初中九年级英语课件Lesson8TheStudyofLivingThings说课一等奖

Lesson28TheStudyofLivingThingsUnit5LookintoScienceLesson28

ThestudyofLivingThingsChipTaylorbiologybutterflymigratefantasticcompletelygrandchildfemalemilkweedchemicalpuzzling奇普.泰勒n.

生物学；生物n.

蝴蝶v.

移居；迁徙adj.奇异的；了不起的adv.完全地n.

孙子;孙女;外孙;外孙女n.

雌性的动物或植物；女子n.(植)马利筋n.

化学物质adj.

令人费解的WordsandExpressionsWhatdowecallthesciencethatstudieslivingthings?Biology!Lesson28TheStudyofLivingThingsplantanimalinsectcellgeneWhatarerelatedtobiology?biologist1.ToreadandunderstandthepassageaboutNorthAmericanbutterfly2.Toreviewtheuseofattributiveclauses3.Tolearnsomeusefulwordsandexpressions:fantastic,cutdown,laylegs…ObjectivesButterfliesarebeautiful.Doyouknowthem?红带袖蝶Heliconiusmelpomene88多涡蛱蝶Eighty-eightbutterfly猫头鹰环蝶Caligoeurilochus蓝闪蝶Morphomenelaus多尾凤蛾Uraniaripheus宽纹黑脉绡蝶Gretaoto黑脉金斑蝶Monarchbutterfly

TheMonarchbutterflyisonethemostreadilyrecognizedandbelovedinsectsinNorthAmerica.

Readthearticlecarefullyandgetmoredetailedinformationaboutthiskindofbutterfly.Whatdoyouknowaboutthiskindofbutterfly?Whatmysteriesofthiskindofbutterflydoyouknowabout?PartIFantasticfactsaboutbutterfliesPartⅡThingsthatDr.Taylorworriesaboutandnowthingsareimproving

PartⅢThingsthatscientistscan’tunderstandNowskimthepassageanddivideitintodifferentparts.PayattentiontotheseAttributiveClausesentences.Read

Part1

andcompletethesentences.Dr.ChipTaylorstudies___________NorthAmericanbutterfly.Thisbutterflytravelsabout4000kilometressouth_______.Fantasticfactsaboutthebutterflyhavebeen________Dr.Taylor’s_________.onekindofinfalldrawingattentionFantasticfactsaboutbutterflies4.InMexico,__________230millionbutterfliesspendthewinter.5.Thebutterfliesthat_________thesoutharethegreat-greatgrandchildrenofthebutterfliesthat________thenorth.6.Whenthey_______travelnorthinspring,thefemales________.Theylayeggsononlyonceplant:milkweed.asmanyasbegintolayeggsreturntoleftforRead

Part2

andcompletethesentences.InMexico,people________thetreesthatthebutterfliesneedto_______becausetheywantmorelandforfarming.InUnitedstatesandCanada,farmersusechemicals____killmilkweed.Nowthingsareimproving.Mexicohasbeguntoprotect________itsforests.TheUnitedStatesandCanadahave__________farmerstouselesschemicals.ThingsthatDr.TaylorworriesaboutandnowthingsareimprovingcutdownrestonthatencouragedpartsofThingsthatscientistscan’tunderstandRead

