向上延伸策略
参考答案：
向上延伸策略，指企业将低档定位的产品线向上延伸，增加高档产品项目。
Five doctors and ten nurses, ______ the rescuing team, were sent to the earthquake stricken area this
morning.[ ]
A．made up of
B．made up
C．making up
D．making up of
膝关节浮髌试验阳性可见于
A．骨关节炎
B．膝关节结核
C．化脓性膝关节炎
D．髌骨骨折
