【Manyanimalsusesomekindsof“language”.11usesignals(信号)andthesignalshavemeanings.12examplewhenabeehasfoundsomefooditgoesbacktoitshome.Itisdifficultforabee13(tell)theotherbeeswherethefoodisby】

　　  Manyanimalsusesomekindsof“language”.11usesignals(信号)andthesignalshavemeanings.

　　  12examplewhenabeehasfoundsomefooditgoesbacktoitshome.Itisdifficultforabee13(tell)theotherbeeswherethefoodisbyspeakingtothem14itcandoalittledancing.Thisshowsthebeeswherethefoodisand15faritis.

　　  Someanimalsshowhowtheyfeelbymakingsounds.Itisnotdifficulttotellif16dogisangrybecauseitbarks.Birdsmakeseveraldifferentsoundsandeach17(have)itsmeaning.Sometimeswehumansmakesoundsthesameway.Wemakesounds18“oh”toshowhowwefeelaboutsomethingorwhenwedropsomethingonourfeet.

　　  Wehumanshavelanguages.Wehavewords.19(this)wordshavethemeaningofthingsactionsfeelingsorideas.Weareabletogiveeachotherthemessageswhatwethinkorhowwefeel.By20(write)downwordswecanrememberwhathashappenedorsendmessagestopeoplefaraway.

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