我国国有企业下岗职工基本生活保障体系建设的主要内容是( )。

A．为下岗职工办理商业保险

B．为下岗职工提供社会救济

C．建立和完善三条保障线

D．确保企业离退休人员的养老金发放

34．Whether age is happy or unpleasant depends less on money or on health than______ on your ability to have fun.

A．it is

B．it does

C．it did

D．it was