必修2Unit4词汇学案.doc

Book2 Unit4 Wildlife ProtectionLearning Objectives:1. By filling in the blanks, Ss can know something about the usages of the words ,phrases and sentence patterns.2. By explaining the key points, Ss can mater the usages of the usages of the words ,phrases and sentence patterns.Part One: Key Words 1decrease vt.& vi.减少；(使)变小；或变少 n减少，减小If their habitat is threatened or they cannot find enough food，their numbers may decrease.(P25) 如果它们的栖息地受到威胁或是它们找不到足够的食物，它们的数量就会减少。They are making every effort to decrease the production cost.他们正尽力降低生产成本。Theres a decrease in the annual birthrate. 年出生率正在下降。归纳拓展：on the decrease在减少中 a decrease in.在方面减少了decrease to.减少到 decrease by.减少了decrease from.to.从减少到on the increase 在增加 The price of wheat _15%. 小麦价格降低了15%。The mistakes he has made are _. 他犯的错误正在减少。介词填空 There has been some decrease _ traffic accidents this year.To our delight，varieties of birds in the forest are _ the increase.2hunt vt.& vi.打猎；猎取；搜寻too much hunting in the 1950s (P25) 二十世纪五十年代的过度捕杀At one time man had to hunt to survive. 从前人类要以打猎为生。归纳拓展：hunt for sth.搜索；寻找某物 hunt sp.for sb./sth.搜索某地寻找某人/物hunt after 追逐，追求 go hunting去打猎Many people _ fame in their lives but never find it.很多人一生追逐名誉，但是总不能成功。Hes on holiday in Africa，_ animals. 他正在非洲度假，打猎呢。完成句子他一直在找工作。 He has been _ a job.他们搜遍树林寻找从动物园里逃出来的狮子。They _ the wood _ the lion escaping from the zoo.3respond vi.回答；响应；做出反应Daisy responded immediately. “Id like to see some endangered wildlife，”she said.(P26)戴茜马上回答，她说：“我想去看看一些濒临灭绝的野生动植物。”I asked her what the time was，but she _. 我问她几点了，但她没回答。respond to.回应；对做出反应 respond by doing sth.以某种方式回应response n响应；回答 in response to作为对的答复/反应(通常作状语) make (no) response to 对（不）回应/回答完成句子她收到我的信时，给我回了个电话。She _ my letter with a phone call.这种产品是为了满足顾客的需要而开发的。The product was developed _ customers demand.尽管听到了这个问题，他没有做出回应。In spite of hearing the question，he_ it.4relief n(痛苦或忧虑的)减轻或解除；减轻痛苦的事物；缓解；宽慰In relief Daisy burst into laughter.(P26) 戴茜如释重负，突然笑了起来。It was a relief to be able to talk to someone about it.能和别人谈谈这件事，感到舒心多了。relief of/from 的减轻/消除 in relief如释重负；松了口气to ones relief令人感到欣慰的是relieve vt.减轻；缓解；消除 relieved adj.宽慰的；不再忧虑的Hearing the news，he breathed _. 听到这个消息，他如释重负地松了口气。_，they all got home safely. 他们都安全地到家了，让我们松了口气。5mercy n仁慈；宽恕；怜悯；幸运Farmers hunted us without mercy.(P26) 农民毫不留情地捕杀我们。Its a mercy she wasnt seriously hurt. 很幸运她伤得不重。归纳拓展：show mercy to 怜悯某人 have mercy on对表示怜悯at the mercy of任凭的摆布；在的支配中 without mercy残忍地，毫无同情心地merciful adj.仁慈的；宽大的We had no choice and had to be _ the sea. 我们别无选择，只好受大海的摆布。They _their neighbor for he suffered a lot.他们对他们的邻居表示同情，他受的苦难太多了。在下列各句中填入恰当的动词或介词He _ mercy to the people in trouble.The cruel boss usually treats his workers _ mercy.6certain adj.确定的；某一；一定They allowed tourists to hunt only a certain number of animals if they paid the farmers.(P26)如果游客付给农民钱的话，他们允许游客猎取一定数量的动物。I was certain that he had seen me. 我肯定他已经看见我了。归纳拓展： be certain of/about.对有把握，确信be certain to do sth.确定做某事It is certain that.一定能 for certainfor sure确定无疑地，准确地certainly adv.当然，确定 certainty n确定，必然的事With careful preparation，he is quite _ success；that is，he is _ succeed.