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  3. Air quality in Britain has improved considerably in the last 30 years. Total emissions of smoke in the air have risen by over 8

Air quality in Britain has improved considerably in the last 30 years. Total emissions of smoke in the air have risen by over 8

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问题    Air quality in Britain has improved considerably
in the last 30 years. Total emissions of
smoke in the air have risen by over 85 per cent        【1】______
since 1950. The domestic smoking control               【2】______
program has been particularly important in achieving                    
this result. London and other major cities are no      【3】______
longer have the dense smoke-laden "smogs" of the                    
1950s, but in central London winter sunshine has       【4】______
increased about 70 per cent since 1958.                【5】______
   Since 1990, daily air pollution data from the                    
British monitoring network has been made available     【6】______
to the public by the Department of the                              
Environment’s Air Quality Bulletins. These give the                     
concentrations of three main pollutants--ozone, nitrogen         
dioxide and sulfur dioxide -- and grade air quality                    
on a scale between "very weak" and "very               【7】______
good". The information features in television and                    
radio weather reports, appears in many national and    【8】______
local newspapers. Therefore, the data are available    【9】______
on a special free telephone number and on videotext                    
systems.                                                            
   A comprehensive review of the issue of urban                    
air quality was published in January 1992. Three                    
independent committees of which experts have been      【10】______
established to advise on different aspects of the problem,
and will set guidelines and targets for air quality.
The network is also being extended and up-
graded at a cost of ￡ 10 million.
【M2】
选项
答案将smoking改为smoke。
解析 smoke作“烟雾”讲，而smoking则作“抽烟，吸烟”讲，例如：Love is a smoke raised with the fume of sighs; Being purged，a fire sparkling in lovers’ tears．What is it else ?A madness most discreet，a choking gall，and a preserving sweet。爱情是叹息吹起的一阵烟，恋人的眼中有它净化了的火光，恋人的眼泪是它激起的波涛。它又是最谨慎的疯狂，哽喉的苦味，吃不到嘴的蜜糖。Smoking is in general amoral，but sometimes it can be immoral．一般说来抽烟不是属于道德问题，但在某些时候它可以是不道德的。
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