保税区内生产性的基础设施建设项目所需的机器设备可以享受免税进口。 ( )
参考答案：对
Professor Zhang Cunhao and Professor Cheng Kaijia ________China's top science award by Mr President Xi Jinping on 10 January, 2014.
A．presented for
B．honoured with
C．was honoured for
D．were presented with
社会救助社会工作的核心概念是（）。
A.教育救助
B.医疗救助
C.贫困救助
D.灾害救助
