预防猪带绦虫感染的关键是（）
A.粪便管理
B.取消连茅圈
C.肉类检验
D.治疗患者
E.不吃生的或未煮熟的猪肉
参考答案：E
The artist was born poor, _____ poor he remained all his life. [ ]
A. and
B. or
C. but
D. so
嫁接育苗选择砧木应满足哪些条件？