由于精心准备，他确信会成功；也就是说，他一定会成功。注意： certain表示知道是“某些”，但不明确指出，后接复数名词。a certain等于some，后接可数名词单数，表示“某一”。 There is a certain Mr. Smith on the phone for you.有位史密斯先生打电话找你。7It contains a powerful drug which affects mosquitoes.(P26)它含有一种强效的药物可以预防蚊子。(1)contain vt.包含；包括；容纳；控制；抑制The jar contains ten glasses of water._The pill contains vitamins. _She was unable to contain her excitement._contain/includecontain可指所包含或容纳的全部内容或某物的成分。主语与宾语不是同一类的东西。include指作为整体中的一部分而被包括进去，常使用“including被包括部分”或“被包括部分included”的结构。There are 60 students in our class，_.There are 60 students in our class,_. 我们班有60名学生，其中有20名女学生。用contain/include的适当形式填空She couldnt _ herself. The book _50 stories，_ 15 short stories. (2)affect vt.影响；感动；侵袭 affection n. 喜爱；钟爱have an effect on 对有影响As is known to us，smoking_ our health.众所周知，吸烟对我们的身体健康有不良影响。She is affected with cancer._All the people in the room were affected to tears. _8. appreciate vt.鉴赏；感激；意识到Her abilities are not fully appreciated by her employer. 她的才干尚未得到雇主的充分赏识。I _ when we moved.我很感激他在我们搬家时给予的帮助。 归纳拓展：appreciate sth.感激，欣赏 appreciate(ones)doing.感激(某人)做某事would appreciate it if.要是将不胜感激 appreciation n欣赏；鉴别；感激I appreciate your helping very much. 我非常感激你的帮助。He said he would appreciate it if you could give him a hand.他说要是你能帮他的忙，他会非常感激。【提示】appreciate后面若跟when/if引导的从句时，从句之前应用it，和appreciate用法一样的动词还有hate/love/like/dislike等。语法填空Id appreciate _ if you would like to teach me how to use the computer.None of us appreciate _ fun of in our daily life.9succeed vi.成功What must be done if wildlife protection is to succeed？(P27)如果要使野生生物保护得以成功，必须做些什么？Im sure youll succeed if you work hard. 你只要努力，我肯定你会成功的。归纳拓展： succeed in(doing)sth.成功完成某事 success n成功 successful adj.成功的successfully adv.圆满地；顺利地；成功地Did he _ passing the exam? 他考试及格了吗？用succeed的适当形式或短语填空:After _ his fathers company as president of it _，he _ making the company more _ in its field，which helped to make him a big _ in turn.10employ vt.雇用；利用(时间、精力等)Can they be employed to work in the park and not hurt the animals？(P27) 可以雇用他们在公园工作而不伤害动物吗？归纳拓展：employ sb.as.雇用某人任 employ sb.to do sth.雇用某人做某事忙于；从事于(做)某事employer n雇主 employee n雇员；受雇者employment n职业；工作；使用 unemployment n失业(率)The boss_ him with his work.老板雇来一位秘书来帮助他工作。The manager_making a future plan for his company.= The manager_making a future plan for his company.经理忙于为公司制订将来的计划。You could _better.你可以把闲暇时间利用得更好。11harm n& vt.损害；危害What should be done to punish people who do harm to the animals？(P27) 对于那些伤害动物的人该怎么惩罚？归纳拓展： do harm to sb./sth.伤害某人there is no harm in(ones)doing sth.it does no harm(for sb.)to do sth.(某人)做某事并无害处harmful adj.有害的 be harmful to 损害 harmless adj.无害的Modern farming method_ the countryside.现代的耕作方式对乡村造成了很大的损害。Fruit juice can_ childrens teeth. 果汁可能损害儿童的牙齿。Part Two : Phrases1die out灭亡；逐渐消失As a result these endangered animals may even die out.(P25)结果濒危动物甚至可能要灭绝。Many old customs have died out. 许多旧的风俗已不复存在。归纳拓展：die of 因而死(一般指死于内因，如疾病、饥饿、情感原因等)die from 因而死(一般指死于外因，如外伤、车祸、污染等)die away(声音、风、光等)慢慢变弱，渐渐消失 die down(兴奋、火等)渐弱，渐息，平息die off(家庭、种族等)相继死亡，(草木)先后枯死be dying for渴望 be dying to do sth.