Period3VocabularyTeachinggoal教学目标1.Targetlanguage目标语言Words生词mannerslitterpoliteimpolitenecessaryunnecessaryregularirregularhonestdishonestcorrectincorrectcommonuncommonimpossiblepossiblefriendlyunfriendlywelcomeunwelcomeableunable2.Abilitygoals能力目标Learnmoreadjectivesbyaddingtheprefixesdis-,im-,in-,ir-,un-tothem,whichwillexpresstheoppositemeaningsofthewords.3.Learningabilitygoals学能目标HelpSstosortoutandlearnmorewords.Teachingimportantanddifficultpoints教学重难点Usethewordscorrectly.Teachingaids教具准备Projector,cardsandpictures.Teachingproceduresandways教学过程与方法StepIRevisionT:InthelastlessonwereadthepassageZhalong,aspecialplace,andlearnedmuchaboutit.Now,canyoutellmesomethingaboutit?WangFeng,youtry,please.S:Zhalong,aspecialplace,meansZhalongNatureReserve.ItliesinthewestofHeilongjiangprovince.ItisavastexpanseofWetlandintheworld,andtherearerichfishandwildlife.Itisanideallivingareafortherarered-crownedcranes,andotherseabirds.Therearemorethan200kindsofbirdsthere,andespeciallythered-crownedcranesstandout.Thestudyandprotectionofthered-crownedcraneshasbeenverysuccessfulsofar.T:Welldone.Wecouldn’tthinkofZhalongwithoutthered-crownedcranes.YesterdayIaskedyoutousealibraryortheInternettofindoutmoreaboutWorldWetlandsDay.Who’dliketosaysomethingaboutit?S:InordertohelppeopletounderstandtheimportanceofprotectingWetlands,February2ndwasmadeWorldWetlandsDayin1996.Wetlandjustlikewoodsandoceansiscalledecosystemsoftheearth.Wetlandnotonlyprovidesfoodandshelterforwildlife,itbutalsoplaysanimportantpartinkeepingthebalanceofnature.T:Nicework.Todaylet’scometovocabulary.StepIIWordformationThisactivityleadstothenewgrammar–prefix.1.Useanadjectiveanditsoppositetomakeasentenceinclasse.g.Wetlandisacountablenoun,butitisusuallyusedasanuncountablenoun.Write“countable”and“uncountable”ontheblackboard.TellSsaboutthewordformation.Wecanchangethemeaningbyaddingaprefix.Addingtheprefixesdis-,im-,in-,ir-,orun-toanadjectivewillexpresstheoppositemeaningoftheword.2.Let’sthestudentsguesssomemeaningsoftheunderlinedwordsinthesentencesonthescreen.1)Ifyoutellthetruth,youarehonest.Ifyoutellalie,youaredishonest.2)Ifsomeoneshowsgoodmannerstoothers,heisapoliteperson.Ifnot,heisimpolite.3)Hisansweriscorrect,whilemineisincorrect.4)Thenewchairiscomfortabletositin,whiletheoldoneisuncomfortable.5)ItisnecessaryforustogetmoreinformationaboutZhalong,soitisnotunnecessary.6)Itisimportanttotakeactiontoprotectwildlife,soitisnotunimportant.7)Asparrowisacommonbird,buttheredcrownedcraneisanuncommonbird.8)Ifwehaveenoughtime,itwillberegularforustodoabirdcount.Ifnot,itwillbeirregular.WritethepairwordsontheBb.forSstowatchcarefullyandguessthemeaningsofthesentences.StepIIIPracticeLettheSsmatchtheadjectivesonpage80.teacherwritethepairworddownontheBb.able–unablefriendly–unfriendlywelcome–unwelcomeregular–irregularimportant–unimportanthonest–dishonestnecessary–unnecessarypossible–impossiblehappy–unhappypolite–impolitecomfortable–uncomfortablecorrect–incorrectEverymeansistriedtoletSsrememberthewordsandmakesentencesusingthem.ThendoexerciseB.StepIVPairworkThisactiveprovidesoralpracticeandwrittenworkSsworkinpairstothinkoftwosentenceswithanadjectiveanditsopposite.It’simportantandnecessaryforthemtousetheirdictionary.Theyareencouragedtolookthewordsupintheirdictionariesandevenputdownsomeusefulsentences.Comparewhichpairisthemostexcellent.StepVExercise1.查词典，写出下列反义的前缀形容词willing—()fair—()able—()perfect—()certain—()direct—()easy—()natural—()2.形容词填空1)ItisforustolearnEnglishwellinashorttime.(possible/impossible)2)Nowadaysitisquiteforpeopletogoabroadfortheirholidays.(common/uncommon)3)Everyoneknowsthatnobodyis.(perfect/imperfect)4)Itiscleverofyoutostopmakingfriendswiththose__partners.(honest/dishonest)5)Livingalifeisgoodforourhealth.(regular/irregular)StepVISummaryandhomeworkT:Inthisclass,we’vereviewedsomenewwordsoftheunitbydoingexercises.We’vealsolearnedsomerulesofwordformation.Bydoingso,wecanguessthemeaningsofsomewordswithoutlookingthemupinthedictionary.Afterclasslearnthewordsbyheart.Besides,don’tforgettoprepareforthenextperiod.Timeisup!That’sallfortoday.
