下列动物中对口蹄疫都易感的是（）。
A、羊、兔、狗
B、牛、猪、羊
C、猪、牛、马
D、马、驴、牛
参考答案：B
His uncle died and ________ him a lot of money, with which he bought an expensive car.
A．left
B．had
C．gave
D．put
企业选择经营单位战略是要考虑哪些因素？
