高中英语 Unit 4 Wildlife protection课时作业 新人教版必修2

1、Unit 4Wildlife protection【导语】专家指出：地球上的动植物物种正以前所未有的速度消失，而无论是它们栖息地的丧失、污染，还是全球变暖带来的间接影响，祸根都源于人类。北部白犀牛小嘴狐猴Extinction is for ever!As almost everyone knows，to become extinct is to be gone for ever.Even before mans arrival on Earth，species became extinct quite naturally.Natural extinction happens when a sp

2、ecies decreases in numbers gradually but steadily at the end of its evolutionary period on Earth.The length of this period depends on how well a species can get used to changes around it.This process of extinction can take a very long timesometimes several million yearsand the extinction of one spec

3、ies is immediately followed by the appearance of another in a continuous cycle.The case of the dinosaurs is the most wellknown example of natural extinction.They appeared on Earth about 200 million years ago and dominated （统治）both land and sea for almost 100 million years.It is not certain why the d

4、inosaurs became extinct，but their disappearance was a natural one and new species of animals evolved to replace them.The rate of extinction has speeded up unnaturally over the last 400 years，rising sharply since 1990.This increase in the rate of extinction is directly related to the increase in the

5、human population over the same period of time.The great number of humans has caused great damage to the planet，as wild habitats have been taken over，forcing animals and plants into smaller and smaller areas，until some of them have become extinct.We have also polluted some habitats with chemicals and

6、 waste，making them unfit for wildlife.These causes of extinction are known as indirect destruction. Animals may also become extinct through direct destruction.This includes the hunting and catching of animals.Man has always hunted and killed wildlife but when early humans lived more in harmony with

7、nature，they killed animals for essential food and clothing.When firearms were invented，great destruction of species was possible.Animals have been，and still are，killed for meat，clothing，medicines，feathers，eggsand sometimes just for amusement.Some species are still caught in the wild for the live pet

8、 trade，even though their numbers are decreasing.The extinction of at least 500 species of animals has been caused by man.Today there are about 5，000 endangered animals and at least one species dies out every year.There are probably many more which become extinct without anyone knowing.【词海拾贝】1extinct

9、ion n灭绝；绝种2steadily adv.平稳地3continuous adj.连续不停的；不间断的 4habitat v栖息地5destruction n破坏【问题思考】阅读短文，判断正(T)误(F)。1Before man arrived on Earth，species were not extinct.()2Scientists are quite sure why the dinosaurs became extinct.()3The increase in the human population causes the increase in the rate of exti

10、nction over the same period of time.()答案：1.F2.F3.T.将单词与其正确释义配对1decreaseA鉴赏；感激；意识到2reserve B安全的；可靠的3hunt C雇佣；利用4respond D减少；变小5contain E包含；容纳；容忍6affect F保护区7appreciate G成功；接替；继任8succeed H回答；响应；做出反应9secure I损害；危害10income J收入11employ K打猎；猎取；搜寻12harm L影响；感动；侵袭答案：1.D2.F3.K4.H5.E6.L7.A8.G9B10.J11.C12.I.根据

11、所给汉语提示写出单词1_n仁慈，宽恕；怜悯2_v咬；叮；刺痛3_vt检查；视察4_n事件；事变5_adj凶猛的；猛烈的答案：1.mercy2.bite3.inspect4.incident5.fierce.根据英语释义写出单词1_： far away in space or time2_： feeling of comfort when something worrying has ended or not happened3_： to keep someone or something safe from harm4_： be able to control events5_： be imp

12、ortant答案：1.tect4.powerful5.importance.选用短语的适当形式完成句子decrease to; in peace; in danger; burst into laughter；pay attention to; do harm to; protect. from; in relief；die out; at the mercy of1Reading in bed for a long time will_your eyes.2Every student should_what your teacher said in c

13、lass.3The two countries have been living together _4No one was injured in the accident; we all smiled_5Its high time that we should take measures to protect these old traditions before they_6The poor cat is_the naughty boy.7Hearing the funny story, all of the boys_8Childrens lives are_every time the

14、y cross the road.9The government is doing the best to _those rare animals_ being hunted.10The number of the rare birds in this area has_about ninety.答案：1.do harm to2.pay attention to3.in peace4in relief5.die out6.at the mercy of7.burst into laughter8.in tectfrom10.decreased to课文表层理解.判断正(T

