2019-2020年高中英語Unit2Wokingthelandusinglanguage教學(xué)案新人教版必修4

1、2019-2020年高中英語Unit2Wokingthelandusinglanguage教學(xué)案新人教版必修4學(xué)習(xí)指導(dǎo)即時(shí)感悟教學(xué)內(nèi)容Learningaims:知識與能力：tomastersomesentencepatternsofthetextandknowthedifferencesbetweenchemicalfarmingandorganicfarming過程與方法：Furtherunderstandthepassage情感態(tài)度價(jià)值觀：toenjoythepleasureofstudyLearningkeypoints:toknowsomethingaboutchemicalfarmi

2、ngandorganicfarmingLearningdifficultpoints:toknowsomethingaboutchemicalfarmingandorganicfarming【學(xué)案使用說明】1）熟讀單詞，為課文閱讀做好準(zhǔn)備。2）25分鐘閱讀課文，了解大意并完成練習(xí)題（自主學(xué)習(xí)及合作探究的題目）【課前預(yù)習(xí)】Task1.1）沖洗掉.3）5）7）9）11）13）15）17）2）集中（注意力、精力）于.每隔幾年4）對造成傷害逐步增強(qiáng)，建立6）導(dǎo)致;造成（后果）；通往另外，而且8）轉(zhuǎn)向使一免受影響、傷害等化肥增加產(chǎn)量進(jìn)入農(nóng)作物內(nèi)部有機(jī)農(nóng)作物10）減少疾病12）阻止土壤流失_14）富含營養(yǎng)

3、16）有用的細(xì)菌和害蟲.18）避免做某事Task2：1. regret（vt./n.遺憾.惋惜（adj.后悔的.遺憾（adv.后悔地）2. chemical（adj.化學(xué)的n.化學(xué)藥品）（n.化學(xué)家、藥劑師）（n.化學(xué)）（n.產(chǎn)品、產(chǎn)物）3. production（n.生產(chǎn)、制造（v.生產(chǎn)、制造_4. nutrition（n.營養(yǎng)）-（adj.有營養(yǎng)的）5.summary（n.總結(jié)、摘要）（vt.總結(jié)、概括）Myquestionsinthisclass6.discovery（n.發(fā)現(xiàn)、發(fā)覺）-（vt.發(fā)現(xiàn)）（一）Matchthemainideaofeachparagraph.Severalpr

4、oblemscausedbyusingchemicalfertilizers.Somemethodstokeepthesoilfertile.Anewdiscoveryofscientists.Theadvantagesofusingorganicfarming.【自主合作探究】ITask1:para1:para2:para3:para4:（二）Answerthefollowingquestions:1. Whyarechemicalfertilizerssopopularinfarmingtoday?2. Readparagraph2andfindouttheproblemscausedby

5、usingchemicalfertilizers.3. Readparagraph3-4andanswer:Whataretheadvantagesoforganicfarming?IITask21. focusvt.&vi.集中（注意力）；聚焦n.c,u焦點(diǎn)；中心點(diǎn)focuson集中于1）.Focusyourcamera.把照相機(jī)的焦距調(diào)準(zhǔn)。2）.Herbeautymakesherthefocusofattention.（短語）集中（注意力/心思/精力）于3）.Alleyes（集中于）her.2. buildup逐漸建立；逐漸增強(qiáng)體質(zhì)；積累；開發(fā)1）.Youneedmoreprote

6、intobuildyouup.你需要增加蛋白質(zhì)以增強(qiáng)體質(zhì)。2）.Heisnowtryingto他正在努力逐步贏得好的聲譽(yù)?！井?dāng)堂達(dá)標(biāo)】Inthepast,farmersweledfertilizerstostopcropdiseaseandincrease.However,Recently,scientistshavebeenfindingthatmanycanbecausedbythem.First,theydamagethelandbykillirgthehelpfulandpests.Thesechemicalsgetinsidethecropsandcannotjustbe,which

7、inpeople'sbodiesovertimeanccancancerorotherillnesses.Withthese,peoplearebeginningtoturntofarming,Whichfocusonkeepingtheirsoilrichandfreeofdiseasesandalsothesoil,waterandcropschemicals.Organicfarmersalsousemanyothermethodstokeepthesoil.Thesemanydifferentorganicfarmingmethodshavethesamegoal:togrow

8、goodfoodandavoidtheenvironmentorpeople'shealth.【總結(jié)提升1. Thenewmodelwillgointopnextyear.2. Becauseofhispoorn,hehasgrownweakerandweaker.3. Thosecountriesarerichin（礦物的）resources.4. Newscientificdarebeingmadeeveryday.5. Thegroupproducesamonthly（摘要）oftheirresearch.6. Wemustourexpensesto300yuanamonth.【

9、拓展延伸】做優(yōu)化P32答案：Tanic

10、farming18.avoiddoingTduceproduct4.nutritious5.summarize6.discover自主合作探究I.paral2 Manyfarmersweledthemasagreatwaytostopcropdiseaseandincreaseproduction Therearethreeproblems.First,theycandamageaswellas.Theyalsostayintheand.Inaddition,盤口toofastto Thefarmersfocusonkeepingtheirsoilrichandfreeofdiseaseandkeepingtheair,soil,waterandcropsfreefromchemicals.II她的美麗使她成為了焦點(diǎn)。focusone'sattentiononfocusedonbuildupgoodreputation當(dāng)堂達(dá)標(biāo)