1、课时分层作业(六).阅读理解AKangaroos have long been a nuisance to many Australian farmers.Keeping these kinds of animals away from their crops and water supplies has become a continuous fight.A traditional way has been a series of the huge screaming(尖叫) from loudspeakers.Researchers found that kangaroos often b
2、ecome used to these manmade sounds and take little notice of them.Australian farmers could be about to get an unusual new weapon(武器) to protect their crops from kangaroos.Researchers in Melbourne found that kangaroos can be frightened away by the loud sound of their own large feet.It appears to be q
3、uite a breakthrough.This is the noise these animals make when they feel danger before running away quickly.Using the animals own alarm system could be what angry farmers have been looking for.Animal rights protectors are happy about this new finding.When people complain that the number of kangaroos
4、has risen quickly，they say that a large number of kangaroos have been killed or injured on Australian roads by cars and trucks.Also，they dont want several million to be shot dead every year by human beings.Researchers，who are hoping to develop their footstep sound technology，believe it could also be
5、 used to lead kangaroos away from busy highways.The protectors are in favor of this solution which can prevent kangaroos from being harmed and also please the farmers.【语篇解读】本文是一篇说明文。在澳大利亚袋鼠数量增长较快，它们经常破坏农民的庄稼。研究者们发明了一种预防和保护的方法，用袋鼠的脚步声驱逐袋鼠。这样既能保护袋鼠不被农民杀害又能解决袋鼠破坏庄稼的问题。1What problem do kangaroos bring t
6、o Australian farmers?ABreaking into houses.BMaking noises.CFrightening farmers.DDestroying crops.D细节理解题。根据第一段中的“Keeping these kinds of animals away from their crops and water supplies has become a continuous fight.”以及第二段中的“to protect their crops from kangaroos.”可知，在澳大利亚，袋鼠经常破坏农民的庄稼，故选D。2What is the
7、new way to drive away kangaroos?ACutting off water supplies.BKilling them with guns.CUsing the sound of their own footstep.DSending manmade sounds through loudspeakers.C细节理解题。根据第二段可知研究者发现袋鼠会被自己的脚步声吓跑，因此用这种声音驱逐袋鼠很有效。故选C。3Why do animal rights protectors agree with this new solution?ABecause it costs l
8、ess.BBecause they prefer new technology.CBecause its a preventionandprotection way.DBecause it can help reduce the traffic accidents.C推理判断题。根据文章最后可知用袋鼠的脚步声驱逐袋鼠既能保护袋鼠不被农民杀害又能解决袋鼠破坏庄稼的问题，让农民们高兴。这是一种预防和保护的方法，故选C。BClimate change，not human hunting，may have destroyed the thylacine (袋狼)，according to a new
9、study based on DNA from thylacine bones.The meateating marsupials (有袋动物)died out on mainland Australia a few thousand years ago，but survived in Tasmania，an island of southeast Australia separated from the mainland，until the 1930s.Until now，scientists have believed the cause of this mainland extincti
10、on (灭绝) was increased activities from native Australians and dingoes (Australian wild dogs)Scientists behind the University of Adelaide study，which was published in the Journal of Biogeography on Thursday，collected 51 new thylacine DNA samples from fossil (化石) bones and museum skins.The paper conclu
11、ded that climate change starting about 4，000 years ago was likely the main cause of the mainland extinction.The ancient DNA showed that the mainland extinction of thylacines was rapid，and not the result of loss of genetic diversity (基因多样性)There was also evidence of a population crash (大跌) in thylaci
12、nes in Tasmania at the same period of time，reducing their numbers and genetic diversity.Professor Jeremy Austin said Tasmania would have been protected from mainland Australias warmer，drier climate due to its higher rainfall.He argued that climate change was “the only thing that could have caused，or
13、 at least started，an extinction on the mainland and caused a population crash in Tasmania.”“They both occurred at about the same time，and the other two things that have been talked about in the past that may have driven thylacines to extinction on the mainland were dingoes and humans.So the only exp
14、lanation thats left is climate change.And because that population crash happened at the same time the species (物种) went extinct on the mainland，our argument is theres a common theme there and the only common theme is that there is this change in climate.”【语篇解读】这是一篇说明文。文章讲述袋狼灭绝的原因。4What did scientist
15、s believe in the past according to the passage?AMarsupials were all meateating animals.BDingoes should be removed from Australia.CThylacines had no enemies on mainland Australia.DHuman activities may cause the extinction of thylacines.D细节理解题。根据第二段中“Until now，scientists have believed .and dingoes (Au
