基金管理公司通过证券公司销售基金是一种直销的销售方式。( )
参考答案：错
The patient was in bad need of operation but there was no guarantee(保证) that she would survive the anaesthetic (麻醉剂), which made the doctors on the horn of a __________.
A．process
B．arrangement
C．ceremony
D．dilemma
行政行为在主体上、权限上、内容上或者程序上存在缺陷，该行政行为属于（）。
A.有效行政行为
B.无效行政行为
C.可撤销行政行为
D.必须撤销行政行为
