A lot of factories are in trouble and not easy to _____ the economic crisis now. [ ]

A. experience

B. survive

C. cross

D. decorate

汉武帝实行“推恩令”，是为了

A．关心诸侯的子弟

B．解除王国对中央的威胁

C．扩大皇室子弟的力量

D．增加国家的税收