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Text 4 Visiting Oxford Street,a rwd fiUi

练习题库2022-08-02  38
问题 Text 4 Visiting Oxford Street,a rwd fiUing wilh tatty shop,and overcrowded with people,is plainly a trial.Less plainly,levels of nitrogen dioxide（NO2）,a noxious gas,have been found to be around three times higher there Lhan the legal limit.In 2013 the annual mean concentration of N02 0n the street was one of the highest levels found anywhere in Europe.British air is far cleaner than it was a few decades ago.Fewer people use coal-burning stoves;old industrial plants have been decommissioned.But since 2009 levels of nitrogen oxides and particulate matter,coarse or fine particles that are linked to lung cancer and asthma,have fallen more slowly.The exact iiumber of deaths caused by dirty air is unknown.But in 2010 a govemment advisory group estimated that removing man-made fine particulate matter from the atmosphere woulcl in crease life expeclancy for ihose born in 2008 by an average of six months.Much of the slowdown is the result of fumes from diesel cars,which were championed by successive governments because they use less fuel and thus produce less carbon dioxide than petrol cars.In 2001 0nly 14%0f all cars ran on diesel;by 2013 the proportion had increased t0 35%.（Greener"hybrid"and elecLric cars have increased nine fold since 2006,but account for just 0.5%of the entire fleet.）Second-hand cars are particularly noxious,but even newer ones have not been as clean as hoped.Many cars that let out few pollutants in tests procluced more on the roads.Government's hesitation has not helped.Part of the problem is that several departmenLs are responsible for air pollution.This means nobody has taken a lead on it,complains Joan Walley,a Labour MP who chairs an environmental committee that has released a series of damning reports.And few politicians are keen to fire drivers.However,some improvements have been made.In 2008 a"low-enussion zone"was created in London,which targets large vans and coaches.A smaller"uhra low-enussion zone"has been proposed for 2020,which would charge all vehicles that are not of a certain standard 12.50 pounds a day.European Comnussion fines for breaching limits may encourage cities to do more.But oLher countries are more ambitious:60 such zones exist in Germany,targeting private cars as well as vans.In December Anne Hidalgo,the mayor of Paris,announced that she wanted to ban diesel cars by 2020.Successive governments have advocatecl diesel cars becduse______A.they are much cheaper than pelrol carsB.they use less fuel and save more moneyC.they produce less carbon dioxide than all cars
选项 A.they are much cheaper than pelrol cars
B.they use less fuel and save more money
C.they produce less carbon dioxide than all cars
答案 C
解析 细节题。定位到第三段。根据successive govemments，diesel cars等关键词定位到该段首句：Much of the slowdown is the result of fumes from diesel cars,which were championed by successive governments because they use less fuel and thus produce less carbon dioxide than petrol cars.其中，champion表示“拥护，支持”，等于题干的advocate“主张．拥护”。而答案句来自because-句。选项[A]they are much cheaper than petrol cars“柴油汽车比汽油汽车更便宜”；其中much cheaper纯属无中生有，故排除。[B]they use less ruel and save more money“柴油汽车耗用燃料更少且更省钱”；后半句的save more money也是无中生有。[C]they are more envIronmentally friendly“柴油汽车更加环保”；该项与原文produce less carbon dioxide“产生更少二氧化碳”是同义替换。[D]they produce less carbon dioxidelhan all cars“柴油汽车比所有汽车产生更少的二氧化碳”；其中all-词过于绝对，下文明确提到greener hybrid and electric cars“更加绿色环保的混动汽车和电动汽车”，可见该项表达是错误的。综上，本题答案为[C]。
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