15、)误(F)1The antelope in Tibet becomes an endangered species because of its fur being used to make sweaters.()2The living conditions of the elephants are worse than they were.()3What the government of Zimbabwe did provide us with a good example of how to protect wildlife.()4The millipede insect produce

16、s a drug naturally which can protect animals from mosquitoes.()5Daisy returned home with the monkey and began to make her new drug.()答案：1.T2.F3.T4.T5.F.读课文，回答问题1What does the word “it” refer to in the Line 2 in the second paragraph？(within 3 words)_答案：The elephant.2Fill in the blank with the words f

17、rom the second paragraph.(within 2 words)When Daisy heard that the elephant asked whether she came to take its photo，she laughed _答案：in relief3Why did the monkey rub itself according to the third paragraph？(within 10 words)_答案：Because the monkey protected itself from mosquitoes.4Was Daisy able to ma

18、ke her new drug，why？(within 15 words)_答案：No，she doesnt.Because she was in her dream and everything had gone.How Daisy Learned to Help WildlifeParagraphsMain ideasSupporting detailsPara. 1Why we need wildlife protectionAnimal: Tibetan AntelopeSituation: being hunted for the fur under its stomachResul

19、t：the numbers is decreasing rapidlyPara. 21._Animals：elephants in ZimbabweSituation：2._Result：protected by farmerswho 3._Para. 3 andPara. 44._Animal：a millipede from a thick rainforestSituation：produces a drug naturally which can protect us from mosquitoesResult: 5._答案：1.A good example of wildlife p

20、rotection2previously hunted with numbers decreasing rapidly3make money from tourism4What we can get from wildlife protection5tell WWF about the drug课文深层理解 .读课文，回答问题Whats the main idea of the passage?It is about a strange dream that Daisy dreamed.In her dream，she took a _ to travel and talked with ma

21、ny different _，which made her know the importance of _答案：flying carpetanimalswildlife protection.单项选择1Daisy first learned about the antelope _Afrom her sweater made of furBonce she was in TibetCafter she saw an antelope looking sadDwhen she woke up from her dream 答案：C2There are not as many antelopes

22、 as it used to be in Tibet _Abecause of pollutionBdue to the development of industryCbecause theyre being killed for furDfor lack of food答案：C3Why did elephants use to be an endangered species in Zimbabwe?ATourists hunted too many elephants.BFarmers hunted them without mercy.CThe government encourage

23、d farmers to hunt them.DElephants were killed by the government.答案：B4Farmers used to hunt and kill elephants because they _Adidnt want to make more moneyBwanted to protect their cropsCwanted to get their fur and meatDthought they were dangerous to them答案：B5What does “No rainforest，no animal，no drugs

24、.”mean?AThere are no drugs in the rainforest.BThere will be no rainforest，no animals，no drugs in the future.CAnimals in the rainforest dont need drugs.DThe rainforest，animals，drugs are closely related to each other.答案：D.领会句子所用的句型并译成汉语1This is what wildlife protection is all about._答案：这正是野生动物保护的意义所在。

25、2Were being killed for the wool beneath our stomachs._答案：为了我们肚皮下的毛，我们正在被屠杀。3. No rainforest, no animals，no drugs._答案：没有雨林，就没有动物，也就没有药物了。4After a while she saw some zebra with black and white lines going beneath their stomachs._答案：过了一会儿她看到了一些斑马，它们身上有一直延伸到腹部的黑白相间的条纹。建议信本单元的写作任务是建议信，它属于应用文。建议信的目的是向有关组织

26、或个人提出建议，所提建议旨在就某种事物或现象，提出一些改进的措施，这种建议带有劝说性。建议信现在多数都写成电子邮件的格式，它一般有称呼、正文、结尾和署名四个部分。一、基本框架1开头提出写建议信的缘由。2主体写出建议的具体内容，并指出你所提建议可能会带来的好处。3结尾提出希望自己的建议被采纳的想法。二、注意事项 1注意人称和时态的合理使用。2注意语言要委婉、中肯，建议要合理，表达要清楚。3注意写作要点不能遗漏，表达方式要多样，行文须连贯，过渡要自然。三、典型句式1反映现象的常用开头句式：Im writing to tell you that.Recently we have made a sur

27、vey that.Many people are worried about.2提出措施的常用句式：We intend to.to help/save/protect.We are ready to call on people to.We feel like doing.to teach the illegal hunters a lesson.Wed rather not.but do.3征求对方支持的常用表达：We need your support to make more and more people.Would you please help us to.by.?Well app

