企源知识库

The 18th century saw selective breeding of cattle, sheep and horses by _________.
A、JethroTull
B、Thomas Coke
C、George III
D、Robert Bakewell
【正确答案】：D
【题目解析】：在18世纪，罗伯特·贝克威尔对牛、羊和马进行了选择性繁殖。