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