人教版高二下 Unit 18 Inventions 教案.docx
《人教版高二下 Unit 18 Inventions 教案.docx》由会员分享,可在线阅读,更多相关《人教版高二下 Unit 18 Inventions 教案.docx(10页珍藏版)》请在冰豆网上搜索。
人教版高二下Unit18Inventions教案
人教版高二下Unit18Inventions教案
人教版高二下Unit18Inventins教案
Perid1Let’slistenandspea!
Gals
●Helpstudentsunderstandthensenseabutinventins
●Dlisteningandaesurestudentsunderstandit
●Helpiprvethestudents’listeningandspeaingabilities
Predures
Leadinginbguessing
Tda,earegingtlearnsethingabutinventinsthatilldgdthuanbeingsrevensthaadiffiultiesbrughtbdisabilitiesHerearesefthePleaseguesshatthearerhtheinventrsare
1aanhaderethan1,000inventinsinhislifeandinventedeletribulbs
2aanhdisveredaatalterandexpandtherangefnaturalttnlrsithutusingtintsrdes
3aputerthatfitsfrtablnurnseandeighslessthanapairfglasses
4aanbrnin1876hinventedaneffetivegastrengineandbuiltthefirstpratialfur-streinternalbustinenginealledthe“ttleEngine”
ashehseheelsadeeletriititheversteptheearertaes
e:
1ThasAlvaEdisn
2SallFx
3Nse-tpputer
4Nilaustt
Eletrishes
Tlearnreabutinventinspleaseturntpage7rlatthesreen
Tas1:
Linganddisussing
Latpage7rthesreenTherearefurpituresandfurdesriptinsReadthedesriptinsindividuallfirstandthenatheahpitureiththerretdesriptin
Piture1:
Eletrishes
Piture2:
Inflatablebile
Piture3:
Ediblehpstis
Piture4:
Nse-tpputer
Tas2:
Disussing
Ndisussthefllingquestinsinpairs:
1hihfthefur“inventin”duthinuldbereuseful?
h?
2Isthereanthinguuldlietinvent?
Ifs,hatandh?
Tas3:
Listeningandanseringquestins
1Nearegingtlistentdialgue1nthetape,hihisabutrDean’sneinventinListenarefullandtrtunderstanditThenushuldanserthefllingquestins:
1)hataretheadvantagesfrDean’sneinventin?
2)Hdesitr?
3)hatanitbeusedfr?
4)hdesthepatentffierntanttgivetheanapatent?
2Listentthetapefdialgue2,hihisabutrSles’inventinandthenanserthefllingquestins:
1)hathasrSlesinvented?
2)hdidtheaninventit?
3)Duthinitrs?
Hdesitr?
4)hdesthepatentffierntanttgivetheanapatent?
Tas4:
Speaingup
IngrupsffurneistplatherlefaninventrtexplainttheresthhisinventinrsThepatentffiershuldlisten,asquestinsanddeidetgivehihnethepatent
lsingbriting
Tendtheperid,let’strtritealistfneinventinseuldlietaeLet’sseehseideasarebthreativeandpratial
Perid2Let’sread!
(hatilluThinfNext?
…)
Gals:
●Iprvethestudents’readingabilities
●Learnabutreativitandthiningstrategies
Predures
Learninginbdisussing
LasttieuereasedtritealistfurpssibleinventinsNeshallseehseinventinsarebthreativeandpratial
T:
hat’surinventin,Sa?
Sa:
FlerSpeaerAplifiers
T:
hatdesitllie?
Sa:
Itisthegadgetthatishiddeninavaserapttedplant
T:
Hdesitr?