Part3

andcompletethesentences.Scientistsstilldon’tunderstand____thebutterfliesknow_____toflysouth.Andhowdoallthe________________________findthesameforestinMexicoeveryyear？Thisis_____puzzling____interestingformanyscientist.howwhenbothandgreat-greatgrandchildrenP731Completethetable.FantasticfactsaboutbutterfliesThingsthatDr.TaylorworriesaboutThingsthatscientistscan’tunderstand.Thebutterfliesalways__________tothesamesmallpieceofforestand______thewinterthere..Thebutterfliesthatreturntothesoutharethegreat-greatgrandchildrenofthebutterfliesthatleftforthenorth..Thefemales____eggsononlyoneplant:milkweed..InMexico,peoplecutdownthetreesthatthebutterfliesneedto_____on..IntheU.S.andCanada,farmersusechemicalsthat____milkweed..Howdothebutterfliesknowwhentoflysouth?.Howdothegreat-greatgrandchildrenofthebutterflies______thesameforest?return/flyspendlayrestkillfindDiscussWouldyouliketobeabiologistwhenyougrowup?Whyorwhynot?2Jointhesentencestomakeattributiveclauses.1.Iaskedhimtomailtheletter.Iwrotethelettertomycousin.______________________________________________________________________2.YesterdayImetaboy.Theboyisanewmemberinourartclub.______________________________________________________________________Iaskedhimtomailtheletterwhich/that/不填Iwrotetomycousin.YesterdayImetaboywho/thatisanewmemberinourartclub.P733.Marywascarryingabag.Thebagcostheralotofmoney.____________________________________________________________________4.Footballisateamsport.Footballispopularallovertheworld.____________________________________________________________________Marywascarryingabagwhich/thatcostheralotofmoney.Footballisateamsportwhich/thatispopularallovertheworld.3Workingroupsofthreetoplayagame.Tasktips:

Eachgroupshouldpreparesomepiecesofpaperanddividethemintothreecolumns.StudentAwritesaperson’snameinthefirstcolumn,foldsthepaperandpassesittoStudentB.StudentBwritesastatementbeginningwith“who”,foldsthepaperandpassesittoStudentC.StudentCmustfinishthesentenceandreaditoutloud.Example:Mr.BrownwhoisabiologistwillgiveusatalkP73drawone’sattentionasmanyascutdownboth…and…leaveforlaylegsTranslatetheChineseintoEnglish.吸引某人的注意力和…一样多砍伐既……也……到，去；出发，前往产卵Languagepoints1.FantasticfactsaboutthebutterflyhavebeendrawingDr.Taylor’sattention.这种令人着迷的蝴蝶一直吸引着泰勒博士的注意。drawone’sattention

吸引某人的注意力Hetriestodrawourattentiontothepainting.他试图把我们的注意力吸引到这幅画上。Thewonderfulbasketballgamedrewmyattention.精彩的篮球比赛吸引了我的注意。2.Here,asmanyas230millionbutterfliesspendthewinter.在这里，多达两亿三千万只蝴蝶在这里过冬。as+adj./adv.+as意为“和……一样”，表示同级的比较。Thisfilmisasinterestingasthatone.这部电影和那部电影一样有趣。Yourpenwritesassmoothlyasmine.你的钢笔书写起来和我的一样流畅。3.Thebutterfliesthatreturntothesoutharethegreat-greatgrandchildrenofthebutterfliesthatleftforthenorth.这些飞回南方的蝴蝶是春天飞往北方蝴蝶的曾曾子孙。leavefor

到；去；出发，前往TheyleftforShanghaiyesterday.他们昨天去上海了。TheywillleaveBeijingforGuangzhoutomorrow.他们明天要离开北京去广州。4.Whentheybegintotravelnorthinspring,thefemaleslayeggs.当他们春天开始向北方飞行时，雌性蝴蝶产卵。layeggs意思是“产卵，下蛋”。lay的过去式和过去分词为laid，现在分词为laying。It

is

oneof

only

two

mammals

thatlay

eggs.

它是仅有的两种产蛋哺乳动物之一。They

only

lay

eggs

about

every

fiveyears.

它们只是每隔五年才产卵一次。5.ButinMexico,peoplecutdownthetreesthatthebutterfliesneedtorestonbecausetheywantmorelandforfarming.但是在墨西哥，人们砍伐了蝴蝶赖以栖息的树木，因为他们需要更多的耕地。cutdown

砍伐；消减Manytreeshadbeencutdownsothatthesoilwaswashedaway.许多树木被砍伐了，结果土壤被雨水冲走。Wemustcutourexpensesdowninordertolivethroughthewholeyear.我们必须减少消费，以便度过全年。注：另附word文档，点此链接Ⅰ.根据汉语提示完成句子。1.Ihavea________(极好的)sociallife.2.Themost

profound

unsolved

problem

in

______(生物学)

is

the

origin

of

lifeitself.3.Some

birds

_______(迁徙)

as

seasonchanges.4.I__________(完全地)

agreewith

these

views.5.The

spelling

of

English