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1、Task 1Unit 1 Unit 2 Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit 8 Unit 9 Unit 10Task 1 Task 2 Task 3Model 1 Model 2 Model 3Task 1 Task 2 Task 3Listening Task 1 Listening Task 2 Listening Task 3 Viewing&speaking Task1 Viewing&speaking Task 2Select unit Lead-in Basic listening Listening in Speaking outUni
2、t 2 Our globe is in danger!Done with this task.Target score:60%Your current score:83%Lets talk Further L and S Course resources Check&checkUnit 2 testNextDirections:Click on the speaker to the left to start playing the audio recordingsA Parts I,II and III.They will be played continuously.Once the re
3、cording starts playiP please do NOT click on either the speaker icon or the Unit Quiz link in the menuabove.Otherwise,you may lose the chance of hearing the complete recording.Part I ScriptDirections:Listen to the short dialogs,and then choose the correct answersto the questions.You will hear the re
4、cording twice.After the first playing,there will be time for you to choose the correct answers.Use the second playingto check your answers.1.(Listen to the audio recording for the question.)C A.It is the biggest problem.C B.It is the second most important problem.7 E c.It is important but not the mo
5、st urgent problem.匕 D.It is not important.2.(Listen to the audio recording for the question.)C A.The same as the man，s.匕 B.The environment is hopeless.区 C The environment is improving.C D.The environment is free from problems.3.(Listen to the audio recording for the question.)已 A.Its too late for th
6、e government in the womanJ s home town to protectwater resources.K B.The water in the man，s home town is not polluted.C C.People in the womanJ s home town have a strong sense of waterconservation.C D.The man invites the woman to visit his home town.4.(Listen to the audio recording for the question.)
7、C A.Go to the zoo.匕 B.Read a book.区 C Join in a club.C D.Go for a trip.5.(Listen to the audio recording for the question.)O A.Plastic.C B.Coal.C C.Exhaust air.E D.Waste rubber.Part II ScriptDirections:Listen to the passage three times.When the passage is read forthe first time,listen for the general
8、 idea.When the passage is read the secondtime,fill in the blanks numbered from SI to S7 with the exact words you hear.For blanks numbered from S8 to S10,write down either the exact words you hearor the main points in your own words.When the passage is read the third time,check your answers.Every day
9、,the average person breathes in about 20,000 liters of air.Everytime we breathe,we risk inhaling dangerous(1)1 chcmicals that have foundtheir way into the air.Air pollution includes all pollutants found in theatmosphereThesedangerous substances can be either in the form of gases or(3)JparticlesAir p
10、ollution can be found both outdoors and indoors.Pollutants can be(4)I a p y u u j i 1 J,i i-i,i,/I vcxo v oI inside buildings,causing indoor pollution that I for along time.The sources of air pollution are both natural and(6)|haman_basedAs onemight expect,humans have been producing increasing amount
11、s of pollution as.1 z7xl progressedtime has(7)1 and they now account for the majority of pollutantsreleased into the air.Air pollution has been a problem throughout history.(8)The effects of air pollution are diverse and numerous.(9),and severelyaffects the natural ecosystem.Because it is located in
12、 the atmosphere,air pollution is able to traveleasily.As a result,air pollution is a global problem and has been the subjectof global cooperation and conflict.Some areas now suffer more than others from air pollution.(10)great quantities of coal often suffer most severely from airpollution problemsY
13、our answer Correct answer chemicals chemicals，2)atmosphere atmosphere particles particles*4)trapped trapped又 tasts lastsX(6)haman_based human-based progressed progressedX(8)Even in Ancient Rome people complained about smoke put intothe atmosphere又 Air pollution can have serious consequences for the
14、health ofhuman beingsX(10)Cities with large numbers of automobiles or those that usePart III ScriptDirections:Listen to the following recording,and then choose the correctanswers to the questions.You will hear the recording twice.After the firstplaying,there will be time for you to choose the correc
15、t answers.Use the secondplaying to check your answers.1.Why did the number of pandas drop sharply this century?C A.Widespread forest fires.巳 B The change of bamboo forests into farmland.巴 C.The global warming.C D.Increased hunting.2.What is the strange nature of giant pandas mentioned in the passage
16、?C A.Peaceful.巴 B.Cheerful.E C.Solitary.C D.Lonely.3.Why is the breeding program not a success?C A.The temperature has changed a lot.匕 B.The rainfall has changed a lot.匕 C.The panda does not like to live in zoos.E D The panda likes to live alone.4.Why did people start debating about the use of cloni
17、ng in conservation?亡 A.Because this technology is up-to-date.匕 B.Because this technology does not involve a moral issue in animals.E C.Because the breeding method is unsuccessful.C D.Because the breeding method must be combined with cloning.5.What would be the best title for the passage?巴 A.How to s
18、ave the giant panda.E B The danger of extinction of the panda.C C.The importance of the protection of the panda.亡 D.Success in protecting the panda.Part IVDirections:Choose the best answer to each of the following statements.1.The Chinese government has been encouraging people to plant trees alongth
19、e edges of the Gobi Desert.Now those trees act as wind.C A.barsE B.barriersC C.preventionC D.destruction2.Government organizations are helping people to dispose safely oldrefrigerators or,in the case of cars,to upgrade the air conditioning.C A.awayC B.off*E c.of匚 D.out of3.As the students grow older