28、reciate it if you can.In order to.we need.I hope that I can get help from.众所周知野生动植物的数目已经减少，一些动物也已经灭绝了。我们怎样阻止濒危的动物灭绝呢？请根据以下提纲写一篇100词左右的文章，呼吁人们行动起来。1我们应该保护它们免遭捕杀。2应该设立一些自然保护区和保护带，目的是使动物能够平静地生活。3政府应该制定更强有力的法律来保护动物。写作提示本文为一篇提纲挈领式作文，这类题型的主要特点是：要点明确，范围具体，贴近生活，易于动笔。此类试题中有较多的文字说明，实际上规定了考生表述的思路，对考生的写作范围做了较为明

29、确的限定，试题中规定的要点一个也不能回避。考生既不能随意发挥也不能逐条翻译。写作前应注意：审题、围绕主题提炼要点，做到要点全面；最好是分几大层次，忌一揽子式的表达，缺乏层次与条理，忌“挤牙膏”式，想到哪儿写到哪儿，想到什么就写什么，缺乏全局观念；根据不同的文体来确定写作时采用的相应格式；要弄清表达时具体需要用什么人称。可能用到的表达方式：die out灭绝；pay/attract/draw ones attention to吸引某人的注意力；protect.from.保护以防；in peace和平地，平静地；at the mercy of.任由摆布；it is certain that.是确定

30、的；come into being形成。【范文点评】范文点评As we all know，the_number_of wild plants and animals has already decreased and some animals have died_outIt is high time to prevent endangered animals from extinction.First，its of great importance to regard animals as our friends，so we should not hunt.Secondly，some natu

31、ral reserves and zones should be set up.Only in this way will animals not be hurt more often.Last but not least, our government should make more powerful law to protect the animals.If everyone has the sense of protecting wildlife，it_is_certain_that an atmosphere of protecting wildlife will come into

32、 being.这篇文章要点齐全、结构完整、层次分明、用词准确生动，是一篇难得的佳作。其中比较好的一些单词、短语和句式有：the number of；decrease；die out；prevent.from.；“only状语”引导倒装句表示强调；it is certain that.假如你叫李华，请根据下表内容给中国野生动物保护协会CWCA (China Wildlife Conservation Association)的会长写一封建议信。问题1990年藏羚羊的数量大约有100万只，现在只剩下不到10万只，数量急剧减少原因为了获取藏羚羊的皮毛，非法捕杀藏羚羊的事件仍时有发生建议利用本协会的影

33、响力加大对保护藏羚羊的宣传力度增加用于藏羚羊保护的资金建议协会派出一些志愿者来协助保护藏羚羊注意：1.词数100左右；2不可遗漏要点，可适当增加细节；3书写要工整、干净。参考词汇：藏羚羊Tibetan antelope_答案：Dear President，Im writing to give some suggestions to further protect the Tibetan antelopes. As is often reported, too many Tibetan antelopes are being hunted and killed illegally for the

34、ir fur. By selling the fur, the illegal hunters can make great profits. As a result, the number of the Tibetan antelopes is decreasing rapidly from about 1，000，000 in 1990 to less than 100，000 at present. Immediate measures must be taken to solve the present situation. First, the importance of prote

35、cting the Tibetan antelopes should be advertised through your association. Second, would you provide more money for the preservation of the antelopes? Last but not least, I suggest that some volunteers be sent there to help protect them.These are my suggestions and I hope they could mean something f

36、or a better future of the Tibetan antelopes.Looking forward to your reply.Yours sincerely，Li HuaA级基础过关.语法填空在句中空白处填上适当的内容(1个单词)或括号内单词的正确形式。1He felt nervous with the whole class _ (look) at him.2You must understand _ important it is for us to learn English well.3It is very important to keep children _

37、 (safety) when we are away on holiday.4The woman tried her best to protect the chimps in their _ (nature) habitat.5We take this chance to express our sincere _ (appreciate) of your help.6The little girl _ (bite) badly by mosquitoes last night.7After _ while，I began to get bored with my job.8The thie

38、ves dropped the things and ran away as _ (quick) as they could.9One of the _ (amaze) things about life，for me，is that we have a choice in everything we do.10The TV set _ (repair) by a friend of my fathers now.答案：1.looking2.how3.safe4.natural5.appreciation6.was bitten7.a8.quickly9.amazing10.is being

