8．Waste can be seen everywhere in the school．Some students ask for more food than they can eat，and others often forget to turn off the lights when they leave the classroom．They say they can afford these things．But I don't agree with them．
Waste can bring a lot of problems．Although China is rich in some resources，we are short of（缺乏）others，for example，fresh water．It is reported that we will have no coal or oil to use in 100 years．So if we go on wasting，what can we use in the future and where can we move？Think about it．I think we should say no to the students who waste things every day．Everybody should stop wasting as soon as possible．
In our everyday life，we can do many things to prevent waste from happening，for example，turn off the lights when we leave the classroom，try not to order more food than we need，and so on．Little by little，everything will be changed．Waste can be stopped one day，if we do our best．
45．Some students buy much food，but theyA．
A．cannot eat it all       
B．don't like it      
 C．cannot pay it
46．What's the Chinese for"resource"？B
A．地區(qū)
B．資源
C．領(lǐng)域
47．According to the passage，we don't have enoughC
A．food  
B．fruit       
C．fresh water
48．We may stopBif we do our best．
A．ordering food   
B．wasting     
C．turning on the lights．

分析 這篇短文主要講述日常浪費(fèi)問題．文章介紹，浪費(fèi)會(huì)帶來許多諸如資源缺乏等問題，因而號(hào)召人們?cè)谌粘Ｉ钪斜M量做到節(jié)約，避免浪費(fèi)．

解答 45．A．細(xì)節(jié)題，結(jié)合第一段Waste can be seen everywhere in the school描述，可知學(xué)生們?cè)趯W(xué)校常浪費(fèi)東西．故選A．
46．B．詞意猜測(cè)題．結(jié)合Although China is rich in some resources，we are short of（缺乏）others，for example，fresh water可知這里是說中國(guó)的水缺乏，也就是水資源，故答案是B．
47．C．細(xì)節(jié)題，結(jié)合第二段Although China is rich in some resources，we are short of（缺乏）others，for example，fresh water可知這里是說中國(guó)的水缺乏，故選C．
48．B．細(xì)節(jié)題，結(jié)合最后Waste can be stopped one day，if we do our best．可知可以停止浪費(fèi)，故選B．

點(diǎn)評(píng) 本題首先要通讀全文，了解大意，緊緊抓住上下文語(yǔ)境所提供的信息，然后明確詞意和詞的搭配，并注意上下連貫，合乎邏輯，最后通讀全文，細(xì)心檢查．

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