2019-2020年高二英语Unit11 Scientific achievements(I)

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1、2019-2020年高二英语Unit11Scientificachievements(I)教学目标1.Targetlanguage目标语言:LearntheGrammar---Wordformation(I)2.Abilitygoals能力目标:Studythewaysofformingawordandenlargestudents’vocabulary.3.Learningabilitygoals学能目标：Enablestudentstousecontextcluesandwhattheyknowaboutwordpartstoguessthemeaningofnewwords.教学

2、重、难点Thewaysofformingaword.Howtoguessthemeaningofanewword.教、学具1.aprojector2.aputer预习要求Recitethenewwords教师活动内容、方式学生活动内容、方式旁注StepILeadinT:Goodmorningafternoon,class!Ss:Goodmorningafternoon,Mr/Ms…T:Inthisclass,wearegoingtostartUnit11Scientificachievements.Nowpayattentiontothetwowords.Willyoupleasete

3、llmehowthetwowordsareformed?T:Observethemcarefully;canyouexplainhowtheyareformed?T:Excellent!Thatishowthetwowordsareformed.Thebasicpartofanywordistheroot;toit,youcanaddaprefixatthebeginningand/orasuffixattheendtochangethemeaning.Forexample,intheword"unflattering,"therootissimply"flatter,"whileth

4、eprefix"un-"makesthewordnegative,andthesuffix"-ing"changesitfromaverbintoanadjective(specifically,aparticiple).Thisisthegrammarwearegoingtolearninthisclass.(ShowWordFormationonthepowerpoint.)StepIIGrammarAskstudentstoobservethegivenwordscarefullyandfindouthowwordsareformed.T:Howdolearnersimprove

5、theirvocabulary?Therearenosupershortcutstovocabulary,buttherearevariousformsofsupport.Hereisoneexample.Increasingyourvocabularyissoimportantthatyoujustcan'tforgetaboutit.Don'tburyyourheadinthesand.OK..Pleaselookatthefollowingwordsandtellhowtheyareformed.(ShowthefollowingwordsonthePowerPoint.)aff

6、ixinfixprefixsuffixTeacherexplainsthefollowing.T:Whatdothesewords(nouns)haveinmon?Ss:Allofthemcontaintheroot“fix”.T:Well,theydohaveanumberofthingsinmon.Let'ssettleforthemostobvious,the'fix'attheend.Soifwesplitthem,thisiswhatwegetaf+fixin+fixpre+fixsuf+fix(ThesewillbeshownonthePowerPoint)S1“Scien

7、tific”istheadjectiveformof”Science”.S2:“Achievement“isthenounformof“achieve”.S3:”Science”isanoun,ifweadd–fictoit,thenwegetitsadjective.S4:“achieve”isaverb.Ifweadd–menttoit,wegetitsnoun.HerearesomeofthemostmonLatinprefixes(fo