国际交流英语视听说B3U8听力原文.ppt

RadioHost:y-’myourhost,NancyMorales,andwe’,,:Goodmorning,:,yourresearchareaisthehumanfearresponse,ormorespecifically,thequestionofwhetherwelearntobeafraidofcertainthings,>>>Listening1Guest:That’sright,Nancy,andwe’retalkingaboutourdistant,distantancestors—peoplewholivedalongtimeago—,reactingquicklytosomethinglikea,,morelikelytolivelongenoughtohavechildren,:OK,butpeopletodaydon’,whatdoesthefearresponsedoforus?Tobecontinued>>>Listening1Guest:Well,’redrivingacar,’saseriesofeventsthattakesplaceinourbrainsthatmakesourbodiesreact—inthiscase,byputtingourfootonthebrakes—:?Guest:Yes,,right?Sothey—theresearchers—>>>Listening1RadioHost:Andwerethelabmonkeysafraidofthesnakes?Guest:Notatall,atleast—,:Sotheylearnedthefearfromthewildmonkeys,:That’sright,buthere’