The 18th century saw selective breeding of cattle, sheep and horses by _________.
A.Jethro Tull B.Thomas Coke C.George III D.Robert Bakewell正确答案D
The 18th century saw selective breeding of cattle, sheep and horses by _________.
A.Jethro Tull B.Thomas Coke C.George III D.Robert Bakewell正确答案D