Module2DNA-theSecretofLifePartOne:TeachingDesign第一部分:教学设计Period2:GrammarandusageStep1:Generalintroduction1.Revisionofthe,this,now,was/were,it,andmuchWarmingupWarmingupbyreading,turntopages19---22,anddotheexercises.1)Matchthesentenceswiththeexplanations.2)Readthepassagesagainandfindtheuseofthe,this,was/were,it,much,andnow.Summaryabouttheuseofthe,this,now,was/were,muchandit.1.Weusethe1)tonamesomethingintheworldaroundus,oritsclimate,orothernaturalthingsthatinfluenceourlives.thesea,thesky,themountains,thefuture.2)torefertosomethingofwhichthereisonlyoneinyourenvironment,orinthewholeworld..thesun,theearth,thePacificOcean3)torefertosomethingwehavementionedbefore.Hehasmadeanimportantdiscoveryaboutgenetics.Thediscoveryhasgreatlyinfluencedourlives.4)torefertonationalities.TheChinesehavewonthegame.5)tosaywhichpersonorthingwemean.Thisisthestudentthatyouarelookingfor.6)totalkaboutallthepeoplewhohavethesamecharacteristics.Thepoorwillnotbeabletoaffordthisoperation.7)tomakeitclearthatthepersonreferredtois“thewell-knownone”.That’sMr.Wang,thefamousscientist.8)tomakegeneralstatements,usingonethingorpersonoranexampleofitsgroup.Thehorseisausefulanimal.9)whenitisclearfromthesituationwhichonewemean.用心爱心专心116号编辑Pleasegivemethebookonthedesk.10)totalkaboutapersonorthingthathasmoreofaqualitythanothersofthattype.Heisthetalleststudentinourclass.11)withwordsthatsaythatsomethingisspecial.thefirst,thelast,thesame,theonly.12)tosayhowonethingchangeswhenanotherthingchanges.ThemorewelearnEnglish,themorewelikeit.2.Weusethis1)toreferforwardtosomethingyouaregoingtomention.Listentothis:“IamgoingtoBeijingtomorrow.”2)torefertopeoplewhenyouareidentifyingorintroducingthem.IsthisTominthephoto?3)torefertotheplaceorsituationyouareinnow.ThisisthefirsttimeIhavebeenhere.4)withatime-expression.thisyear,thisevening.5)torefertothingsnearyou.Thisarticleaboutthemoonisveryinteresting.6)toreferbacktosomethingwhichhasbeenmentioned.Nowwearegoingtochangecropsinawaywehaveneverdonebefore.Thisiscalledgeneticengineering.3.Weusenow1)whenyouwanttogetpeople’sattention,orwhenyouaregoingtotalkaboutsomethingnew,Now,shallwebeginthemeeting?2)tosayhowanewsituationmeanssomethingcanhappen.Nowthatweareallhere,Let’sbeginthework.3)withcertainprepositions.bynow,beforenow,untilnow,uptonow.4)toemphasizetheperiodsincesomethinghappened.I’vetaughtinthisschoolforfiveyears.5)totalkaboutsituationthatstartedinthepastandstillcontinues.IthasbeenayearnowsinceIcamehere.6)totalkaboutapresentsituationthatisdifferentfromapastsituation.用心爱心专心116号编辑NowIknowmoreaboutyou.4.Weusewas/were1)Torefertosomethingthathappened,withoutneedingtosaywhoorwhatcausedit.ZhaoFanwasonly12whenheenteredcollege.2)torefertosomethingthatwasinthemiddleofhappeningatsometimeinthepast.Theywerestudyingwhentheteachercamein.3)torefertosomeone’sbirth.IfIwereyouIwouldstudyhard.4)togiveadvice.IfIwereyouIwouldstudyhard.5)togivemoreinformationaboutthesubject,suchaswho,what,where,when,how,howold.MyfatherdiedwhenIwas13.6)torefertopossibleorimaginarysituation.IfIwereamillionaire,Iwouldgiveyoualot.5.Weuseitwhenweareinthefollowingsituations.1)Itisusedwithseam,appear,looks(asif).Itlooksasifitwasgoingtorain.2)Itis/was+said/knownetcthat….Itissaidthatourteamhaswonthematch.3)Itisusedtorefertoweather,date,timeordistance.Itis5000kilometersfrommyhometown.4)It+verb+that=expresses...
