下学期thelanguageofhoneybee高三英语课件
日期：2010-12-28 12:11
whichwastodiscoverwhetherthewaggingdanceshoweddirection5HefoundthatthestraightpartofthedancewasdifferentinthemorningfromwhatithadbeenintheafternoonFT6Ifthefeedingplacewastowardthesun，thefasterthedancewas3ThenumberofwaggingdancesperminutetoldthedistancetothefeedingplaceTFT4ThenProfessorVonFrischdidhisthirdexperiment，theslowerthewaggingdancewas;thedirectionofthewaggingdancetellsthedirectionofthefeedingplaceTrueorfalsestatementsVonFrischandhisco-workerscountedhowmanytimesthebeesrepeatedthewaggingdanceduringoneminute2Theydiscoveredthatthefartherawaythefeedingstationwas，Readthetextfasttofindtheanswertothisquestion:WhatelsedidVonFrischnoticeaboutthewaggingdance?Thefartherawaythefeedingstationwas，thedistanceheadedstraightdownwardduringthestraightpartofthewaggingdance7TheexperimentofProfessorKarlVonFrischtellsusthatbeescananddocommunicatewitheach，
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