1、Unit3ConservationSectionTopicTalk&Lesson1TheSixthExtinction一、用适当的介词/副词填空1.Why is he working this project?2.It might help to cut down sugar to keep fit.3.Many traditions have died with the urbanisation.4.He was known the savior of the city.5.The population is increasing a disturbing rate.6.A ship was
2、 found sink 10 miles the coast.7.If not well protected,the species is risk of extinction.8.If you dont like the programme,switch to the one you usually watch.9.The number of animals in this area has decreased 16% in the past decade.10.Up three quarters of all species could die out.二、用下面方框中所给短语的正确形式填
3、空shoulder the blametake actionwipe outit occurred todie outcut the riskin shortsolar energyset uplive on1. me that I could use your car to fetch my homework.2.Organisations to help those affected by the earthquake.3.Jogging can of diseases such as heart attack.4.To ensure the pod can use ,it was equ
4、ipped with these panels.5.We need to to prevent similar disaster to happen again.6.The animal meat instead of grass.7.The driver was brave enough to .8.The medicine can help unhappy memories.9.,we need another 3 million dollars to cover the expense.10.Measures should be taken before the endangered a
5、nimals .三、完成句子1.The biscuit company (该为受责备) for turning off the customers.2.You need to reconsider the way (你看待世界) to live a happier life.3.In the last 500 million years,there (有5次) when life on Earth has almost ended.4.(立刻采取措施) to deal with water pollution.5.We need to stop destroying the planet (我
6、们生活的) and start to protect it.6.I couldnt have passed the test (没有你及时的帮助).7.What is happening now is certainly (值得担忧).8.Human activity has negative effect on all other species on Earth,(包括动物和植物).四、阅读理解Striking footage(镜头) recorded for NationalGeographic shows a dying polar bear struggling to find fo
7、od on a land without ice or snow.The poor creature can be seen dragging its bony frame(骨架) across the rough land and searching for food in a bin.Paul Nicken,the photographer who shot the heart-breaking footage,says the sight reduced him to tears.“We stood there cryingfilming with tears rolling down
8、our cheeks,” he said.They found the dying creature on Canadas Baffin Islandan area that has seen an extreme reduction in sea ice because of global warming.Nicken says that had he stepped in,it would only have deepened the situation.Instead,he filmed the bears slow,painful death and posted it to soci
9、al media to serve as visual proof of the impact of climate change.“When scientists say bears are going extinct,I want people to realise what it looks like.Bears are going to starve to death,” said Nicken.“This is what a starving bear looks like.”Polar bears are only native to the Arctic region and a
10、re one of the many casualties(伤亡) of climate change.They rely on the Arctic ice to hunt seals and are becoming increasingly threatened as the ice melts away.The World Wildlife Fund(WWF) predicted back in 2002 that polar bears may face extinction for losing habitat.There are an estimated 25,000 bears
11、 left in the wild and most experts agree that unless climate change is controlled,they will all be dead within the next 100 years.“The simple truth is thisif the Earth continues to warm,we will lose bears and the entire polar ecosystem.This large male bear was not old,and he certainly died within ho
12、urs or days in that situation,” Nicken wrote on Instagram.But there are solutions.We must begin putting the Earthour homefirst.1.What can people see in the striking footage?A.A starving polar bear.B.Some dying creature.C.A crying photographer.D.The reduction of sea water.2.Why did Paul Nicken post t