39、repaired.完成句子1The park was full of freshness and beauty of spring，_(阳光照耀，鸟儿歌唱)2_(在学年远未结束之前)，students begin their search for job during vacation.3Too much stress not only makes us lose our motivation to study_(而且毁了我们的健康)4Everyone wants to visit the place _(他曾工作过的)5If visitors to the place do _(像那对夫妻一

40、样)，it will be polluted soon.6My uncle is _(如此和善以至于)all of us like him.答案：1.with the sun shining and birds singing2.Long before the end of the school year3.but also ruins our health4.where he once worked5.as the couple did6so kind thatB级能力提升.阅读理解阅读下面的短文，从每题所给的四个选项(A、B、C和D)中选出最佳选项。Can we give a hand t

41、o those endangered animals? Yes, we may only do a little bit, but together our small actions add up to a lot.1Protect wildlife habitatPerhaps the greatest threat that faces many species is the widespread destruction of habitat. Cutting down forests, farming, and development all result in loss of wil

42、dlife habitat. In areas where rare species live, habitat destruction can quickly force a species to extinction. By protecting habitat, entire communities of animals can be protected together naturally. Parks and reserves are now all too often the only habitats that are left untouched by habitat dest

43、ruction.2Reduce the threat of invasive (入侵的) speciesThe spread of nonnative species has greatly reduced native populations around the world. Invasive species compete with native species for resources (资源) and habitat. They can even prey_on native species directly, forcing native species towards exti

44、nction.3Place decals (贴花纸) on windowsIt is reported that as many as one million birds in the United States die each year because of collisions (碰撞) with windows. You can help reduce the number of collisions simply by placing decals on the windows in your home and office.4Slow down when drivingMany n

45、ative animals have to live in developed areas and this means they must move in humanliving areas. One of the biggest obstacles (障碍) to them is that created by roads. Roads divide habitat and present a constant risk to any animal attempting to cross from one side to the other. So when you drive out,

46、slow down and keep an eye out for wildlife.【语篇解读】我们能为濒危动物做点什么？本文给出了很好的建议，我们每个人都可以为此伸出援手，尽自己的微薄之力。1What would be the best title for this passage?AHow animals go to extinctionBThe importance of protecting wildlifeCWhat to do to help save wildlifeDHow to protect wildlife habitat解析：主旨大意题。本文主要列举了人们怎样伸出援手

47、去救助濒危动物，故C项最能概括文章的大意，为最佳标题。答案：C2People are advised to put decals on windows to_Adecorate the houses and beautify the environmentBprotect the windows from birds hittingCattract more birds to make homes nearbyDavoid birds hitting the windows by mistake解析：细节理解题。根据第三种措施的描述可知，在窗户上贴花纸是为了避免飞鸟因误撞而丧命，故选D。答案：

48、D3The underlined phrase “prey on” in the passage means_.Adrive awayBlive withCkill for food Dfight with解析：词义猜测题。根据上文的意思：入侵物种与当地的物种争夺资源和栖息地。再结合该句的意思“它们甚至直接prey on当地的物种，这样迫使当地的物种灭绝”可推知，该短语的意思为“猎食，捕食”，故选C。答案：C4We can learn from the passage that_Athe habitats of many species have been destroyedBabout on

49、e million birds are attacked by invasive species each yearCperhaps the biggest threat to many species is that they are easily bumped by carsDinvasive species only compete for food with native species解析：细节理解题。大概有一百万只鸟是死于误撞窗户，而不是外来物种的袭击，故B项错误；很多物种的最大威胁是栖息地被破坏；故C项不对；入侵物种和本地物种竞争的不仅仅是食物，还有栖息地和资源，故D项错误，A项

50、指出许多物种的栖息地被破坏了，符合文章大意。故选A。答案：A.七选五根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。_1_Home can be a great place for children to study.Its important to provide a workspace of their own where they can read books or just write a letter to their friends.Location(位置)2_Kitchens and dining rooms are not so well su

51、ited for regular study，since books and pens get in the way of the daytoday use of those areas.Set up a place where a child can settle in and leave papers and pens at hand without having to clear everything away each night.For a child that likes being alone，set aside a corner of his bedroom，but keep it separate from things like games，music and other hobbies not related to studying.Keeping things in orderParents should encourage the