很想做某事；渴望做某事As the sound of the music_，the film came to an end.随着音乐声渐渐消失，电影结束了。The apple trees in the field are all _ from disease.地里的苹果树一棵接一棵地病死了。用适当的介词填空No one knows for sure why dinosaurs died _.His mother died _ heart disease while his father died _ a traffic accident.2in danger(of)在危险中；垂危Why are they in danger of disappearing？(P25) 为什么它们面临灭绝的危险？You all know he will be in danger if he drives after being drunk.你们都知道，如果他酒后驾车会有危险的。归纳拓展：out of danger 脱离危险 be a danger to sb./sth.对某人/某物是个威胁 dangerous adj.危险的(指事物或人对别人有危险) endanger vt. 危害；危及endangered adj. 有危险的；濒临灭绝的3protect.from/against.保护免受侵害“Im protecting myself from mosquitoes，”it replied.(P26)它答道：“我在保护自己避免被蚊子叮咬呢。”归纳拓展： prevent.(from)doing sth.阻止做某事 stop.(from)doing sth.阻止做某事keep.from doing sth.阻止做某事Her sudden arrival_ going out.她的突然到来使我不能外出。He raised his arms to _. 他伸出手去，保护他的孩子免受伤害。用所给动词的适当形式填空We young people should do something we can _(keep)the sea from _(pollute)Use the umbrella _(protect)yourself from the rain.4pay attention to注意 其中to为介词，后跟名词、动名词You should pay more attention_to the rainforest where I live and appreciate how the animals live together.(P26)你们应该多关注我生活的热带雨林，并且懂得热带雨林的动物是如何在一起生活的。Our teachers always_ connecting theory with practice. 我们的老师们经常注意理论联系实际。Attention _your pronunciation. 你应该注意发音。归纳拓展：attract/draw/catch ones attention引起某人的注意May I have your attention，please？Attention，please！请注意！fix ones attention/eyes on/upon.把某人的注意力/眼光集中到上devote ones attention to 专心于turn ones attention to 将注意力转向完成句子The boy kept trying to _(引起他妈妈的注意)but in vain.Look at me carefully and _(集中你的注意力于)my movement.Please _(请注意)the difference between the two words.拓展：含有to并且to为介词的短语：_Part Three: Sentence Patterns:1“Please take me to a distant land where I can find the animal that gave fur to make this sweater.”(P26)“请把我带到遥远的地方，在那里我能找到提供毛绒来做这件毛衣的那种动物。”where引导的是一个定语从句，修饰land。在这个定语从句中，还有一个that引导的定语从句，修饰animal。Is this the place where they went hunting last week?这是他们上周打猎的地方吗？Have you ever been to Qingdao，where there are beautiful beaches.你去过青岛吗？那里有美丽的沙滩。归纳拓展： Sit where I can see you.坐在我能看到你的地方。This is where she lives.这就是她的住处。【提示】如果先行词是地点，但关系词在定语从句中不作地点状语，而是作主语或宾语，则要用关系代词which或 that。判断下列句子中where引导何种从句 This is the place where I was born. _Where there is a will，there is a way. _Lets start from where we stopped yesterday. _2. It shows the importance of wildlife protection，but Id like to help as_the_WWF_suggests.(P26) 这表明保护野生动植物的重要性，但我想按照世界野生生物基金会的建议来帮助(你们)。as仿照；像那样；如，引导方式状语从句。Wed better leave things as they are until the police arrive.我们最好不要动这些东西，直到警察到来。The teacher asked you to do as he said.老师要你按照他说的去做。归纳拓展： as 作连词引导的从句：方式状语从句 译为“按照，正如” 原因状语从句 译为“由于”让步状语从句 译为“尽管”(从句须倒装) 比较状语从句 译为“像一样”时间状语从句 译为“一边一边，随着，当的时候”As it was snowing hard，they stopped working. 由于雪下得很大，他们停止了工作。The school children sang songs as they walked. 学生们边走边唱歌。Child as he is，he knows a lot about history. 他虽然是个孩子，但了解很多历史知识。写出下列句子中as的含义 As its raining hard，we cant go climbing._When in Rome，do as the Romans do._It gets warmer as time goes on._Try as he might，he failed again._8