Weallknowawagging(摇摆的)tailmeansthedogisfriendly.__36__Howeveradogwaggingitstailalsomaybescaredorreadyforafight.Herearesometipsonhowtounderstandadog’sbodylanguage.Whenyouseeadogwhose

　　Weallknowawagging(摇摆的)tailmeansthedogisfriendly. __36__ Howeveradogwaggingitstailalsomaybescaredorreadyforafight.Herearesometipsonhowtounderstandadog’sbodylanguage.

　　Whenyouseeadogwhosetailiswaggingwideandfastthemessageisalmostalways“Gladtoseeyou!”Ontheotherhandadogholdingitstailhorizontally(水平地)wantstoknowmoreaboutyou.Itmightnotbereadytowelcomeyou. __37__ Itisstilldecidingwhetheryouareafriendornot.Thesameistrueofadogwhosetailiswaggingslowly.

　　Whenadoghearsorseessomethingneworexcitingitsearswillgouporforward. __38__ Itsearscanalsobepointedindifferentdirectionsallowingthedogtoquicklyfigureoutwhereasoundiscomingfrom.

　　Watchyourdog’sfacialexpressiontolearnmoreabouthowitisfeeling.Youmightevencatchitsmiling.__39__ Dogsprobablysmileforthesamereasonwedo.Theywantotherstoknowtheydon’tmeananyharm.

　　Bodylanguageisonething.__40__Theyarefullofmeaningfulmessagesfordogowners.

　　A.Butit’snotgoingtochallengeyoueither.

　　B.Adogusesitsentirebodytoshowmessages.

　　C.Adogthatiswaggingitstailmightbehappy.

　　D.Adog’sbarksandothernoisesarequiteanother.

　　E.Itisn’treallyhardtounderstandwhatyourdogistryingtosay.

　　F.Whenitsmilesitpullsthecornersofitsmouthbacktoshowtheteeth.

　　G.Itshearingisverygoodanditoftenknowsabouttheapproachofaperson.