1、madeofcanruohanxing人人教教课课标标版版高高二二选选修修8Unit3ListeningonPage62Mobilephonesarenowanimportantpartofeverydaylife.Therehasbeenafilmmadeabouttheeffecttheycanhaveonyourlife(CellphonedirectedbyFengXiaogang).Readthesequestionsbeforelisteninganddiscusstheminpairs.1.Whatfunctionsarealreadyincludedonamobilephone
2、?2.Whichonesdoyoufinduseful?3.Whatelsedoyouexpectamobilephonetodoforyou?amobilethat“think”amobilethatspendsyourmoneyamobilethatcanteachyouEnglishamobilethatplansyourholidayListentothetapeandtickthedescriptionsyouhaveheard.amobilethatdoesvideotapingamobilethatisacomputeramobilethatwakesyouupamobileth
3、atordersyourfoodListentothetapeagainandanswerthesequestions.1.WhichmobiledoesRuththinkshewillbuyandwhy?Ruthwantstobuythemobilethatturnsitselfonwhenitreceivesimportantcalls.Shemissedthreeyesterdaywhenhermobilewasswitched/turnedoff.2.Whatextraapplicationsdomobileshavenow?Mobilescanvideotapeandactasaco
4、mputernow.3.Whatextraapplicationswilltheyhavewiththe3Gmobiles?Theywillbeabletoplanholidays,bookairtickets,hotelandanappropriateplacetostay.Theywillauthorizepayingforthemtoo.4.WhyisRuthworried?Ruthisworriedbecauseitmightspendhermoney.5.Whatadvantagesdothe3Gmobilesoffer?Theadvantagesarethatithelpspeop
5、lewhoarebusyatworktoordergoodsatthecheapestpriceorbookholidays,airtickets,etc.6.Whatdoyouthinkmightgowrong?Themobilemayspendmoneyunwiselyorspendmorethanapersoncanafford.Youmayforgetthespendingandnotincludeitinyouraccountsoryourpersonalincome.LookattheseChineseinventionsonP68inpairsanddiscusswhatyouk
6、nowaboutthem.Thinkaboutwhattheywereusedforandwhentheywereinvented.Collecttheinformationbydoingsomeresearch.Fillinthechartandpreparetotalkaboutoneoftheinventionstotheclass.Whatwasitspossibleuse?Why?WhenandwherediditappearinEurope?1Anabacusisusedtocalculatemathematicalproblemsincludingequations.Itismo
7、reefficientthanusingthebrainalone.ItwasneverusedintheWest,butitisclosestinfunctiontoamodernpersonalcalculator.Whatwasitspossibleuse?Why?WhenandwherediditappearinEurope?2TheprintingpresswasusedtoprintmessagesfromtheEmperortothepeople.Ithelpedtheefficiencyofgovernment.Gutenburg(1398-1468)begantoprintb
8、ooksonhispressabout1450ADinGermany.Whatwasitspossibleuse?Why?WhenandwherediditappearinEurope?3Thesouthpointerwasusedtofindthemostharmoniouspositiontoplacenewbuildings.ItseemspossiblethatitdatesbacktotheQinDynasty.Itwasthefirstapplicationofmagnetisminpeopleslives.ThenavigationalcompassappearedinEurop
9、einthe12thor13thcenturies.ThisissimilartothetimewhenZhengHeuseditonhisvoyagestoAfrica.YouhavebeenaskedtowriteanentryforanencyclopediaaboutoneofthesethreeChineseinventions.Chooseoneandpreparetowriteyourreport.Youwillincludeaphotographordrawing,butyoumustexplainsomeimportantpointsinyourreport:Writinga
10、descriptionoftheobjectwhatitwasusedforhowitwasusedwhenitwasinventedTheabacuswasoriginallyofwood.Itisarectangularshapewithbeadsstrungonit.Theshapeisunevenlydividedsothattherearemorebeadsinonepartthantheother.Touseanabacusyouneedtotakelessons.ThesmallerpartwithfewerAsampleversion:Beadsrepresentsthehig
11、hernumbersandthelargerpartwithmorebeadsrepresentsthesmallernumbers.Bymanipulatingthesebeadsyoucandoaseriesofdifferentcalculations.AnabacuscanbeusedtoaddfiguresquicklyordoaseriesofcomplicatedMathematicalproblems.Peoplewhoareskilledwithitcanworkasfastasapersonusingamoderncalculator.TheabacuswasingeneralusefromearliesttimesinChina.Itisnotknownwhetheronepersonoragroupofpeopleinventedit.Butitsvalueforcomputationisinvaluable.ItisoneofthefewChineseinventionsthatwasnotadoptedbytheWest.
