浙江省衢州市高中英语《Unit2 using language language points》教案 新人教版必修4VIP免费

Unit2usinglanguage----languagepoints教材分析（analysisofteachingmaterial）:Thispassageisaaboutorganicfarming.Nowadays,thechemicalfertilizersarepopularamongfarming.Itdamagestheland,isbadforenvironmentandpeople’shealth.Somefarmersandcustomersprefertheorganicfarming.Studentscanlearnsomethingaboutitfromthispassage.学情分析（analysisofthestudents）:Thispassageislittledifficultforourstudents.Therearesomedifficultsentencesforthem.Teacherscanhelpstudentstoreadthemandtrytotranslatethem.Meanwhile,ourstudentscanlearnsomethingnewaboutfarming.Chemicalfertilizerscausemanyproblems,soorganicfarmingarepopularamongfarming.教学目标(Teachingaims)知识目标(Knowledgeaims):cantranslatethesentences;learnthelanguagepointsandcanfinishtheexerciseonthebook.能力目标(Abilityaims):canretellthepassageandcansaysomethingaboutorganicfarming.Canusethewordsandexpressiontoexpresstheirideas.情感目标（Emotionalaims）:risestudents’interestaboutEnglishandcanexpresstheirideasfreely.教学重点和难点（teachingimportantpointsanddifficultpoints）#Teachingimportantpoints:alllanguagepoints.Newwordsandexpressions#Teachingdifficultpoints:Cropssuchaspeasorsoybeansputimportantmineralsbackintothesoil,makingitreadyforcropssuchaswheatorcornthatneedrichandfertilesoil.本句中，makingitreadyforcropssuchaswheatorcornthatneedrichandfertilesoil表示“像豌豆或大豆这样的农作物将重要的矿物质带回土壤”的结果，即动词-ing形式表结果。教学过程(Teachingprocedures)Step1review1)Readthewordsandexpressionstogether.2)Retellthestoryonpage14.Step2languagepoints1.Thesechemicalsinthefoodsupplybuildupinpeople’sbodiesovertime.1）supplyn供给，供应反义词：demandsupplyanddemand供与求beinshortsupply供应不足，供应缺乏foodsupply食物供应watersupply供水供应品，生活用品，补给品用复数形式supplieshouseholdsupplies家庭用品medicalsupplies医用品2）buildup逐渐增强，开发，建立buildupone’sbody增强体质2.Manyofthesechemicalscanleadtocancerorotherillnesses.leadto导致，造成（后果），通向eg:Eatingtoomuchsugarleadstorottenteeth.resultin导致，致使resultfrom由……造成，因……产生3.Inaddition,fruit,vegetablesandotherfoodgrownwithchemicalfertilizersusuallygrowtoofasttobefullofmuchnutrition.1)inaddition另外，加之eg:Inaddition(tothenamesonthelist)therearesixotherapplicants.inadditionto=besides除了……之外Inadditiontoanalbum,Igavehimapenandapencil.2)befullof:befilledwith装满befilledwithhateforsb.满怀对某人的憎恨eg:Onaclearnight,theskyappearstobefilledwithstarts.4.Theyfocusonkeepingtheirsoilrichandfreeofdisease.focusn.焦点，中心点Thefocusonmycameraisn’tworkingproperly.v.集中，聚焦I’msotiredthatIcan’tfocusonanythingtoday.拓展：centeron集中在，着重在concentrateon集中（注意力、精力等）于……putone’sheartintosth.全神贯注做某事5.Thisalsokeepstheair,soil,waterandcropsfreefromchemicals.keep…freefrom/of=protect…from使……免受（影响；伤害）freefrom没有；不受……损害eg:Thishouseisfreefromflies.Youshoulddomoreexercise,whichcankeepyoufreefromcold.拓展：acityfreefromthieves无贼的城市adayfreefromwind无风的一天keepsb.doingsth让某人一直做某事keepsb.fromdoingsth.阻止某人做某事6.Cropssuchaspeasorsoybeansputimportantmineralsbackintothesoil,makingitreadyforcropssuchaswheatorcornthatneedrichandfertilesoil.本句中，makingitreadyforcropssuchaswheatorcornthatneedrichandfertilesoil表示“像豌豆或大豆这样的农作物将重要的矿物质带回土壤”的结果，即动词-ing形式表结果。Eg:Hecutdownthetreesinfrontofhishouse,...