M7U2Twolife-savingmedicinesPeriodⅢLanguagepointsinReadingPart1PreviewsheetPreviewplans:1Tomastersomeimportantphrases.2Toknowthesentencestructureofsomesentences.Previewcontents:IImportantphrases1.focuson2.itislikelythat3.bebeneficialtobenefitfrom4.possesssthinpossessionofsth5.distributesthtosb6.havethepotentialto7.reducetheriskof8.carryout9.increasethelengthofpeople’slives10.reducebloodsugarlevels11.increasethestandardofpeople’shealth12.beconsideredtobe/as13.workasamedicine14.inlargequantities15.duetothewidespreaduseofIITrytoanalyzethefollowingsentences.1.Ifyouopenupanymedicinecupboardintheworldorgotoanymedicinecounterintheworld,itislikelythatyouwillfindaspirinandpenicillin.2.Bothofthesemedicineshavesavedmillionsofpeople’slivesandhaveprovedbeneficialtomankindsincetheywereinvented3.Itwasin1897thataEuropeanchemistcalledDr.FelixHoffmannaspirinfromthismedical.4.Thefirsttrialsofthismedicinetookplacein1899,whenthecompanyHoffmannworkedforbegandistributingthemedicineinpowderformtophysicianstousewithpatients.5.Notonlyhasaspirinprovedvitalfroreducingfeverandhelpingstoppain,buttherearealsootherthingsthataspirincanhelpwith.6.Lawrencecraven,adoctorfromtheUSA,introducedtheideain1953thataspirinhadthepotentialtoreducetheriskofheartattacks,becauseithelpedthebloodcirculatebetter.7.In1977,astudycarriedoutintheUSAshowedthataspirincouldpreventstrokes,aswell.8.In1999,aspirinwasover100yearsoldandyettherehavebeenmorediscoveriesonhowitcanhelpincreasethelengthofpeople’slives.9.Ifpenicillinhadnotbeenavailable,manypeoplewouldhavediedfromsicknessorevensmallwounds.10.Penicillinbecamethegreatestdrugofthe20thcentury,savingmanylives.Part2ActivitySheetTeachingaims:1.Tomastersomeimportantphrases.2.Tomastersomesentencestructure.1Teachingprocedures:Activity1LearnthefollowingLanguagepointsaloneandfinishtheexercises.1.itislikelythat……(Page18,Line3)很有可能/有可能Heislikelytocome．＝Itislikelythathewillcome.★It’sprobable/possible/likelythat…★Thereislittle/muchpossibilitythat★It’spossibleforsb.todosth.sb./sth.islikelytodosth.Thereislittlepossibilityofhissuccess/thathewillsucceed.他成功的可能性很小。2.Itwasin1897thataEuropeanchemistcalledDr.FelixHoffmannaspirinfromthismedical.(P18L12)是强调句型，强调的是时间。强调句型的结构为：Itis/was+被强调部分+that/who+…(指人时用that,who均可，指事物或情况用that).这一结构用来强调句子的某一部分，it无词汇意义，只用于构成强调句型。巩固：1.直到她的孩子长大她才得以回去工作。（3种表达方式）____________________________________________________________________________________________________________________________________________________________2.Itisimagination______makestheworldcolourful,fullofvigorandvitality.A．whereB.whatC.thatD.when3.Ijustwonder______thatmakeshimsoexcited.A．whyitdoesB.whathedoesC.whatitisD.howitis4.Itwassometime______werealizedthetruth.A．whenB.untilC.sinceD.before5.–Hegothisfirstbookpublished.Itturnedouttobeabestseller.--Whenwas______?--________wasin2000whenhewasstillincollege.A.that;thisB.this;itC.it;thisD.that;it6.Itisnotwhoisrightbutwhatisright______isofimportance.A.whichB.itC.thatD.this3.(P18L18)Notonlyhasaspirinsaved…buttherearealso…观察下列例句，总结考点：Notonlydoeshewritethewordstothesongs,buthealsocomposesthemusic.Notonlyistheproblemveryimportant,butalsoitisdifficulttosolve.NotonlyIbutalsoheiswrong.NotonlyyoubutalsoIamfondofmusic.归纳...
