot, what is also a carcinogen, is a major problem because it is concentrated in cities along transportation corridors impacting densely populated areas.
【M9】
It is thought contribute to half the premature deaths from air pollution in urban centers.
For example, 1 in 6 people in the U.S. live near a diesel-pollution hot spot like a rail yard, port terminal or freeway.
We also know that air pollution may be linked to other nonlethal conditions, including autism. Fortunately in the U.S. and other developed nations, urban air is for the most part cleaner than it was 30 or 40 years ago, thanks to regulations and new technologies like the catalytic converters that reduce automobile emissions. Governments are also pushing to make air cleaner — see the White House’s move last week to further tighten soot standards. 【M10】
It is perfect, but we’ve had much more success dealing with air pollution than climate change.
【M11】
Will developing nations like China and India eventually catch up? Hopefully — though the problem may get worse before long it gets better.
The good news is that it doesn’t take a major technological leap to improve urban air. 【M12】
Switching from diesel fuel to unleaded helps, as do newer and cleaner cars that are more likely to spew pollutants.
Power plants — even ones that burn fossil fuels like coal — can be fitted with pollution-control equipment that, at a price, will greatly reduce smog and other contaminants.
【M13】
But the best solutions may involve urban design. In the Guardian, John Vidal notes that Delhi now has 200 cars per 1,000 people, far more than much rich Asian cities like Hong Kong and Singapore.
【M14】
Developing cities will almost certainly see an increase in car ownership as residents become wealthier — and that does have to mean lethal air pollution.
(Even ultra-green European cities often have rates of car ownership at or above the level Delhi has now.) 【M15】
Higher incomes should also lead to tougher environmental regulations, which is exactly what happened in the West. We can only hope it happens after the death toll from bad air gets even higher.
【M5】
选项
答案
wherever→where
解析
wherever引导让步状语从句,where引导地点状语语从句。先行词在从句中充当状语,故引导词使用where。
转载请注明原文地址:https://kaotiyun.com/show/BTQO777K
0
考博英语
相关试题推荐
Biotechnologyinoneformoranotherhasflourishedsinceprehistorictimes.Whenthefirsthumanbeingsrealizedthattheycoul
Sincethedawnofhumaningenuity,peoplehavedevisedevermorecunningtoolstocopewithworkthatisdangerous,boring,burd
Governmenthastraditionallybeenevaluatedintermsoftheireffectsinpromotingseveralprinciples.Wehaveseenthatoneof
Believeitornot,opticalillusion(错觉)cancuthighwaycrashes.JapanisacaseinpointIthasreducedautomobilecrashes
IsittruethattheAmericanintellectualisrejectedandconsideredofnoaccountinhissociety?Iamgoingtosuggestthatit
Anofficeisthe"brain"ofabusiness.Inanoffice,figures,listsandinformationarecompiledwhichtellthemanagersorhe
Theisolationoftheruralworldbecauseofdistanceandthelackoftransportfacilitiesis_____bytheshortageoftheinformat
InEnglandalongastretchofthenorth-easecoastwhichgentlycurvesfromNorthumberlandtotheestuaryoftheriverTees,the
随着中世纪结构的崩溃和现代生产方式的兴起,劳动的意义和作用发生了根本性的变化,这在新教国家表现得尤为突出。因为人对刚刚获得的自由感到不知所措,心里老是想着如何以一种狂热的活动来消除自己的疑虑和恐惧。这种活动无论成功或是失败都将决定他的灵魂能否获救,表明他是
Inamovetodisseminatefacultyresearchandscholarshipmorebroadly,theFacultyofArtsandSciences(FAS)votedonTuesdayto
随机试题
A.静脉尿路造影B.CTC.经皮肾穿刺造影D.尿道膀胱造影可以清晰显示肾裂伤程度,尿外渗范围的影像学检查是
A.代谢性酸中毒B.呼吸性酸中毒C.代谢性碱中毒D.呼吸性碱中毒E.无酸碱平衡紊乱实际碳酸氢盐(AB)=标准碳酸氢盐(SB)且<正常值,表明
克罗恩病临床表现个体差异不明显,多数起病隐匿、缓慢。
塔式起重机应安排在第31d(上班时刻)进场投入使用。塔式起重机在工作E与工作G之间没有闲置。
某二级公路有一批梁板采用先张法预制,在施工单位的施工组织设计中摘录了如下几个事项:事项1:多根钢筋同时张拉,并设定固定横梁和活动横粱,横梁须有足够的刚度,受力后挠度应符合规范要求。事项2:按设计要求进行张拉,即0→初应力→105%σ(持荷)→σK事件
论述新课程结构的均衡性、综合性和选择性体现的地方。
“注意”是有选择地指向和集中于一定对象或活动的心理状态。“注意”可按其产生和维持是否出于自觉的意图和努力而分为“有意注意”和“无意注意”。根据以上定义,下列关于同学们状态的描述属于“有意注意”的是()。
FortwocandidatesYourcompanyaresuedforillegalarbitragewithastockbrokerbyastockinvestor.Youhavebeenaskedtore
Whydomenbelievethattheyarebetterandclevererthanwomen?Because______.Beforetheinventionofagriculture,whatdi
UniversitiesBranchOutA)Asneverbeforeintheirlonghistory,universitieshavebecomeinstrumentsofnationalcompetitionas
最新回复
(
0
)