招标人应依法根据()确定招标方式和组织形式。
A.项目特点和资金来源方式
B.项目特点和实际需要
C.资金来源方式和实际需要
D.资金来源方式和项目审批制度
参考答案:B
下列一元二次方程中没有实数根是 [ ]
A.x2+3x+4=0
B.x2-4x+4=0
C.x2-2x-5=0
D.x2+2x-4=0
_____ his accent , he is from the south of China.
A.Judged by
B.Judged from
C.To be judged by
D.Judging from