法律、法规或规章规定的必须检疫的动物疫病（传染病和寄生虫病）称为法定的检疫（）。
A、项目
B、对象
C、标准
参考答案：B
---I’m fed up with studying.
---What nonsense! You’ve only got one year more to do. Then you’ll have your qualification and after that _____________
A．content is better than riches
B．it is not your cup of tea
C．the world is your oyster
D．well begun is half done
以下哪些属于对账手段？（）
A.纸质对账
B.口头对账
C.电子对账
D.电话对账
