不属于老年人合理膳食的是（）。
A.合理营养
B.低盐膳食
C.高脂膳食
D.多样化
E.三餐合理搭配
参考答案：C
You are working on a software development project and there is 60% probability that development will be completed by the planned date and 70% probability that testing will be completed by the planned date．What is the probability that development and testing will be completed as per schedule ？（）
A．65%．
B．42%．
C．66%．
D．63%．
“责权统一、管理有序”原则在城市社区建设中主要指( )的管理。
A．居委会
B．社区内机关、团体、企业事业单位
C．社区医疗机构
D．社区组织
E．社区建设
