新视野大学英语4unit7

授课学时：4学时

章节名称Unit7备注

1.graspthemainidea(thispassagediscussesthepracticeof

briberyinbusinessandliststhecategoriesofbriberythatexist.)

andthestructureofthetext(thepassageisorganizedin

problem-solutionpattern);

2.appreciatethewritingtechniquesdemonstratedinthetext

教学目的

(listing,exemplification,deduction);

和要求

3.masterthekeylanguagepoints,sentencepatterns,and

grammaticalstructuresinthetext;

4.learnsometranslationskills

5.conductaseriousofreading,listening,speakingand

writingactivitiesrelatedtothethemeoftheunit.

课文重点及难点：

1.“Morethan”和“notonly”了解此二结构的用法，掌握在当

重点其后接名词短语或形容词短语时，此二结构可以互换

难点2.nothinglessthan

3.theacademicwordsofPopulationGenetic.

4.whatisPopulationGenetic.

(1)教学方法：课堂讲授为主，师生互动学生为主进行讨论、

对话、回答问题等。课堂讲解以举例、对比，学生参与拓展来

教学方法

突出重点，解决难点。

教学手段

(2)教学手段：读写教程以口述、板书为主，师生互动；听

力材料、背景知识等采用多媒体辅助手段.

1.Pre-reading20'

2.Textanalysis

2.1Mainidea35'

2.2Textstructure40'

教学进程设计

3.Wordsandphrases

(含教学内容、

4.Sentencepatterns

教学设计、时

5.Summary

间分配等)

SectionA

LPre-reading

Questions

1)Howdidtheresearchersobtaintheinformationtowritetheirbook?

Theresearcherstookthebloodofhundredsofthousandsofindividuals,fromallaroundtheworld,andthen

analyzedtheirbloodproteins.Theyexaminedthegeneticsimilaritiesbetweenthepopulationsoftheworld.

Inthisway,theyobtainedtheinformationfortheirbook.

2)Whattwoscientificaimsdoesthebookhave?

Thisbookhastwoscientificaims.Oneistodiscovertheroutestakenbyearlypeoplemigratingaroundthe

world;anotheristoshowthatundertheskinweareallverysimilaronageneticlevel.

3)Whatistheultimateaimofthebook?

Thebookiswrittenforscientificpurposesaswellasinhopesthatitwouldhaveasocialeffectbyproving

thatthereisnobiologicalbasisforracialprejudice,thusdisprovingtheideathatoneraceisgenetically

superiortoanyotherrace.

2.Textanalysis

2.1Mainidea

Asthemostextensivesurveytodateonhowhumansvaryattheleveloftheirgenes,thebookTheHistory

andGeographyofHumanGenesmadetworemarkablecontributionstoscience:Thereisnoscientificbasis

fbrthegeneticsuperiorityofoneraceoveranyotherone;anditcreatesthefirstgeneticmapoftheworld.

Intheprocessofcollectinginformationforthebook,however,scientistsencounteredgreatdifficulties.The

ultimategoaloftheirworkistoremoveracialprejudice.

2.2Textstructure

Thepassagefallsintofourparts.Itevolvesfromthetwooutstandingscientificcontributionsofthebook

throughinduction.Next,itmovesbacktotheillustrations,asaninsertedpart,ofhardworkincollecting

theinformationneededforthebook.Then,thepassagecomestothescientists,remark-ablediscoveries,as

listedinparas.5to9.Itisconcludedwiththesocialeffect,theultimateaim,oftheirresearch.

PartI(Paras.1-2)

ThebookTheHistoryandGeographyofHumanGenesprovesthatthe“races"arealikeundertheskinand

createsthefirstgeneticmapoftheworld,theclosestthingwehavetoaglobalfamilytree.

PartII(Para.3-4)

Ittookdecadesandpainsforscientiststocollecttheinformationneededtodrawthefamilytree.

