饲料中核蛋白和嘌昤碱太多常常引起()
A.蛋鸡脂肪肝综合征
B.禽痛风
C.鸡肝肾综合征
D.奶牛肥胖综合征
E.奶牛酮病
参考答案:B
一种商品打八五折销售,“八五折”表示现价是原价的______%.比原价便宜了______%.
If we ___ the other road ,we might have arrived here in time for the meeting.
A.take
B.had taken
C.took
D.have taken