物权的权利主体是特定的，而义务主体则是不特定的。( )
参考答案：对
You will see the products of Liu Ling alcohol________on every avenue of Baoding city.
A． advertise
B． advertising
C． advertised
D． having advertised
脂类包括哪两大类( )。
A．甘油三酯
B．类脂
C．磷脂
D．固醇
E．固醇酯
