下列不属于盐碱湿地的生态恢复与重建的工程措施的是（）
A.现有排水系统的疏通
B.排灌系统的配套
C.节水灌溉
D.弃旧立新
参考答案：D
哪些不属于人的社会本性？（）
A、性欲
B、恩爱心
C、食欲
D、同情心
He______the leader of the Model Group in our factory.
A．has just been appointed B．has just appointed C．just appointed D．has just being appointed
