以下哪点不是咨询受理中存在的问题造成的影响()
A.降低调查效率;
B.降低调查成功率;
C.提高信贷风险;
D.客户反感
参考答案:D
I have no ________ that he will pass the exam,but I still think there is something about whether he has
really got everything ready.[ ]
A.doubt
B.wonder
C.chance
D.point
已知二次函数f(x)的二次项系数为a,满足不等式f(x)>-2x的解集为(1,3),且方程
f(x)+6a=0有两个相等实根,求f(x)的解析式.