高中英语《unit2 working the land using language》导学案新人教版必修4

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1、第四册第二单元第四课时阅读导学案Earlysow,earlymow.种得早，收得早。Book4Unit2WorkingthelandUsinglanguageLearningGoals:1.developthestudents’skillsofsummarizing.2.helpthestudentsrealizetheimportanceoforganicfarming.Previewing(预习)Fillintheblankswithaproperwordfromthepassageonpage14.1.Somecancause

2、disease.Peopleusuallytakesomemedicinetohelpthemtorecover.2.Ifsomeonemakesa,heorsheisthefirstpersontofindorbecomeawareofsomethingthatnooneknewaboutbefore.3.Storesofgrainarefrequentlyattackedby,especiallyrats.4.Ifyouarecarefulinyourexam,youcanmistakesyouwillmake.5.Plants

3、willgrowbetterinrichandloose.ResearchinginClass(课堂探究)Step1Leadingin1.Whatisthesubstancemostfarmersputonthesoiltomakecropsgrow?____________________________________________________2.Howmanykindsoffertilizersdofarmersuse?___________________________________________________

4、Step2Listening&Reading&Thinking1．SkimeachparagraphagainandfindthemainideaParagraph:Long-termuseofchemicalfertilizerscancausedamagetothelandandpeople’shealth.Paragraph:Farmersandcustomersturntoorganicfarming.Paragraph:OthermethodstokeepthesoilfertileParagraph:Problemsca

5、usedbychemicalfertilizers.2．Whatis“organicfarming”?(nomorethan12words)____________________________________________________3．Filltheblank:Thefertilizerthatorganicfarmerspreferis.4．Choosethebestanswer.（1）Whichisnotthereasonwhyorganicfarmersprefernaturalwastefromanimals?A

6、.Itcankeepthefoodfreefromchemicals.B.Itcankeeptheair,soilandwaterfreefromchemicals.C.Itcankillharmfulpests.D.Itcanmakethesoilricherinmineral.（2）Whatistheadvantageofusingchemicalfertilizers?A.Leavingchemicalsinthegroundforalongtimeisgoodforwatersupply.B.Theycangetthesoi

7、lexhausted.C.Theycankillhelpfulbacteria.D.Theycankillharmfulpest.5．Whatdoestheword“it”(Line3,Para4)probablyreferto？（nomorethan2words）_____________________________________________________6．Skimthepassageagainandfindthemainidea.cancausemanyproblems,soisbecomingmorepopula

8、r.Step3DiscussingIfyouwanttoplantsomecrops,whatkindoffertilizerwillyouuse?Why?(Grownincleanair;freeofpollution;richin