【It'scommontocarrythingsonbikestrainsandevenplanes.Butdoyouknowsmalldrones(无人机)canhelpcarrypackagestoyourhome?FortwoyearsGooglehasbeenworkinghardintheirsecretresearchlab.Theirlatestprojectis】

  It'scommontocarrythingsonbikestrainsandevenplanes.Butdoyouknowsmalldrones(无人机)canhelpcarrypackagestoyourhome?

  FortwoyearsGooglehasbeenworkinghardintheirsecretresearchlab.TheirlatestprojectiscalledProjectWing.

  ProjectWingisGoogle'sinventionofadronedeliveryservice.Itishalfplaneandhalfhelicopterandisslightlybiggerthanaseagull.Itcandeliverpackagestobuyersbydronetodoor.

  ThefirstdronetestwasmadeonafarminWarwickAustralia.Itsentsweetsanddogtreatstoafarmer.Thedroneflewtothefarmhovered(盘旋)，andreleasedthepackagewithawire.Deliveryishere!

  Thebestthingaboutdronedeliveryservicesisthatdeliverytimeswillbegreatlycutdown(a)你可以上午在网上订购你喜欢的东西。Andbynoontimethedeliverydronewilllandyourpackage.

  ThroughouthistorytherehavebeenaseriesofinventionsthathavehelpedpeoplemovethingsaroundsaidAstroTellerleadscientistofGoogleWingtoCNN.TellerthinksGoogledroneswillbethenextbigstepintheseries.

  Interestinglydronesarenotthat(b)____.

TheUShasbeenusingarmeddronessince2002.Butdronesmayalsogetanotheruse.Filmcompanieshaveaskedtousedronestoshootvideosfromthesky.

  (c)YetGoogle'sdeliverydroneswon’tbeabletoflytocustomersanytimesoon.HoweverGooglehasprovedthatdronedeliveryispossible.AndwithAmazonannouncingtheirdronedeliveryservicelastyeartheheatisontomakesafeandsuitabledronestoflytheskiesforcustomers.

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1.WhathasGooglebeendoingintheirsecretresearchlab?

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