教育专题：M5U3一轮复习.ppt

M5 U3 Science and natureHot words:1.tundra Tundra is the name given to the low,marshy(沼泽的沼泽的)plains of Europe,Siberia,and North America that border on the Arctic Ocean.In Alaska,the vast cold region known as the Northern Slope is part of the tundra.（冻土地带）（冻土地带）Hot words:2.disturbance,upset The balance of nature is so delicate on the tundra that even minor disturbances may produce major changes in the environment.Any increase or decrease in the population of one species may affect all other species on the tundra.For example,if the number of wolves and foxes decrease,the food chain is upset.（Disturbance means upsetting or disorganizing something which was previously in a calm and well-ordered state.扰乱）扰乱）基础回顾基础回顾高频词汇常用短语v合法的v内科医生v可靠的v农业v精确的v大多数v普通的v资源vlegalvphysicianvreliablevagriculturevaccuratevmajorityvordinaryvresource高频词汇高频词汇（世纪外）（世纪外）v反义词v反义词v同义词v反义词v反义词v反义词v反义词v来源villegalvsurgeonvdependablevindustryvinaccurate vminorityvextraordinaryvsourcev营养v灾难v收获v概念v插入v害虫vnutritionvcatastrophevharvestvconceptvinsertvpest高频词汇高频词汇（世纪外）（世纪外）v某事即将发生某事即将发生v违背自然违背自然v有利于某人有利于某人v公共关系公共关系v几天前几天前v突然突然v映入眼帘映入眼帘v克服各种困难克服各种困难v饶有兴趣地饶有兴趣地 von ones way to doing sth.vbe against naturevin ones favorvpublic relationsvthe other dayvall of a suddenvcome into viewvovercome all kinds of difficulties vwith great interest常用短语常用短语（世纪外）（世纪外）key language points重点单词normalintentionbenefitcelltransformKey language points-重点单词vShe was born in 1996 and died in early 2003,at a much younger age than normal.(P42,L10)v normal adj.正常的v return to normal v It is normal for sb.to do sth.恢复正常恢复正常对对.来说来说,做做.很正常很正常normalcommonordinaryusualregular正常的(不超过某种限度、符合某种标准或常规)常见的,平常的(多用于指物，侧重很常见，不稀奇)普通的(强调一般性和普通性，含不突出的意味)通常的(指经常发生或意料中的事，强调惯常性)定期的,规律的(指已有模式、有规律或定期的)Key language points-重点单词v用normal,common,ordinary,usual,regular填空。v1.Were going to be meeting there on a _ basis.v2.It was _ practice for prisoners to carve objects from animal bones to pass the time.v3.People who commit crimes like that arent _.v4.We were dressed up for the party but she was still in her _ clothes.v5.She ate twice as much as _.regular commonusualnormalordinaryvHowever,some people believe that cloning human embryos with the intention of destroying them shows no respect for human life.(P42,L18)vwithout intentionvby intentionvintend to do sth.vintended to have donev =had intended to do sth.vbe intended/meant forKey language points-重点单词无意地无意地故意故意打算做某事打算做某事本打算做本打算做(但没做但没做)为为.打算打算/设计设计vHe has decided to go to the UK to study further _ _ _ _ _ his English.v (为了提高英语，他决定去英国进修。)vI dont think that he did it _ _.v (我觉得他做这件事不是故意的。)vI _ _ _ _ on you,but was prevented from doing so.v (我本来想去看你的，但有事没能去。)Key language points-重点单词with the intention of improvingby intentionhad intended to callintended to have calledvChina has succeeded in producing clones of cows and goats,and continues to research ways in which cloning can benefit mankind.(P42,L30)vbenefit sb./sth.vbenefit fromvfor the benefit of sb.vbe of benefit tov=be beneficial toKey language points-重点单词对对.有益有益从从.中获益中获益为了某人的利益为了某人的利益有益于有益于vReading will benefit you all your life.v=You will _ _ _ all your life.vRegular exercise is of great benefit to your health.v=Regular exercise is _ _ to your health.v The new regulations will _ _ _ _ _ us all.新规章对我们大家都会大有好处.vThe warning sign was put there _ _ _ _ _ _.