Theintelligenceofthedogisamongthehighestofalltheanimals...
問題詳情：Theintelligenceofthedogisamongthehighestofalltheanimals,maybehigherthanwegivehimcreditfor.Althoughhisbrainisonlyhalfaslargeasours,heiscertainlythemostintelligentofdomesticanimals.AscientistinB...