Unit3ScienceversusnaturePartOneTeachingDesignWordpowerStep1:BrainstormingableagreeappearleadnovelregularrespectPleaseanswerthefollowingquestionsbyaddingsomewordstotheabovewords.1.Youcannotfindyournewpen.Whathappenedtoyourpen?(Itdisappeared.)2.Youwanttogetthebookonthetopshelf,butyouarenottallenough.Doyouthinkyouwillbeabletoreachthebook?(Iamunabletodoso.)3.Thetwogroupsatthemeetingdon’tagreewitheachother.Theyarguedfiercely.Sowhatistheproblembetweenthemcalled?(Disagreed.)4.ManypeoplerespectMrLiandthinkheisagoodman.Hehelpspeopleoutandisagoodcitizenandfriend.SocanyoufindawordtodescribeMrLi?(Respectable.)5.Misshaspublishedseveralbooks.Shelovesherjobwritingnovels.SowhatisMissWang’soccupation?(Sheisanovelist.)6.Youcannotfindtheorderofthenumbersinagroupofnumbers.Socanyoufindawordtodescribetheorderofthenumbers?(Itisirregular.)7.Someadssaythatifyoutaketheirpills,youwillbehealthy,lookyounger,becomesmarterandsleepbetter.Whatcanyousayaboutthiskindofads?(Theyaremisleading.)Doyouknowthemeaningsoftheseprefixesandsuffixes?Canyouthinkofmorewordsthatcanbeaddedwiththeseprefixesandsuffixes.Step2:Prefixesandsuffixes1.Lookpage46.Therearetwotablesaboutprefixesandsuffixesandtheirmeanings.Workinpairsandreadtheexamplestoeachother.Youneedtoexplainthemeaningsofthesamplewordsinyouownwordstoyourpartners.2.Workinpairsandfindmoreexamplestoaddtothetables.Wewillholdacompetitioninfiveminutes.Thepairwiththemostcorrectexampleswins.3.Finishtheexercisesonpage46individually.Youshouldunderstandthepassageandtheexactmeaningsoftheprefixesandsuffixes.Answers(1)illegal(2)disrespect(3)hopeless(4)uncertain(5)understandable4.Youwillbedividedintoseveralgroupsandmakealistofprefixesandsuffixesandmeanwhilegivesomemoreexamples.5.Moreprefixesandsuffixesforyoutoknow:(1)Therearesomeotherprefixeswhichcanbeusedtorepresentoppositemeaningsoftheoriginalwords.de-decomposedeclassifymal-maltreatmentmalnutritionnon-non-smokernon-alcoholicnon-profit(2)TherearesomeotherprefixeswhicharewidelyusedinEnglish.用心爱心专心116号编辑auto-automakerautomobilebi-bilingualbilateraldown-downhilldownstairsdownwardsever-everlastingevergreenevermorehalf-halfwayhalfbakedhalf-payfull-full-colourfull-sizefull-pagehand-hand-madehand-pickedhand-washpost-postgraduatepost-industrialover-overeatoverdueoverworkmid-middaymidlifemidnight(3)Suffixesthatareusedcommonlyareasfollows.-alculturalnationaloriginal-entdifferentdependentexistent-ianCanadianBelgian-likechildlikedreamlikelifelike-proofwaterproofsoundproofbulletproof-enwidensharpenshortenStep3:Organsofthebody1.LookatthepicturesofthemajororgansofthebodyinPartBonpage47.Pronounceeachorgancorrectlyandknowwhattheyeachreferto.2.Trytorevisewhatyouhavelearntaboutthedifferentexpressionsaboutorgans.Onestudentcanactasateacher,pointingtoanypartofhisorherbodyandtherestpronouncetheorgan.3.ReadthepassageinPartBonpage47.Completethepassageindividually.Answers(1)brain(2)heart(3)liver(4)lung(5)stomach(6)kidneys4.CompletePartCinpairsorgroups.Step4:HomeworkReadthearticleinPartAonpage113inWorkbookandthendoPartBonthesamepage用心爱心专心116号编辑