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Unit 4 Globalwarming-Section(1)一、根据下列各句句意及括号内的汉语提示,写出所缺单词的正确形式1They generally _(消费) more power and take up more space,too.2All of us _(同意)whole heatedly to this theory.3Our friendship has _(稳固地)strengthened over the years.4In dealing with this new _(现象),I have two points to make.5Wood,coal,oil,petrol and gas are all different kinds of _(燃料)6The _(数据)should be updated once a week.7Theres been an upward _(趋势)in sales in the last few years.8Early warnings of rising water levels prevented another major _(大灾难)9The heavy rain has caused _(洪水)in many parts of the country.10A(n) _(一瞥) at my watch showed that it was nearly five and I was bored to death.二、根据句意填入适当的介词1Have you got time for a glance _ his report?2It will encourage a greater range _ animals.3The company has made a lot development resulting _ everyones hard work.4Every year large quantities _steel products are turned out in our factory.5He didnt lose heart,and kept _trying.6I have never subscribed _ the view that schooldays are the happiest days of our life.7Though many residents were opposed _ the plan of building the motorway,the government decided to carry it out.三、用方框里所给短语的适当形式填空1If you want to make the kite _,pull the string hard,and then release it slowly.2If left untreated,the condition will eventually _ blindness.3She _ working although she was tired.4How the accident _ remains to be looked into.5Before the entrance examination,they have to do _ exercises.6The pressure _ over the year,and eventually I had to leave my job.7Wed almost finished solving the problem when our time _.四、根据汉语及括号内的提示,完成下列句子1他声明他迟到是高速公路上车辆过多所致。(state;be due to)He _ that his lateness _ the very heavy traffic on the motorway.2这次事件直接导致她失去了所拥有的一切。(consequence)She lost everything she owned _ the event.3这里夏天雨水多,干燥的天气少。(tend;rather than)It _ a lot here in summer _ be dry.4小吉姆不愿意到这里来,即使这里有给孩子们提供的各种活动。(even if;range)Little Jim is unwilling to come here _ for children.5这个国家的人口每年都以稳定的速度在增长。(steady)The population of the country is growing _ per year.6飞机坠毁事件导致300多人死亡。(result in)The plane crash _ of more than 300 people.7学校为学生提供各种各样的兴趣活动。(a range of)The school _ interest activities to students.8我累了就容易出错。(tend)When I am tired,I _.9你怎么又迟到了?(come about)_ that you were late again?10他强烈反对禁止香烟广告。(be opposed to)He _ on cigarette advertising.五、阅读理解AFollowing some of the tips for green living helps save our planet.All of these involve just a few changes to our daily habits.Just walk and limit the use of your car.One of the poster images of pollution is our vehicles.It burns fuel.It is not as efficient as we hope it could be,and we use it every single day.To lessen the effects of the air pollution caused by our vehicles,we should limit their use.If we can walk to our destination then just let us go.Not only do we lessen our carbon dioxide emissions,but we also get a good exercise out of it.Use a laptop instead of a computer desktop.Laptops are more energy efficient compared to their bigger counterparts.A laptop is generally 50 percent more efficient in using electricity.Aside from that there are other benefits of a laptop.It is portable so you can work anywhere you like and that you get powerful features without the large size of desktop units.Turn off the faucet while you are brushing your teeth.It is always a better idea to use a glass when we are brushing our teeth and not to just let the faucet keep on running.Therefore,there is less water to waste while we are cleaning our pearly whites.Simply turn off the faucet when you are not using it.Make good use of natural light.We have a great and natural lampthe sun,and we should learn how to take full advantage of it during daytime.So instead of turning on our lights or lamps if it is still not evening,we should pull up the drapes and let the natural light come in from the windows.These are just some of the best tips for green living,and of course there are still many of these tips if you just search for them.But you can do your own variation any time just always prioritize how you can use less energy and produce even less trash and pollution.1Whats the best title for the passage?AHow to Save Our PlanetBHow to Change Our Daily HabitsCTips for Green Living TodayDGreen Living and Serious Pollution 2Compared with a computer desktop,a laptop is _.Aless energy efficient Bfaster at workCeasy to repair Deasy to carry 3How many tips does the passage mention for green living today?AThree. BFour. CFive. DSix.4The underlined word “prioritize” in the last paragraph can be replaced by the word “_”Adecrease Bconsider Cimagine Dguess5Which of the following is NOT true?AA few changes to daily habits can help a lot.BWhile washing teeth we should turn off the faucet.CVehicles bring pollution and we should try to avoid them.DIn the daytime we should not pull up the drapes.BA nearly icefree Arctic Ocean in the summer may happen three times sooner than scientists have assessed.New research says the Arctic might lose most of its ice cover in summer in as few as 30 years instead of the end of the century.The amount of the Arctic Ocean covered by ice at the end of summer by then could be only about 1 million square kilometers.Thats compared to todays ice extent(范围)of 4.6 million square kilometers.So much more open water could be a boon for shipping and for extracting(开采)minerals and oil from the seabed,but it raises the question of ecosystem change.While the Intergovernmental Panel on Climate Change in 2007 assessed what might happen in the Arctic in the future based on results from more than a dozen global climate models,two researchers said that dramatic drops in the extent of ice at the end of summer in 2007 and 2008 called for a different approach.Out of the 23 models now available,the new predictions are based on the six most suited for assessing sea ice,according to Muyin Wang,a University of Washington climate scientist,and James Overland,an oceanographer.Wang and Overland sought models that best matched what has actually happened in recent years,because,“if a model cant do todays conditions well,how can you trust its future predictions?”Wang says.“In recent years the combination of unusual warm temperatures from natural causes and the global warming signal have worked together to provide an earlier summer seaice loss than was predicted when scientists considered the effects from humancaused carbon dioxide alone,”says Overland.Scientists dont expect the Arctic to be totally ice free,figuring that ice still will be found along northern Canada and Greenland where powerful winds sweeping across the Arctic Ocean force ice layers to slide on top of each other,making for a very thick ice cover.6The main idea of this passage is supported by_.Athe theory that has been provedBopinions from government officialsCexamples that were provided by the authorDresearchers assessment of the global climate models7What does the underlined word “boon”in the second paragraph mean?AAdvantage. BDevelopment.CImprovement. DRevolution.8Which statement do the researchers seem to agree with?AThe ice in the Arctic will disappear completely in 30 years.BThere will be a very thick ice cover in northern Canada.CThe seaice loss was the effect of the unusual climate change.DThe temperature will be very low in the future because of the sea ice.9How many models was the new prediction made by Muyin Wang and James Overland based on?A3. B6. C12. D23.10The author writes this passage to tell readers_.Ahow to prevent global warmingBthe cause of global warmingCthe new research about the Arctic sea iceDhow to do research with models参考答案一、根据下列各句句意及括号内的汉语提示,写出所缺单词的正确形式1.答案:consume2.答案:subscribe3.答案:steadily4.答案:phenomenon5.答案:fuel(s)6.答案:data7.答案:tendency8.答案:catastrophe9.答案:floods10.答案:glance二、根据句意填入适当的介词1.答案:at2.答案:of3.答案:from4.答案:of5.答案:on6.答案:to7.答案:to三、用方框里所给短语的适当形式填空1.答案:go up2.答案:result in3.答案:kept on4.答案:came about5.答案:quantities of6.答案:built up7.答案:ran out四、根
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