在开展社区康复护理服务时，应以哪类人员为骨干
A．病人
B．伤残者
C．家属
D．社区护士
E．全科医生
参考答案：D
It__________details about pricing for the 2012 London Olympics will be available．
A．isn’t until later this year that
B．is until later this year
C．is until later this year that
D．not until later this year is that
水泥体积安定性不良，指水泥在硬化过程中体积不发生变化。( )
is year that