Despite such a difference in _____ towards what one eats, there is no doubt that people in the west regard the

Chinese food as something special. [ ]

A. point

B. idea

C. attitude

D. sight

将药物包封于类脂质双分子层内而形成的微型泡囊是

A．微球
B．pH敏感脂质体
C．磷脂和胆固醇
D．纳米粒
E．前体药物