‏被称为家畜育种奠基人的是‎ A: Robert Bakewell B: Georg Mendel C: Thomas Hunt Morgan D: Willam Bateson

第一个证明家畜的质量性状呈孟德尔遗传的科学家是 A: Robert Bakewell B: Georg Mendel C: Thomas Hunt Morgan D: Willam Bateson

The first steam engine was devised by ______ at the end of the 17th century, and the Scottish inventor James Watt modified and improved the design. A: Robert Bakewell B: Thomas Newcomer C: James Watt D: Thomas Coke