对开发我国东北地区做出贡献的少数民族首领是[ ]
A．大祚荣
B．皮罗阁
C．元昊
D．骨力裴罗
答案：A
(2013·咸阳二模)The murderer, together with his two brothers, ________ sentenced to death just now.
A．was
B．were
C．is
D．are
设计大纲应在( )阶段编制，以确定设计质量要求和标准。
A．初步设计
B．设计准备
C．技术设计
D．施工图设计
