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1、Unit4ExploringplantsPart1TeachingDesign第一部分教学设计Period3AsamplelessonplanforUsingLanguage(FLOWERSANDTHEIRANIMALPOLLINATORS)IntroductionLanguageislearnedtobeusedinandforcommunication.Sointhisperiodweshallhavethestudentslookandtalkaboutsomestrangeplants,readapassageaboutflowerpollinationandrewritewhati
2、sread.Objectives■Tohelpstudentsreadatextaboutflowersandtheirpollination■Tohelpstudentsspeakaboutplants■TohelpstudentsrewritewhatisreadProcedures1.WarminguptakingaquizTakethefollowingsentencesindirectspeechandputthemintoindirect(orreported)speech.Shesaid,"I'veworkedheresinceIleftmylastjob."Shetoldme
3、thatshehadworkedtheresinceshehadleftherlastjob.Yousaid,"Iwillhelpyou!"Yousaidyouwouldhelpme!Sheaskedme,"Whenarewegoingtoleave?"Sheaskedmewhenweweregoingtoleave.Petersaid,"Imaybringsomeonewithmetotheparty."Petersaidhemightbringsomeonewithhimtotheparty.Myfriendsaid,"Iwillhavefinishedmyhomeworkbytheti
4、meyouarrive."MyfriendtoldmehewouldhavefinishedhishomeworkbythetimeIarrived.Markaskedme,"WhydoyouwanttostudyRussian?"MarkaskedmewhyIwantedtostudyRussian.Marciasaid,"Ihavebeenwaitingforyouforoveranhour."Marciasaidshehadbeenwaitingformeforoveranhour.Alisonsaid,"Ihadeatenbeforeyouarrived."Alisontoldmes
5、hehadeatenbeforeIhadarrived.Lennysang,"Iwanttogetaway,Iwanttoflyaway"Lennysanghewantedtogetaway,hewantedtoflyaway.Jasonaskedme,"Areyoucomingwithme?"JasonaskedmeifIwascomingwithhim.2.LookingandtalkingNowgotopage36.Lookatthephotosandlisteningtometalkingtoyouaboutthelivingstonesplant,Refflesiaandpitch
6、erplants.●Pitcherplantsarecarnivorousplantswhoseprey-trappingmechanismfeaturesadeepcavityfilledwithliquid.Insectssuchasfliesareattractedtothiscavity,oftenbyvisualluressuchasanthocyaninpigments,andnectarbribes.Thesidesofthepitcherareslipperyandtheyarealsogroovedinsuchawaysoastoensurethattheinsectsca
7、nnotclimbout.Theliquidcontainedwithinthepitchertraps,drowns,andgraduallydissolvesthebodyoftheinsect.Thismayoccurbybacterialaction,orbeduetoenzymessecretedbytheplantitself.●Rafflesiaisagenusofparasiticflower
