代理的种类有( )。
A．法定代理
B．指定代理
C．越权代理
D．委托代理
E．无权代理
参考答案：A,B,E
It is reported that the United States uses energy as the whole of Europe.
A．as twice
B．twice much
C．twice much as much
D．twice as much
脂质体的质量评价项目不包括（）
A.形态与粒径及其粒径分布
B.包封率
C.颗粒细度检查
D.渗漏率
E.有机溶剂残留量