Sa:
ItsendsusiatusttherightfrequentvibrateupthestesandthenbenvertedintaudiblesundbtheentireplantAdeviesuhasaDplaerrradianbennetedtitusiisalsgdfrtheplants,hihareinvigratedbthenstantusialsunds
T:
QuitereativeNardingttheanserfrSa,Ihavegtsequestinsfrallfutdisussingrups
Tas1:
Siingfrtheainidea
eshalllearnreabutreativittdaNsithereadingpassagetfinduttheainideafeahpart
Tas2:
TruerFalse
1stinventrshavehighIQs
2Thethingsenansetiesaeitrediffiultfrustunderstand
3It’sipssibletlearnhtbereative
4Thebestatfindagdslutinistlfrnegdanser
Inventrstrtavidfailure
6Thereasehaveflingataprble,therelielitisthateanfindaslutin
7stgdideasaretheresultfalngpressftrialanderrr
Tas3:
Listeningandreadingalud
Next,earegingtlistenandreadaludPauseattherretplaesandfindutthesentenesdiffiulttuatthesaetie
UsefulExpressins
Usene’sreativit,eupithaneidea,haveuhinn,havedifferentbagrunds,dellinshl,gethightestsres,haveahighIQ,pratiegdthiningstrategies,liitne’sthining,thinut,rephraseaprble,allfrreativeslutins,reetrngideas,getstu,vetardsabetterslutin,breaaafrldthughtpatterns,explrenepssibilities,deepenne’sunderstanding,reainhidden,nnett,aennetinsapressftrialanderrr,hangetherld
Tas4:
Questinsandansers
Firstrinpairs,tringtanalzethediffiultsentenes,thenputurquestinsteeillfusnthefrsandstruturesfthepassages
Tas:
Fillintheblansiththerdsinthetext
reativitisaatterf_____Inrdertberereative,eshuldthinabuthethinand_______gdthiningstrategies
T“thinutsidethebx”isansius______tbreaaafrldthught______inrdert_______nepssibilitiesAhangein________-----ttaeantherlattheprble----aleadtgdslutinsandneideas
Greatthinersare______f“aingnnetins”andtrt______neandldideasinasan______asaspssibleB_______andnnetingideasandbetsinneas,reativethinersareabletthinfne_________andslutins
Gdideasaren_______Thearetheresultfalng_____ftrialand_____Ifeanttdevelpurreativit,eantrusingthesethiningstrategiestfindneast_____urlife
lsingupbdisussin
Tendthisperid,let’shaveadisussinfthefllingquestins:
1Haneberereativeinthining?
2Hdpepleeupithneideasfrneinventins?
3Hanreativethiningbeusedtbetterurstudies?
Perid3Let’sstud!
(Graar:
RevietheAttributivelause)
Gals
●LearntdefinerdsinEnglishiththeattributivelause
●Learnreabuttheattributivelause
Predures
Leadingin:
Readinganddisvering
Readthepassagesandunderlinealltheattributivelauses
Tas1:
Revieingtheattributivelause
学习定语从句的几个问题
1、掌握以上关系代词、关系副词的含义及使用时,要特别注意以下几点:
1)指物时宜用that的情况:
a当先行词为all,uh,little,fe,nne,sething,anthing,everthing,nthing等不定代词时。
Allthatanbednehasbeendne
b当先行词既指人又指物时。
Hespeftheenandthething(that)hehadseenabrad
当先行词被序数词或形容词的最高级修饰时。
ThisisnefthebestfilsthatIhaveeverseen
d当先行词被thever,thenl,thelast,an,ever等修饰时。
ThisisneftheverbthatIalingfr
e当先行词是疑问词h,hat,hih时。
hthathassuhahedesn’tlveit?
f关系代词在从句中作表语。
arisnlngerthegirlthatsheusedtbe
2)关系代词as和hih都能引导非限定性定语从句代表整个句子的内容,as
引导的从句可位于句首或句末,hih引导的定语从句则不能位于句首。
hihun,heisagdan(×)
Asun,heisagdan(√)
3)关系副词hen,here,h其含义相当于nhih,inhihfrhih等,可以互换:
Thedahen/nhihIethifirstasa1st
Idn’tnthereasnh/frhihhedidn’te
47)hse指物时,可以与fhih等结构互换,但应注意与冠词的位置关系:
Thisisthebtheverfhih/fhihthever/hseverisblue
)有时可用代替关系副词。
在口语中常省略。
Thisisthereasn(h/frhih/that)heaelate
6)先行词是专有名词、整个句子或世界上独一无二的物质名词时,一般用非限定性定语从句修饰。
Thesun,hihgivesuslightandheat,isverbig
7)在先行词和定语从句之间有无逗号有时会引起名义的变化:
Hesaidnthingthatadeherangr他没说使她生气的话。
Hesaidnthing,hihadeherangr他一言不发,这使她很生气。
2、定语从句与强调结构
Itistheplaeherethelivedbefre
Itisintheplaethatthelivedbefre
第一个句子为定语从句,here指代theplae,在定语从句中作状语,第二个句子为强调结构,强调intheplae,that没有意义,把放回后面句子,句子意思完整。
hereisitthathefundthelstath?
