Theintelligenceofthedogisamongthehighestofalltheanimals...
问题详情:Theintelligenceofthedogisamongthehighestofalltheanimals,maybehigherthanwegivehimcreditfor.Althoughhisbrainisonlyhalfaslargeasours,heiscertainlythemostintelligentofdomesticanimals.AscientistinB...