The dichotomy postulated by many between morality and interests, between idealism and realism, is one of the standard clichés of the ongoing debate over international affairs.

A．division into two parts

B．combination of two parts

C．disparity

D．contradiction

防火分隔设施不包括（）。

A.防火墙

B.防火门（窗）

C.喷淋装置

D.防火卷帘