PartIII(Para.5-9)

Thebook'sfourremarkablediscoveries:AcolormapofgeneticvariationhasAfricaatoneendoftherange

andAustraliaattheother;Africawasthebirthplaceofhumanity;thegeneticmapsshowtheoriginsof

populations;andgeneticinformationisalsothelatestrawmaterialofthemedicalindustry.

PartIV(Para.10)

Apartfromscientificpurposesoftheresearch,itssocialobjectiveistoweakenconventionalnotionsofrace

thatcauseracialprejudice.

3.Wordsandphrases

1)atopsellingbook:abookthatalotofpeoplebuy

Ofthetentopsellingbooksthisyear,sixarenon-fictionones.今年10本最畅销的书中,有6本是

非小说类的书籍。

2)todate:untilnow至今，直到现在

Todate,researchhasfocusedonthemostobviousfeatureoflivingthings:cellmultiplication.迄今

为止研究已集中到生物最明显的特性，即细胞繁殖上。

3)morethan:"havinggreatervalueorimportancethansth.else"or"notonly...,notjust...”Please

notehere“morethan"isusedinasentencewithoutanadverbialclauseofcomparison.

“Morethan"followedbyanounphrase:

He'smorethanacoach;he*safriend.他不只是一个教练，他更是一位朋友。

“Morethan”followedbyaverbalphrase:

Shemorethansufferedfromthedisease;shewaspenniless.她不仅仅是饱受疾病之苦，而目.穷得

身无分文。

Hemorethanscoldedme:hetoldmewhattodonext.他不只是责怪我，还告诉我以后该怎么做。

“Morethan“followedbyanadjectivephrase:

Shewasmorethangladtohearthenews.听至I」这个消息她非常高兴。

Hishouseismorethanlargeandbeautiful.他的房子非常大也非常漂亮。

4)nothinglessthan:exactlythesameas简直是，同...一点也不差

Pleasenotethat"nothinglessthan^^isoftenusedtoemphasizehowimportantorundesirable

somethingis."Nothinglessthan”isoftenusedinasentencewithoutanadverbialclauseof

comparison.

“Nothinglessthan“followedbyanounphrase:

YouYenothinglessthanamurderer!你简直是一个杀人犯！

Thesettingupofthisplantinthreemonthsisnothinglessthanamiracle.三个月就建成了这个工厂

简直就是个奇迹。

“Nothinglessthan”followedbyanadjectivephrase:

Thepresenttrendisnothinglessthanalarming.当前的这种趋势确实令人担心。

Hisexperienceisnothinglessthanmagical.他的经历简直太具魔幻色彩。

5)serveas:fulfilthepurposeof(sth.)起...作用，当成

Thejudgesaidthatthefinewouldserveasawarningtothemotorist.法官说罚款会是对这个驾驶

者的一种警告。

6)beconfinedto:berestrictedorkeptwithincertainlimitsortime限制于，局限于

Sofar,fightinghasbeenconfinedtothecapitalcity.到目前为止，战斗仍没有超出首都的范围。

7)asof/from:(usedwhenanewrule,system)startingfrom从...时候起

ThenewtimetablewillcomeintoeffectasofJanuary2003.新的时间表将从2003年1月起生效。

8)ineffect:infact事实上，实际上

Whatthemanagementissaying,ineffect,isthattheyaregoingtostopprovidingcompanycars.管

理层的实际意思是，他们将停止提供公司公用车子。

9)resemble:v.looklikeorbesimilartoanotherpersonorthing

Whatshesawwasthefaceofastrangerwhoresembledher.她看见一张很像她的陌生人的脸。

10)Compare:bearresemblanceto;takeafter

Paul'sfeaturesboreastrongresemblancetohisfather's.保罗的五官非常像他的父亲。

I'mafraidthatyou'llfindithardtoadapt,asthesituationofthecountrybearslittleresemblanceto

