A meeting about climate change was held in December 7-18.2009in Copenhagen ．Officials from 192countries and regions took part in it．They tried to make a new worldwide deal to control global warming� 题目和参考答案——青夏教育精英家教网—

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8．A meeting about climate （气候） change was held in December 7-18，2009in Copenhagen （哥本哈根）．Officials from 192countries and regions （地区） took part in it．They tried to make a new worldwide deal （协议） to control global warming．The meeting was called"the last chance to save humans"．
Global warming is an important problem in today's world．A warmer Earth may lead to changes in rainfalls （降雨量），the melting of icebergs （冰山融化） and have an effect on plants，animals and even humans．As the sea level rises，some countries are in danger of disappearing．It is reported that Tuvalu，an island country in Pacific，will be the first country to disappear．
Carbon dioxide （二氧化碳） is the major greenhouse gas（气体） that leads to global warming．It makes up about 80% of all greenhouse gases．It mainly comes from factories and cars．
Scientists and officials think it is high time to cut carbon emissions （减少碳排放）．They hope to cut emissions by 25-45% by 2010．A number of countries have made plans．The European Union decides to cut emissions by 20% by 2010．It can cut as much as 30% if all developed countries take action，too．
It is hard for developing countries to make a decision．These countries are working hard to develop their economies （经济） and improve people's lives．To do this，countries have to build more factories and the factories will produce more carbon dioxide．So cutting emissions means slowing down their development．However，they are looking for new ways out．China says it will try to cut carbon emissions by 40-50% by 2020．
根据短文内容，从题中所给的A、B、C、D四个选项中，选出正确答案，并在答题卡上将该项涂黑．
71．The meeting was held in order toC．
A．increase rainfalls
B．solve problems about factories
C．control global warming
D．help an island country，Tuvalu
72．What will cause the disappearing of some countries？D
A．Cutting carbon emissions．
B．Improving people's lives．
C．Slowing down the development．
D．Making the earth warmer．
73．The main part of greenhouse gas isA from factories and cars．
A．CO2 B．COC．C．H2O．D．O2
74．Scientists and officials wish all countries in the world to cut emissions byB by 2010．
A.20%B.25-45%C.30%D.40-50%
75．From the passage，we realizeC．
A．it's very important to protect plants and animals
B．it's easy for every country to control global warming
C．it's very necessary for us to cut carbon emissions
D．it's high time for developing countries to develop the economies．

分析全球变暖是当今世界的一个重要问题．地球变暖可能导致降雨量增多，冰山融化，随着海平面的上升，一些国家正面临消失的危险．二氧化碳是导致温室效应的主要气体，主要来自工厂和汽车，我们应该减少二氧化碳的排放．

解答 71．C细节理解题．根据They tried to make a new worldwide deal （协议） to control global warming．可知会议的目的是防止全球变暖，故选C．
72．D细节理解题．根据A warmer Earth may lead to changes in rainfalls （降雨量），the melting of icebergs （冰山融化） and have an effect on plants，animals and even humans．As the sea level rises，some countries are in danger of disappearing可知地球变暖可能导致一些国家正面临消失的危险，故选D．
73．A细节理解题．根据Carbon dioxide （二氧化碳） is the major greenhouse gas（气体） that leads to global warming．It makes up about 80% of all greenhouse gases．It mainly comes from factories and cars．可知二氧化碳是导致温室效应的主要气体，故选A．
74．B细节理解题．根据Scientists and officials think it is high time to cut carbon emissions （减少碳排放）．They hope to cut emissions by 25-45% by 2010可知科学家和政府官员希望将碳排放量降低25-45%，故选B．
75．C细节理解题．根据Carbon dioxide （二氧化碳） is the major greenhouse gas（气体） that leads to global warming可知二氧化碳是导致温室效应的主要气体，对我们来说减少二氧化碳排放是非常必要的，故选C．

点评做题时要在理解好文意的基础上，与题目有机的结合，从文章中找到相关细节性的句子与选项细细比对，进行选择或推理判断，找出符合文章内容的正确答案．做题注意灵活，有时可采用排除法或直选法确定出最终答案．

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