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1、Unit2BookThreeSectionAIronandtheEffectsofExerciseTeachingObjectivesAfterlearningthisunit,Ssaresupposedtobeableto●understandtheimportanceofironandtheeffectsofexercise.●findoutwaystohaveirondeficienciesandwaystoremedyirondeficiencies.●graspthekeylanguagepointsandgrammaticalstructuresinthetextsinSe
2、ctionAandB.●learntowriteaparagraphofcauseandeffect.●improvetheirreadingskill----distinguishingbetweenfactsandopinions.●conductaseriesofreading,listening,speakingandwritingactivities.TimeAllotment1stand2ndperiod------Pre-readingActivites3rdand4thperiod------While-readingActivites5thand6thperiod--
3、---Post-readingActivitesandSectionB7thand8thperiod------ListeningandSpeakingTeachingContentsI.ImportantPointsA.Keywordsandphrases:SectionA:moderate,consume,respectively,restrict,sufficient,indicate,advisable,modify,derive,interfere,remedy,takein,tipovertheedge,throwup,sumup,SectionB:succession,i
4、mply,proposal,inference,corresponding,speculate,neglect,revise,tackle,alike,comment,beneficial,incontrast,applyto,engageoneselfin,focuson,pointtoB.KeySentencePatterns1) Beardandotherexpertssayit’sadvisableforpeopleinthesegroupstohaveayearlybloodtesttocheckbloodironreserves.2)Ifyoupayattentionto
5、warningsignsbeforeironreservesaregone,youcanremedythedeficiencybeforeitreallybecomesaproblem.II.DifficultPoints1.Irondeficiencyisverycommonamongwomen,affectingoneinfourfemaleteenagersandoneinfivewomenaged18to45,respectively.现在分词短语作状语,使用该结构时，应注意：1）分词的逻辑主语应与句子主语一致。2）分词有时也可有自己独立的逻辑主语，这时分词的逻辑主语与句子的主
6、语不一致，这种结构称为独立结构。3）现在分词在意思上与逻辑主语是主动关系，而过去分词与逻辑主语则为被动关系。2.Theironcontentoftomatosaucecookedinanironpotforthreehoursshowedastrikingincrease,thelevelgoingupnearly30times.独立结构的形式有：1）名词（或主格代词）+动词的非谓语形式；2）名词（或主格代词）+形容词；3）名词（或主格代词）+介词短语；4）名词（或主格代词）+副词；5）名词（或主格代词）+名词；6）用with引导的独立结构；7）用without,like,on引导的独
7、立结构。独立结构在句中可作状语、定语或主语。TeachingProceduresI.Pre-readingActivitiesA.Warm-upactivitiesa)Workinpairstodiscussthefollowingquestionstolearnaboutthestudents’understandingofirondeficiency1)Doyoulikesports?2)Whatdoyouusuallyeatordrink
