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.

阅读短文，根据要求完成下列任务。

1.WhathasGooglebeendoingintheirsecretresearchlab?

2.把(a)画线句子翻译成英语。

3.在(b)处填人一个恰当的单词：

4.把(c)画线句子翻译成汉语。

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