Whatopinionsdidexpertshaveaboutmovementsandtransportationthroughouthistory?Takealook.LordKelvinafamousscient

　　Whatopinionsdidexpertshaveaboutmovementsandtransportationthroughouthistory?

　　Takealook.

　　LordKelvinafamousscientist1800s

　　Opinion:Airplaneswouldneverfly.

　　Washeright?No.OnDecember171903theWrightbrothersmadethefirstcontrolledflightinapoweredairplane.

　　LeeDeforestapioneerinradioTVand

　　Radar1900s

　　Opinion:Nopersonwouldeverreachthemoon.

　　Washeright?No.OnJuly201969Neil

　　Armstrongsteppedontothemoon.

　　JulesVerneSciencefictionwriterinan1870novel

　　Opinion:Peoplewouldbeabletotravelunderwaterinairtightships.

　　Washeright?Yes.Throughsubmarinesalreadyexisteditwouldbedecadesbeforetheycouldstaysubmergedforlong-distancetravel.

　　LeonardodaVinciartistinventor1400s

　　Opinion:Peoplewouldflyinamachinewithanoverheadpropeller.

　　Washeright?Yes.Thisartist’ssketchmadeabout1490showsahelicopter400yearsbeforeitsinvention.

　　1.Whichofthefollowingexpertswasasciencefictionwriter?

　　A.LordKelvin B.LeeDeforest C.LeonardodaVinci D.JulesVerne

　　2.LeonardodaVinci’sopinionwasthat_________.

　　A.airplaneswouldneverfly

　　B.nopersonwouldeverreachthemoon

　　C.peoplewouldflyinamachinewithanoverheadpropeller

　　D.peoplewouldbeabletotravelunderwaterinairtightships

　　3.Howmanyexperts’opinionprovedrightaccordingtothepassage?

　　A.One B.Two C.Three D.Four