unit 3 science versus nature 导学案 2

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1、Unit3Scienceversusnature导学案2学习目标:1.语言目标anti-，dis-，in-，im-，pre-，pro-，re-，un-，-able，-ful，-ist，-less，-ment，-ness，brain，lung，liver，heart，stomach，kidney.2.能力目标Understandthemeaningsofsomeprefixesandsuffixesandlearntheorgansofhumanbody3.学能目标Learnhowtoguessthemeaningsofwordsbylookingattheirprefi

2、xesandsuffixes.学习重点:Learnwordformationwithprefixesandsuffixes.学习难点:Howtousetheseprefixesandsuffixes.自主预习:I.Prefixesandsuffixes  appear，     novel，      regular，      respect Wearegoingtohavesomequestions.Pleaseusethesewordstohelpyou，butyouneedtoaddsomeletterstothewordsfirst.1)     Youcan

3、notfindyournewpen.Whathappenedtoyourpen？2)     ManypeoplerespectMr.Liandthinkheisagoodman.Hehelpspeopleoutandisagoodcitizenandfriend.SocanyoufindawordtodescribeMr.Li？3)     MissWanghaspublishedseveralbooks.Shelovesherjobwritingnovels.SowhatisMissWang’soccupation(职业)？4)     Someadssaythat

4、ifyoutaketheirpills，youwillbehealthy，lookyounger，becomesmarter andsleepbetter.Whatcanyousayaboutthiskindofads？independence↙  ↓   ↘prefix(前缀) root(词根) suffix(后缀)Prefix:agroupoflettersthatisaddedto__________ofaword_______________.Suffix:aletteroragroupoflettersaddedto_______ofaword________

5、___________.Attention: Usuallyaprefixwillchangethemeaningofword，whileasuffixwillchangethepartofspeechofaword.Sometimesyoucanguesswhatawordmeansbylookingatitsprefixorsuffix.Lookattheexamplesandworkoutthemeanings.CompletewhatanenvironmentalistissayingonPage46.Competition: Canyouthinkofmore

6、wordsthatcanbeaddedwiththeseprefixesandsuffixes？anti-                                    dis-in-                                      im-pre-                                     pro-re-                                      un--able                                    -ful-ist             

7、                        -less-ment                                   -nessII.OrgansofthebodyReadthepassageinPartBonpage47.Completethepassageindividually.知识要点:1.similar:   adj.   lookingorbeingalmost，butnotexactly，thesame: 我买了一些新鞋和我以前的一双相似. 短语：besimilar to…和…相似    besimila