16、stralian wild dogs)”可知，科学家过去认为人类活动可能会导致袋狼的灭绝。故选D。5Whats the difference between mainland Australia and Tasmania?ATasmania has more dingoes.BTasmania has more rainy days.CTasmania has a higher temperature.DTasmania has more native activities.B细节理解题。根据第五段“Professor Jeremy Austin said Tasmania would hav
17、e been protected from mainland Australias warmer，drier climate due to its higher rainfall.”可知，塔斯马尼亚有更多的雨天。故选B。6The reason why Jeremy Austin had strong argument is that Asomething similar occurred on mainland Australia and TasmaniaBTasmania was protected from mainland Australias warmer climateChumans
18、 and dingoes may have driven thylacines to extinctionDmainland Australia suffered from much higher rainfall in the pastA推理判断题。根据倒数第二段中“He argued that climate change .a population crash in Tasmania.” 可知，杰里米奥斯丁(Jeremy Austin)之所以有强有力的论据，是因为澳大利亚大陆和塔斯马尼亚岛也发生了类似的事情。故选A。7Whats the best title for the passag
19、e?AThe Cause of Disappearance of ThylacinesBThe Ways of Protecting Meateating AnimalsCThe Result of Warmer Climate in AustraliaDThe Effect of Climate Change on WildlifeA标题归纳题。根据第一段“Climate change，not human hunting.on DNA from thylacine bones”和第二段中“Until now，scientists have believed the cause of this
20、 mainland extinction was increased activities from native Australians and dingoes (Australian wild dogs)”可知，这篇文章讲述的是袋狼灭绝的原因。故选A。.读后续写阅读下面材料，根据其内容和所给段落开头语续写两段，使之构成一篇完整的短文。When Bryan Anderson noticed an old lady，caught on the side of the road，he knew she needed help.So he pulled up in front of her car
21、 and got out with his motor still running.Even with a big smile on his face，she was worried.He didnt look safe；he looked poor and hungry.After reading her mind，he introduced himself as Bryan Anderson and began to help her.Learning that she had a flat tyre，without a second thought，Bryan set out to wo
22、rk and took hours to get it right，dirty and tired.She couldnt thank him enough for coming to her aid.With everything done，the lady asked how much she owed him.Any amount would have been all right with her.She already imagined all the awful things that could have happened.Bryan never thought about be
23、ing paid.This was helping someone in need.He had lived his whole life that way，and it never occurred to him to act any other way.Bryan told her that if she really wanted to pay him back，the next time she saw someone who needed help，she could give that person help the way he gave her，and he added，“an
24、d think of me to let the chain of love pass on.”Hearing that she owed him nothing，with tears rolling down her cheeks，the old lady drove off with a deep “Thank you”A few miles down the road，the lady saw a small cafe.She went in to grab a bite to eat，and take the chill off before she made the last leg
25、 of her trip home.In the dirtylooking restaurant，the whole scene was unfamiliar to her；a waitress came over and brought a clean towel to wipe her wet hair.She had a sweet smile，one that even being on her feet for the whole day couldnt erase.The lady noticed the waitress was nearly eight months pregn
26、ant，but she never let the strain and aches change her attitude.Then she remembered Bryan.注意：1.续写词数应为150左右；2请按如下格式作答。After the lady finished her meal，she paid with a $100 bill. That night when she got home from work，she was thinking about the money and what the lady had written. 【参考范文】After the lady
27、finished her meal, she paid with a $100 bill.The waitress quickly went to get change for her $100 bill，but the old lady had driven off.She was gone by the time the waitress came back.The waitress wondered where the lady could be.Then she noticed something written on a napkin.There were tears in her
28、eyes when she read what the lady wrote：you dont owe me anything.I have been there too.Somebody once helped me out the way Im helping you.If you really want to pay me back，here is what you do：do not let this chain of love end with you.Under the napkin were four more $100 bills.That night when she got
29、 home from work，she was thinking about the money and what the lady had written.She was wondering how the lady knew how much she and her husband were in need.With the baby to be born next month，it was going to be hard.She knew how worried her husband Bryan Anderson was，but now everything is going to be all right.6