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Whatopinionsdidexpertshaveaboutmovementsandtransportationthroughouthistory?Takealook.LordKelvinafamousscient
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问题描述:

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

李杨回答:
  1D 2B 3B
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