thatofourcountry.该国的国情与我国相差悬殊，恐怕你不容易适应。

Theboytakesafterhisfather:hehasthesameredhair,bigfeet,andquicktemper.这男孩长得像他

父亲：同样的一头红发，大大的脚，脾气暴躁。

11)adaptto:changeone'sbehaviortodealwithanewsituation(改变..)使适应

Oldbuildingsandstreets,wellcaredforandadaptedtotoday'sneeds,vastlyenhancethequalityof

life.古老的建筑和街道被很好地维护和调整以适应今天的需要，这大大地提高了我们的生活质

量。

12)incombinationwith:togetherwith,inconjunctionwith与..合作，共同

Byusingpersuasionincombinationwiththreats,sheachievedgreatpoliticalsuccess.她采取利诱

和威胁并用的方式，获得了政治上的巨大成功。

Theartistusesphotographsincombinationwithsolidobjectstoproducethisstrangeeffect,这位艺

术家用图片加实体的方法，创造出了这种奇异的效果。

13)shed/throwlighton:makesth.easiertounderstand(某事)更为清楚，阐明

Scientistshaveshednewlightonthelifeofdinosaurs.科学家们对恐龙的生活有了新的认识。

14)bedescendedfrom:havesb.asanancestor为..的后裔,是....的后人

CharlesDarwinpointedoutthathumanbeingsaredescendedfromanimals.查尔斯•达尔文指出人

类是动物的后裔。

15)distinctive:a.havingaqualitythatmakessth.differentandeasilynoticed

Thebuilding'smostdistinctivefeatureisitsenormousdome-shapedroof.这幢建筑的最大特色是

它那巨大的圆形屋顶。

Compare:distinct:a.clearlynoticeable;thatcertainlyexists

Thereisadistinctsmellofcigaretteseverytimehecomesintotheroom.他每次进房间，就明显有

一股香烟味。

Thereisadistinctivesmellintheroom.房间里有一种特殊的气味。

16)unknown:notknown;notfamousinfamous:shameful,notorious

Theshowwassuchasuccessthatshewentfromanunknownactresstoastarovernight.演出非常

成功，使她从一个默默无闻的女演员转眼成了一位明星。

Hisactionincheatingelderlypeopleoftheirsavingswasdescribedbythejudgeasinfamous.法官

把他这种欺诈老人的存款的做法称为无耻。

17)notjust...but...aswell:notonly...butalso

Thegovernmentradionotonlyreportedthedemonstration,butannounceditinadvanceaswell.政

府电台不仅报道了这次示威游行，而且事先做了预告。

18)conventional:a.followingwhatistraditionalorconsideredtobenormal

Thehousewasbuiltwithconventionalmaterialsbutinatotallynewstyle.这房子是用传统的材料

建造的，但风格却是全新的。

They'reaconventionalfamily.他们是一•个很传统的家庭。

4.SentencePatterns

1)Sth./Sb.iswidelyassumed/be1ieved/thoughtto…Butsth./sb.elsetellsadifferentstory.

人们普遍认为.....然而......表明并非如此。

应用：a.人们普遍认为诚信已从我们的社会生活中消失。然而发生在某高校的饭卡事件表明并非如

此。

Honestyiswidelyassumedtohavegoneoutofoursociallife.Buttheincidentofmesscardsinacertain

universitytoldadifferentstory.

2)Sth.superficialhaspersuadedsb.that---Butsth.elsebegstodiffer.

表面现象使得某人认为.....然而......说明了不同的结果。

a.五花八门的作弊手段使得一些教育者认为考场作弊防不胜防。然而诚信协定说明了不同的结果。

Thediversityoftricksincheatinghaspersuadedsomeeducatorsthatcheatinginexaminationsishardto

guardagainst.Butatreatyoftrustbegstodiffer.

b.追求财富的不良倾向使得一些人认为人都是金钱的奴隶。然而他拾金不昧的做法说明了不同的结

果。

Theundesirabletrendinseekingforwealthhaspersuadedsomepeoplethatthemortalareallslavesto

money.Buthiswayofnotpocketing