(强调句型,强调疑问副词here)
hereistheathhefundesterda?
(定语从句,that指代theath)
3、定语从句中的先行词
Isthisbthenethatubughtesterda?
Isthisthebthatubughtesterda?
第一个句子中,thisb是主句的主语,thene是先行词。
在第二个句子中this是主句的主语,theb是先行词。
一定要避免出现:
Isthisbthatubughtesterda?
4、定语从句与同位语从句
定语从句相当于形容词,它对先行词起修饰、描述或限制作用,而同位语从句则相当于名词,对其前面的词给予说明或作进一步解释,即说明该词所表示的具体内容。
例如:
Thenesthateheardisnttrue(定语从句)
Thenesthathentheprizeisnttrue(同位语从句)
另:
在“havenidea+从句”结构中,其从句都作idea的同位语。
例如:
Ihavenideahensheillbeba
Tas2:
Fillinginandreriting
Nitistiefrutdthegraarexerises1and2npage61
lsingupbringutardpuzzle
Trelaxed,turntpage62,andruttherdpuzzleasquiaspssibleTheinnerillinalittlegift
Perid4Let’sreadandrite!
(ALLINTHEIND:
SIENTIFIETAPHRS)
Gals
●Iprvethestudents’abilitiesfreadingprehensin
●Learnabutthepsitiveandnegativef“sientifietaphrs”
●Enablethestudentstritebriefessas
Predures
Leadingin:
blifeexperienes
Gdrning,lass!
Livinginaninfratinage,eareeningvariusinventinsfderntehnlgeaeusesfputers,bilephnes,TVsets,andsnNtellehatusesuaefallthsederndevies
Tas1:
Readingfrtheainideafeahparagraph
Tlearnreabutderntehnlgies,turntpage63andfirstreadfrtheainideafeahparagraph
Tas2:
Disussingthelanguagepints
AnprbleiththeartileNinpairstrtfindsequestinsabutallthepintsdiffiulttuuaasefrhelpifneessar
Tas3:
Listeningandreadingalud
Tunderstandbetterhat’staledabutintheartile,listentthetapererdandreadaludthetextatthesaetie
lsingupbritingabriefessa
Allright,nlistentquestins:
hatillputersllieinthefuture?
Hilleuseputers?
Huldudesribeaputertsenelivinginthe19thentur?
hatuldupareaputert?
rdsandExpressins
liveinaninfratinage,d…ithputer,sendails,besiilart…,eepinfratininne’ser,develptehnlgatahighpae,etaphr,strage,paste,glue,bedifferentfr…,inthebesta,afterall,nthat,inthefuture,thinabut…
Her
Readingaterial
以“鱼”喻人
Ⅰshar:
(本义)鲨鱼;(喻义)贪诈的人。
如:
alanshar(高利贷主),thebigshars(垄断资本家)。
Ⅱeel:
(本义)鳗鱼;(喻义)滑头的人。
如:
He’sfarfrstraightfrardtdealith——aslippereel
他这个人与人打交道很不直爽———滑头精。
Ⅲfish:
(本义)鱼;(喻义)人。
如:
Thatldunlefursisaqueerfish你那位老伯伯,可真是个古怪的人。
aldfish冷冰冰的人 aprfish可怜虫
“植物”喻人
ⅠHe as the N1 seed in the table-tennis hapinship
他是这届乒乓球锦标赛头号种子选手。
(种子——种子选手)
ⅡA an f learning is suppsed t be se pupins
学问高深的人常被认为是重要人物。
(南瓜——很重要的人物,通常用复数形式并与se连用)
ⅢHe is a real dais他是个顶