Hospital staff burst into cheers after doctors completed a 20-hours operation to have _____ one-year-old

twins at the head. [ ]

A. isolated

B. separated

C. divided

D. removed

把实现人生价值的可能性转变为现实性的唯一途径是( )。

A．靠个人努力奋斗

B．到社会实践中去

C．靠集体的努力

D．靠国家的帮助