13、he footage on social media?A.To raise peoples awareness of climate change.B.To get a prize in photography competition.C.To attract readers interest in bears.D.To raise money for bear protection.3.What do we know about the polar bears from the passage?A.The polar bears that are left can be found in C
14、anada.B.They were hunting seals when taken photos of.C.The WWF has done a lot to protect them.D.Melting ice is a huge threat to their life.4.What can we learn from the last paragraph?A.The unknown diseases increased polar bears deaths.B.The whole bear ecosystem will suffer a heavy loss.C.The destruc
15、tion of forest affected the ecosystem.D.The polar bear will be extinct in this century.五、七选五阅读理解Cleaning up the existing damage to our environment and preventing further destruction is a huge job.It can seem that there is no way one person,especially a young person like you,can make a difference.1,s
16、tarting with changing some simple everyday habits and working with others to spread the importance of protecting the environment.Here are a few suggestions.Avoid unnecessary driving or being driven.Every teenager looks forward to a drivers license and a first car,but automobiles are one of the prima
17、ry causes of air pollution.If its too far to pedal a bike,take a bus or share your car ride with someone else.2,but it undoubtedly benefits the environment more.Unplug electrical equipment when possible.Even when turned off,some appliances may still use power.3.So it is best to unplug anything that
18、you do not expect to use in the next 36 hours (or more).Carry a bag and a reusable water bottle.4.On the contrary,plastic bags and disposable bottles may bring convenience to you,but the environmental damage caused by them is almost permanent.Every plastic bottle not made and plastic bag not used he
19、lps a little bit.Raise awareness.Talk to family and friends about simple changes they can make,and why they should do so to help protect the environment.5.Its acceptable to just show them that you have thought a lot about the subject,are passionate about making a difference,and really could use thei
20、r support.A.But you can make your contributionB.It might not seem as cool as driving yourselfC.This saves your money with fewer trips to the gas stationD.They dont take up much space but can prevent a lot of wasteE.You dont have to give lectures or force them to accept your opinionsF.They may be the
21、 secret sources of the large number on your electric billG.This can help start a dialogue in your community about a particular environmental issue六、完形填空My previous home had a stand of woods behind it and many animals in the backyard.That first year,I 1 feeding peanuts to the blue jays,then the squir
22、rels.The squirrels had no 2 coming up right to me for them.As the months went by,the rabbits saw that I was no 3 and didnt escape.When I threw carrot slices(薄片),they even came for a nibble(啃).Slowly they came to 4 me,and by the end of the year they were eating out of my hand.That second year,the rab
23、bits 5 me,and one would even sit up for slices!While I was feeding them,I 6 that a groundhog who used to run away was now taking an 7 interest in this food situation.I carefully extended a long 8,with a keen eye on those teeth,and 9,there were times I would have the groundhog sitting next to a rabbi
