英语完型五道有选择的手打的UFOisshortfor"unident英语完型五道有选择的手打的UFOisshortfor"unidentifiedflyingobject".UFOsarepopularlyknownasflyingsaucers,()thatisoftenthe()theyarereportedtobe.T

　　英语完型五道有选择的手打的UFOisshortfor"unident

　　英语完型五道有选择的手打的

　　UFOisshortfor"unidentifiedflyingobject".UFOsarepopularlyknownasflyingsaucers,()thatisoftenthe()theyarereportedtobe.The()"flyingsaucers"wereseenin1947byamAmericanpilot,butexpertswhostudiedhisclaimdecidedithadbeenatrickofthelight.

　　Evenpeopleexperiencedatwatchingthesky,()aspilots,reportseeingUFOs.In1978apilotreportedacollectionofUFOsoffthecoastofNewZealand.Atelevision()wentupwiththepilotandfilmedtheUFOs.Scientistsstudyingthisphenomenonlaterdiscoveredthatinthiscaseweresimplylightsonboatsoutfishing.

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