那儿设立了警告牌以引起人们的警惕.Key language points-重点单词benefit from readinggreatly/highly beneficialbe of great benefit tofor the benefit of the publicvHe spent a night in the cells at the local police station.vCall me on my cell if youre running late.vA cell is a device for producing an electric current,for example by the action of chemicals or light.vEvery animal or plant is made up of millions of cells.v A cell is also a small room in which a monk or nun lives.vYou can refer to a small group of people within a larger organization as a cell.vA cell is a small space that an insect or other small creature has made to live in or use.Key language points-重点单词(修道士或修女住的修道士或修女住的)小房小房间间电池电池细胞细胞基层组织基层组织穴窝穴窝(蜂巢等蜂巢等)牢房牢房手机手机transform vt.改变(外观或性质),转化She used to be terribly shy,but a year abroad has completely transformed her.她过去十分腼腆,但在国外呆了一年以後完全变了.蒸汽机将热能转变成动力。A steam engine transforms heat into power.transformationHis character seems to have undergone a complete transformation since his marriage.他结婚之後性格判若两人.In recent years,the movie industry has undergone a dramatic transformation.Key language points-重点单词key language points重点短语on a personal noterather thanon the one hand,on the other handOn a personal note,cloning would totally transform my life.(P43L48)on a.note 以.语气，以.论调他用幽默的语气结束了他对员工们的演讲。He ended his speech to his employees on a humorous note.经理以更加严肃的语气提到了上个月的事故。On a more serious note,the manager mentioned the accident last month.Key language points-重点短语After decades of destroying nature and using up natural resources,many developed nations are now concerned about saving nature rather than developing or destroying it.(P58L15)rather than other thanor rathernot.but rather.Key language points-重点短语非非,而不是而不是除了除了更确切地说更确切地说不是不是.而是而是.应该受到责备的是父母而不是孩子。It is the parents rather than the children who are to blame.该委员会不处理个人信件，而是在简讯中讨论问题。The committee does not deal with individual correspondence,_ _ discusses issues in the newsletter.除非起诉那个人，否则我们拿不到房租。We cant collect the rent _ _ by suing the man.她当了秘书;确切地讲,是私人助理。She worked as a secretary,_ _,a personal assistant.Key language points-重点短语other thanbut ratheror ratherOn the other hand,many people,including some scientists,disagree and are afraid that,if mankind toys with nature in this way,we may be on our way to producing a real-life Frankensteins monster.Key language points-重点短语接近接近,在附近在附近close to you in time or distance手工手工by a person rather than a machine手拉手手拉手,密切关联密切关联closely connected在手头在手头time or money available,在控制中在控制中in control现有现有available,especially to helpat handby handhand in handin handon handvPoverty and poor health often go _.vThe Bridal Department will have experts _ to give you all the help and advice you need.vThe property is ideally located with all local amenities(生活福利设施)close _.vThe fabric was painted _.vRecent economic performance suggests that a major crisis is _.vLisa seemed to have things _ by the time he returned.in handhand in handon handat handby handat handHe finally _ his responsibility for the company last year.Hes always _ advice to people.These skills used to be _ from father to son.You must all _ your projects by the end of next week.hand out 分发，给予分发，给予(建议建议,惩罚等惩罚等)hand in 上交，提交上交，提交hand down 传给传给(后代后代)hand over 移交移交(权力或责任权力或责任);正式交给正式交给handed overhanding outhanded downhand inThe first mammal to be cloned successfully from an adult cell was Dolly the sheep.However,some people believe that cloning human embryos with the intention of destroying them shows no respect for human life.From the point of view of some people,we are only doing what humans have always done,using nature to meet our own needs.It should not be a question of humans winning and nature losing.