24、t,both munching(用力咀嚼) on carrots.A few months later,while 10,she would even turn her back to me.11 when she was facing away,I reached out and 12 scratched(搔) her back with my finger.She didnt move.By year three,the rabbits and the groundhog were back.The groundhog 13 didnt have a problem with me scr
25、atching her back,and I got an idea.Id always 14,while slicing up carrots,that the end looked like a cap.15 one day,just to see what she would do,I gently 16 one on top of the groundhogs head.Again,not a 17.The next time,I had my camera ready to record what you see here,one of several dozen such pict
26、ures.18 she had a slice to eat,she never 19 the one on her head.It was a fair 20I got a pleasure,and she had yet another tasty treat.1.A.avoidedB.startedC.canceledD.suggested2.A.businessB.funC.problemD.privilege3.A.helpB.cheatC.threatD.exception4.A.trustB.missC.admireD.appreciate5.A.fearedB.ignoredC
27、.discoveredD.remembered6.A.provedB.decidedC.noticedD.understood7.A.extremeB.increasingC.additionalD.inspiring8.A.squirrelB.rabbitC.peanutD.carrot9.A.before longB.long agoC.over and overD.all over again10.A.eatingB.playingC.sittingD.sleeping11.A.NextB.OnceC.SoonD.Lately12.A.carefullyB.suddenlyC.viole
28、ntlyD.patiently13.A.alsoB.thusC.justD.still14.A.thoughtB.doubtedC.admittedD.recognised15.A.WhileB.OrC.SoD.For16.A.fixedB.placedC.hungD.kept17.A.trembleB.moveC.delayD.hesitation18.A.Even ifB.Ever sinceC.As far asD.So long as19.A.welcomedB.requiredC.botheredD.expected20.A.tradeB.competitionC.taskD.aff
29、air答案：一、1.on2.on3.out4.as5.at6.off7.at8.over9.by10.to二、1.It occurred to2.were set up3.cut the risk4.solar energy5.take action6.lives on7.shoulder the blame8.wipe out9.In short10.die out三、1.is to blame2.you view the world3.have been five times4.Immediate action should be taken/We should take immediat
30、e action5.that we live on6.without your timely help7.cause for concern8.including animals and plants四、1.A细节理解题。根据文章首句可知,国家地理的镜头记录了一只濒临死亡的北极熊在没有冰雪的土地上挣扎着寻找食物。2.A细节理解题。根据第三段中的“Instead,hefilmedthebearsslow,painfuldeathandpostedittosocialmediatoserveasvisualproofoftheimpactofclimatechange.Whenscientists
31、saybearsaregoingextinct,Iwantpeopletorealisewhatitlookslike.Bearsaregoingtostarvetodeath,saidNicken.Thisiswhatastarvingbearlookslike.”可知选A项。3.D推理判断题。根据第四段中的“TheyrelyontheArcticicetohuntsealsandarebecomingincreasinglythreatenedastheicemeltsaway.”可知选D项。4.B推理判断题。根据最后一段中的“ThesimpletruthisthisiftheEarthc
32、ontinuestowarm,wewilllosebearsandtheentirepolarecosystem.”可以看出,整个极地的生态系统将遭受重大损失。五、15 ABFDE六、1.B根据“Thatfirstyear”以及上下文可知,作者开始用花生喂冠蓝鸦,然后喂松鼠。2.C根据上文作者喂食松鼠可知,松鼠为了花生毫无困难地直接来到“我”身边。havenoproblem(in)doingsth“做某事没有困难”,是固定搭配。3.C根据下文的“didntescape”可知,兔子不怕“我”,也就是说,兔子看到“我”是没有威胁的。4.A根据下文的“bytheendoftheyeartheywer
33、eeatingoutofmyhand”可知,兔子越来越信任“我”。5.D根据下文的“onewouldevensitupforslices”可知,兔子越来越不害怕“我”,记住了“我”。6.C根据空后的宾语从句“agroundhogwhousedtorunawaywasnowtakinganinterestinthisfoodsituation”可知,当“我”喂食的时候,“我”注意到一只土拨鼠过去常常逃开,现在逐渐开始对这种喂食感兴趣。7.B根据“usedto”与“now”这两个时间的对比可知,土拨鼠过去常常逃开,现在逐渐开始对喂食感兴趣。8.D根据下文的“bothmunching(用力咀嚼)on
34、carrots”可知,“我”把胡萝卜给土拨鼠吃。9.Abeforelong意为“不久之后”。根据下文的“Iwouldhavethegroundhogsittingnexttoarabbit,bothmunching(用力咀嚼)oncarrots”可知,土拨鼠不怕作者,这应是不久之后的情况。10.A根据上文“bothmunching(用力咀嚼)oncarrots”可知,土拨鼠在津津有味地吃胡萝卜。11.B根据语境可知,曾经有一次,当她转过身时,“我”伸出手搔她的背,她没有动。12.A根据上文可知,作者是慢慢让动物不再害怕他,因此推断出作者小心翼翼地伸出手去搔她的背。13.D根据上文的“Byyea
35、rthree,therabbitsandthegroundhogwereback.”可知,到了第三年,动物们又回来了,说明土拨鼠仍旧不怕“我”,让“我”搔她的背。14.A根据上文的“Igotanidea”和下文的“thattheendlookedlikeacap”可知,这时作者认为胡萝卜根部看起来像一顶帽子。15.C根据上文可知,作者认为胡萝卜根部像帽子,所以有一天他就把它当帽子用了。16.B作者把胡萝卜根部当帽子戴在土拨鼠的头上。17.B根据上文的again可知,土拨鼠没有动。18.D只要有胡萝卜片吃,她就不会烦恼头上这片了。19.C根据上文可知,只要有的吃,她就不会烦恼头上这片了。20.A根据下文的“Igotapleasure,andshehadyetanothertastytreat.”可知,这是一个公平的交易。