SolarenergyHowdotheychangeourlife?•Cloning•TheInternet•Aeroplanes•Radioandtelevision•Nuclearscience•Solarenergy•Electricity•Cars•TheTheoryofGravityHowdotheychangeourlife?•Cloning•TheInternet•Aeroplanes•Radioandtelevision•Nuclearscience•Solarenergy•Electricity•Cars•TheTheoryofGravityClone:Advantages:canhelpsomewomenhavebabies;canhelpmedicalresearchcanhelpuskeeplotsofpreciouslivingthingsDisadvantages:notnaturaltomakepeopledangerouspeopleuseittodostrangethingsDotheseachievementshaveanythingincommon?Ifso,what?•Theyhaveagreateffectonpeople’slife.•Theychangethelifestyleandmakethehumansocietymoveonandbecomemorecomfortable.HewasbornonAugust5,1930inWapakoneta,OhioAsArmstrongbecamethefirstpersontosetfootonthemoon,hespoketheunforgettablephrase,That'sonesmallstepforman;onegiantleapformankind.NeilArmstrongAlexanderGBell1847-1922Apioneerinthefieldoftelecommunications,Bellhadbeeninterestedintheeducationofdeafpeople.Thisinterestleadhimtoinventthemicrophoneand,in1876,hiselectricalspeechmachine,whichwenowcallatelephone.By1878,BellhadsetupthefirsttelephoneexchangeinNewHaven.By1884,longdistanceconnectionsweremadebetweenBostonandNewYorkCity.Ray,Tomlinson(born1941):RayTomlinsoncreatedoneofthebiggestcommunicationsphenomenaalmostbyaccident---e-mail.Hechosethe'@'symboltomarkthedifferencebetweenamessagethatneededtogotoamailboxonthelocalcomputerandonethatwasheadedoutontothenetworkHeisthemanwhofirstinventedthebulb.EdisonPart1WordsSpeakerAchievement“That’sonesmallstepforaman,onegiantleapformankind.”NeilArmstrong“Mr.Watson,____________;Iwantyou.”AlexanderGrahamBell“QWERTYUIOP”RayTomlinsonFirstmantosetfootonthemoonFirsttelephonecallFirste-mailmessagecomehereQWSEAZXDCVBNGFMKJHRPOIUYTLQWERTYUIOPPart21.Thewords“_________________”arefamousbecausetheyarethe_____________ofTheConstitutionoftheUnitedStatesofAmerica.2.Eurekaisawordfromthe______languageandmeans_____________________.3.Ifyouaskafather,hemightsay:“________”.Ifyouaskamother,shemightsay:“_______”.We,thepeoplefirstwordsGreekIhavefounditDaddyMommy1.S_______energyisimportantforustoday.2.Heisasuccessasabusinessmanbutaf________asahusband.3.Theb_______________hemaderecentlyinhisscientificresearchgivegreatcontributionstosociety.4.Nothingcouldstopmefroma___________myaim5.Speechisthemaindifferencebetweenm_________andanimals.6.AccordingtotheAmericanC____________,presidentialelectionsareheldeveryfouryears.chievingankindonstitutionolarailurereakthroughs1.Look!Thedarkcloudsaregatheringinthesky.It’sl________torain.2.Children’slettersaretheirp________propertyandtheirparentscan’treadthemwithoutbeingpermitted.3.Thoughhewassuccessfulinmanyways,hewasaf________asawriter.4.Theyg________thethieffirmlybythearmandsenthimtothepolicestation.5.Thea_____________ofthefurnitureinournewhousetookalongtime.6.Pleasea_________anappointmentformewiththemanager.ikelyrivateailureraspedrrangementrrange1.Wemustr_____onourowneffortstosucceed.2.Myyoungersistera______atbecomingagooddoctorinthefuture.3.Iboughtasecond-handcarbecauseofe_______reasons.4.Itisimportantforustom_______theusageofmostofverbsinEnglish.5.Itisnormalforustomakesomemistakes,fornoneofusarep________.6.Theheartisoneofthebody’simportanto_______.7.Scientistshavemadeabreakthroughintheirtreatmentofthatdisease.8.Thegovernmenta_________thatthedangerofSARSwaspast.elyimsconomicastererfectrgansnnounced1.优化Ex1(forwarming-upandlistening)2.PreviewthenewtextanddoEx1onP43.MasterthenewwordsTheInternet:Advantages:EasiertokeepanduseinformationMakecommunicationfasterDisadvantages:UnsafebecauseofvirusesDifficulttocontrolwhensth.goeswrongSpaceflights:Advantages:MakesresearchouterspacepossiblePutcommunicationsatellitesinspaceDisadvantages:ExpensiveanddangerousIfsth.goeswrongitisdifficulttohelpandrescuepeoplenuclearscience:Becauseithasbroughtusthenewestenergyresources.solarenergy:becauseitdoesn’tcauseanypollution.electricity:Becausemodernindustrycoulddonothingwithoutit