良种肉用牛西门塔尔牛的形体特征是( )。
A. 有白色条斑绒毛
B. 通体绒毛为黑色
C. 体型较短
D. 胸肩部肌肉发达
I ______letters from my daughter since she left.
A. don't receive
B. haven't received
C. didn't receive
Which one do you like ______, this hat or that one
A. better
B. best
C. well
下列内容中,符合牛头加工方法的选项是()。
A. 直接用刀刮去残存的绒毛
B. 直接用火烧燎残存的绒毛
C. 煮制后用刀刮去残存的绒毛
D. 煮制后用镊子拔取残存的绒毛