冀教 九年级 英语 下册 Unit 5《Lesson 28 The Study of Living Things》课件

Unit5LookintoScienceLesson28TheStudyofLivingThingsDoyouknowhim?FreeTalkCharlesRobertDarwinHeisa

.Hestudieslivingthings.

biologistBiologyisasubjectthatstudieslifephenomena（现象）andthelawsoflifeactivities.Itisthefoundation（基础）ofagriculture,forestry,medicineandenvironmentalscience.DiginWhatdoyouknowaboutbiology?LeadinTheyarebutterflies.ThisisDr.ChipTaylor.HestudiedonekindofNorthAmericanbutterfly.Whathavebeendrawing

Dr.Taylor’sattention?ReadingtasksFantasticfactsaboutbutterflies.fantasticadj.奇异的，了不起的，极好的NewWordsMostbirdshavetoflylongdistancestomigrate.No.Itispuzzling.Howdidtheyfindtheiroldhome?Doyouknow?adj.令人费解的v.移居;迁徙NewWordsadj.化学的;与化学有关的;n.化学制品;化学品Thesearechemicals.Magnesiumcanburncompletelyinoxygen.adv.完全地NewWordsDoyouknowtherelationshipbetweenthe

femaleandthechild?femalen.

雌性的动物或植物;女子Thisfemaleisthechild’sgrandmotherandthechildisthefemal’sgrandchild.TheyarethebutterfliesthatDr.ChipTaylorstudied.ListenandfollowReadthelessonandcompletethetable.Fantasticfactsaboutbutterflies•Thebutterfliesalways________tothesamesmallpieceofforestand________thewinterthere.•Thebutterfliesthatreturntothesoutharethegreat­greatgrandchildrenofthebutterfliesthatleftforthenorth.•Thefemales_____eggsononlyoneplant：milkweed.

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spendlayReadingtasksReadthelessonandcompletethetable.ThingsthatDr.Taylorworriesabout•InMexico,peoplecutdownthetreesthatthebutterfliesneedto______on.•IntheU.S.andCanada,farmersusechemicalsthat______milkweed.Thingsthatscientistscan’tunderstand•Howdothebutterfliesknowwhentoflysouth?•Howdothegreat­greatgrandchildrenofthebutterflies________thesameforest?findrest

killReadingtasksEmotionalpromotionAredinosaurstheancestorsofmankind?EmotionalpromotionDoyouknowthemysteryofwhalesuicide?Therearemanymysteriesyettobediscovered.Wouldyouliketostudybiology?wedidyeserdaythatJointhesentencestomakeattributiveclauses.Example：Wedidsomeexperimentsyesterday.Theexperimentswerefantastic.1,确定为先行词。GrammmarSteps:2,确定关系代词/副词,并放在先行词之后。3,把从句的剩余部分加在后面。Theexperiments3,把主句的剩余部分加在后面。werefantastic.Jointhesentencestomakeattributiveclauses.1.Iaskedhimtomailtheletter.Iwrotethelettertomycousin.________________________________________________2.YesterdayImetaboy.Theboyisanewmemberinourartclub._________________________________________________3.Marywascarryingabag.Thebagcostheralotofmoney.________________________________________________4.Footballisateamsport.Footballispopularallovertheworld._________________________________________________IaskedhimtomailtheletterthatIwrotetomycousin.

YesterdayImetaboywhoisanewmemberinourartclub.Marywascarryingabagthatcostheralotofmoney.Footballthatisateamsporttispopularallovertheworld.GrammmarWorkingroupsofthreetoplayagame.Tasktips：Eachgroupshouldpreparesomepiecesofpaperanddividethemintothreecolumns.StudentAwritesaperson'snameinthefirstcolumn,foldsthepaperandpassesittoStudentB．StudentBwritesastatementbeginningwith“who”,foldsthepaperandpassesittoStudentC．StudentCmustfinishthesentenceandreaditoutloud.Example：Mr.BrownwhoisabiologistwillgiveusatalkGroupworkbiologybutterflymigratefantasticcompletelygrandchildfemalemilkweedchemicalpuzzlingFantasticfactsaboutthebutterflyhavebeendrawingDr.Taylor