20、,they can be more aware of all the environmentalproblems that are.C A.happening onC B.getting alongC C.getting onE D.going on4.If people throw cigarette butts on the floor,they should.巴 A.fineB.be fineC.be finedD.get fine5.When the algae die,they are broken by the action of thebacteria.C A.upC B.inE
21、 C.down匕 D.with6.Statistics show that China invested US$34.6 billion in clean energy lastyear,the United States which invested US$18.6 billion.E A.exceedingC B.expiringC C.excludingextruding7.China has already some remarkable steps to reduce damage to theenvironment.匕 A.posedC B.goneC C.gotE D.taken
22、8.A thick cloud of pollution covering southern Asia is damaging agricultureand affecting rainfall.A.extentsLJ B.ranges巴 C.degreesE D.levels9.A lot of clubs promote environmental safety,and some TV programs,too.They talk about environmental safety and.C A.thing like thatv E B.stuff like that匕 C.such
23、stiffC D.such thing10.They say the cloud reduces the amount of sunlight the Earthssurface by as much as 15 percent.C A.reach巴 B.reachedE C.reachingC D.from reaching Learning tool kitMy notebookAsk a questionSearch onl:GO!Word tipsLanguage and culture tipsOverviewLearning strategiesScriptQuestion 1M:
24、r 11 admit i t:Im confused about the state of the world and theenvironment.I read that 38 top scien tists meeting in Denmark said w eshould forget about global warming.W:Yes,they said global warming is important,but there are other problemsw e should solve like A ID S,hunger,and Malaria.F irst thing
25、s f i r s t isth eir theme.Q:What do some of the top scie n tists think about global warming?Question 2M:I t s suicide!W e，re k illin g ourselves with acid rain.Smoke from burntcoal mixes with sunlight to create poisonous sulfuric acid that destroysplants,animals and people like us.W:Hold on!W hat y
26、ouve said is true,but governments everywhere arepunishing polluters and encouraging alternate energy sources like solarpower and wind power.Things are looking up.Q:W hat is the wom an，s point of view?Question 3W:Water pollution in m y hom e town is very serious.I think i t s high timethat the govern
27、ment take some measures to tackle the problem before i t stoo late.M:I think Im gonna make your eyes green with envy if I te ll you that thewater in m y hom e town is well conserved.Q:W hat can w e learn from the dialog?Question 4W:John,are you interested in joining in our club to raise money for th
28、eprotection of wild birds in the States?M:W h y not?I learnt from an a rtic le the other day that the w ildlife in ourcountry is diminishing.I 11 certainly do m y part.It/s really sad if w ecan only see wild birds in zoos.Q:W hat is the m an going to do?Question 5W:Mark,did you hear about black poll
29、ution?I know that white pollution”refers to p lastic pollution.Is black pollution related to coal or a irexhausted by factories?M:N o,honey.I t s the pollution by the waste rubber.I t s a serious problemin our country.Q:W hat causes“black pollution”?S c rip tEvery day,the average person breathes in
30、about 20,000 lite rs of air.Everytime w e breathe,w e risk inhaling dangerous chemicals that have found th eirway into the air.Air pollution includes a ll pollutants found in the atmosphere.Thesedangerous substances can be either in the form of gases or particles.Air pollution can be found both outd
31、oors and indoors.Pollutants can betrapped inside buildings,causing indoor pollution that lasts for a longtime.The sources of a ir pollution are both natural and human-based.A s one mightexpect,humans have been producing increasing amounts of pollution as timehas progressed,and they now account for t
32、he majority of pollutants releasedinto the air.Air pollution has been a problem throughout history.Even in Ancient R om epeople complained about smoke put into the atmosphere.The effects of a ir pollution are diverse and numerous.Air pollution canhave serious consequences for the health of human bei
33、ngs,and severelyaffects the natural ecosystem.Because i t is located in the atmosphere,a ir pollution is able to traveleasily.A s a result,a ir pollution is a global problem and has been thesubject of global cooperation and conflict.Som e areas now suffer more than others from a ir pollution.C ities
34、 with largenumbers of automobiles or those that use great quantities of coal oftensuffer most severely from a ir pollution problems.S c rip tThe panda is found only in the western mountains of China.It is one of themost popular animals in the world.Although it is protected by the Chinesegovernment b
35、y s tric t laws,it is s t i l l in serious danger of extinction.Experts guess that there are altogether fewer than 1,000 giant pandas le ftin China.The pandas live in bamboo forests in the high mountains.Theirnumbers fe ll dramatically e arlier th is century when large areas of bambooforest were cut
36、 dow n and turned over to agriculture.To deal with the c risis,experts suggested that special reserves be set upin the remaining forest to protect the pandas.Also,pandas were taken into zoos to begin a breeding program and the pandasbred there could one day be returned to the wild.Since the panda is
37、 anational symbol in China,the program received a lot of attention.However,the panda is a very solitary creature,and the number of pandas in the wildcontinues to drop.For years,zoos have spent millions of dollars to placepandas together in breeding pairs.Almost a ll of these actions have endedin fai
38、lure.A s a result,experts predict that pandas w ill be extinct within40 to 100 years unless drastic measures are taken.Because of the strangely so litary nature of the giant panda,the debate aboutthe use of cloning in conservation has emerged in China.Today mankind faces the loss of one endangered species after another throughthe destruction of the environment.People cannot afford to lose the panda,which is found nowhere outside China.