英语阅读题
In1947,anAmericanpilotsaidthatwhenhewasflyingintheskyhehadseenninestrangethings.Theylookedlikesaucer.Then（n1)reportedhisstory.Afterthat,morepeopleallovertheworldsaidtheyhadseen.strangethings.Butpeoplecouldnotdecideonwhatthethingswereorwheretheycamefrom.Sothey(c2)themUFOs(不明飞行物).
In1973,twofishermensaidthattheywhentheywere(f3)byarivertheyhadseenaUFO.Itlookedlikeanegg.Therewasthreefigureslikemeninit.Theyhadnoeyesandtheirmouthwerelongandnarrow.Theirnosesandearswere(s4)too.
Perhapssomepeoplemakeamistake,butpilotandastronautdonotusuallymakemistakesofthiskind.CaptainEDMitchell,thesixthmentowalk(o5)theMoon,saidin1974thathehadseensomeflyingsaucers.HesaidthoseflyingthingswereperhapsvisitingtheEarthfromotherworldsinspace.
TherearemanystoriesaboutUFOs.However,(n6)knowswhethertheyaretrueornot.