Question

12．閱讀下面短文，并做后面的題目，從各題所給的A、B、C 3個(gè)選項(xiàng)中選出能回答所提問題或完成所給句子的最佳答案．
    The earth is our home．We must take care of it．Life today is easier but there are some new problems．One of the biggest problems is pollution．Pollution comes in many forms．It is beginning to harm our health and even our life．
    Many years ago，the problem was not so serious because there weren't so many people．In other words，the more people，the more pollution．Now man is slowly polluting the whole world．
    Air pollution is still the most serious．It's not good for living things in the world．
    Many countries don't let people burn anything bad for air in houses and factories in the city．SO2 is now the most dangerous pollution．It's partly caused by heavy traffic．People say it's best to ride a bicycles are expensive or people are tired．It's because cars are more convenient（方便的），so more people go to work by car，and then the situation is getting worse and worse．We should make it so difficult and expensive for drivers to drive their cars into the city．They will go back to use their bicycles．

46．From the passage，life today is easier but there are some new problems，one of the biggest problems isB．
A．food               
B．pollution           
C．traffic                  
47．Many years ago，the problem was not soAbecause there weren't so many people．
A．serious            
B．light                
C．simple
48．What kind of pollution is still the most serious？C
A．Noise              
B．Water              
C．Air
49．Why don't most people go to work by bicycle？B
A．Because bicycles are expensive．
B．Because cars are more convenient．
C．Because people are tired．
50．From the passage，what do you think is the best way to go to work in the future？C
A．Taking a car．
B．Taking a bus         
C．Riding a bike．

Answer 1

分析 短文大意：現(xiàn)在的生活比數(shù)百年前是更容易了，但它也帶來了一些新的問題．最大的問題之一是空氣污染．告知人們?yōu)榱巳祟悾瑸榱撕蟠�，我們必須要保護(hù)我們的家園--地球．

解答 46-50：BACBC
46題答案：B 考查細(xì)節(jié)理解題，根據(jù)文中的第一段One of the biggest problems is pollution可知其中一個(gè)最大的問題是污染，故答案B
47題答案：A 考查細(xì)節(jié)理解題，根據(jù)文中的第二段 Many years ago，the problem was not so serious because there weren't so many people可知許多年前，問題并不嚴(yán)重，因?yàn)闆]有那么多人，故答案A
48題答案：C 考查細(xì)節(jié)理解題，根據(jù)文中的第三段Air pollution is still the most serious．可知空氣污染仍然是最嚴(yán)重的，故答案C
49題答案：B 考查細(xì)節(jié)理解題，根據(jù)文中的第四段It's because cars are more convenient可知這是因?yàn)槠�車更方便，故答案B
50題答案：C 考查細(xì)節(jié)理解題，根據(jù)文中的第四段We should make it so difficult and expensive for drivers to drive their cars into the city．They will go back to use their bicycles．我們還應(yīng)該把私家車進(jìn)入城市的費(fèi)用提的特別高，這樣私家車進(jìn)入城市就變得特別困難，他們就又該改成騎自行車了，可知將來應(yīng)該騎自行車，故答案C

點(diǎn)評 題目涉及多道細(xì)節(jié)理解題，做題時(shí)結(jié)合原文和題目有針對 性找出相關(guān)語句進(jìn)行仔細(xì)分析，結(jié)合選項(xiàng)選出正確答案．推理判斷也是要在抓住關(guān)鍵句子的基礎(chǔ)上合理的分析才能得出正確的答案．