高中英語人教版Unit4Exploringplants 學(xué)案設(shè)計(jì)

Unit4UsingLanguageFlowersandtheiranimalpollinatorsLearningObjectives:Attheendofthisclass,studentswillbeabletoknowsomethingaboutflowersandtheiranimalpollinatorsbyskimmingandansweringthequestions.knowsomethingaboutnatureandlovenature.前置測(cè)評(píng)：Words:.＆vi.發(fā)展；進(jìn)展；進(jìn)化→________________n.演變；進(jìn)化.縛上；系上；附加.芬芳的；香的.典型的，有代表性的→________________adv..精巧的；脆弱的；微妙的.氣味；香味；臭味→________________adj.沒有氣味的；無嗅的.不鮮明的；陰暗的.發(fā)霉的；有霉味的.果味的；（酒）有葡萄味的.對(duì)……授粉→________________n.蟲媒Phrases:貼上；附上發(fā)出(氣味、熱等);分發(fā)課內(nèi)探究：Part=1\*ROMANISkimming1.BeforeyoureadthetextonPage38,haveaquickglanceatit.Whatisthetextabout?________________________________________________________________________________2.Findthemainideaofeachpart:Threeparagraphs:_________________________________________________________________Pictures:________________________________________________________________________Chart:___________________________________________________________________________Part=2\*ROMANIIScanningParas1-3:AnswerthequestionsQ1:Whatistheadvantageforanimalsofvisitingflowers?________________________________________________________________________________Q2:Whydosomeplantsneedanimals?________________________________________________________________________________doesananimalpollinateaflower?________________________________________________________________________________Q4.Whatkindsofanimalsaremostflowerspollinatedby?________________________________________________________________________________featuresofaflowerareimportantinattractinganimalpollinators?________________________________________________________________________________word“evolve”means_______.A.developB.relyonCinfluenceD.affectChart:TrueorFalse1.Beesfollowcoloredlinestothenectarinsidetheflower.()2.Flowersthatarewhiteorpalecanbeseenbynightpollinators.()3.Butterfliesareattractedtosweet-smellingflowers.()4.Batspollinateflowersatnight.()5.Flowercolorisnotimportanttohummingbirds.()6.Allpollinatorsneedtolandonthefloweriftheyaretofindthenectar.()Part=3\*ROMANIII.Longanddifficultsentences:1).Sopollinationtakesplace,thereforeincreasingthechancesofthesurvivaloftheplantspecies.therefore/thusdoingsth現(xiàn)在分詞作結(jié)果狀語Hisparentsdied,leavinghimanorphan.他父母死了，他成了孤兒。________________________________________________________________________________2).Pollenbecomesattachedtotheanimalduringitsvisittoaflowerandisthenpassedontoanotherplant’sblossomonitsnextvisit.attachto把……附加、系上或縛在……上Heattachedalabeltoeachpieceofluggage.他把每件行李都貼上標(biāo)簽。________________________________________________________________________________3).Throughevolution,mostflowershaveadaptedtoattractspecifictypesofpollinators.adaptto使適應(yīng)，改編Thespokesmanadaptshisspeechtosuittheinterestsofhisaudience.這個(gè)發(fā)言人把講演修改了一下，以適應(yīng)聽眾的趣味。Hehasadaptedtotheclimatethere.他已經(jīng)習(xí)慣于那里的氣候了。________________________________________________________________________________Part=4\*ROMANIVPost-readingFindothernounsinthechartthatmeanthesameas“smell”.Listadjectivesfromthechartthatareusedtodescribedifferentkindsofsmells.Nounsthatmean“smell”:_________________________.Adjectivesthatdescribesmells:______________________________________________________.Part=4\*ROMANVDiscussion:Ingroups,lookatthepicturesanddecidewhatkindsofpollinatorstheseplantsmighthave.Givereasonsforyouranswers.Part=6\*ROMANVIHomeworkWriteashortpassageaboutflowersandtheiranimalpollinatorsaccordingtowhatwehavelearnedinthisclass.______________________________________________________________________________________________________________________________________________________________________________________________________________________