The controls of most modern airplanes can be operated either manually or automatically.
A、bythebookD
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EllaGrasso,electedgovernorofConnecticutin1974,supportedtheenactment(given,granted)ofafreedom-of-informationlaw.
ThefuturesurvivalofthebaldeagleisstillanimportantAmericanecologicalconcern.
Batsfly,ratherthanglide,andthusaretheonlymammalscapableoftrueflight.
Whencarbonisaddedtoironintheproperproportions,theresultissteel.
Communicationisoneofthemostimportantbondsthatholdculturalsystemstogether.
