解关于x的方程：x2-3x-1=0
由题意得：a=1，b=-3，c=-1，
∴x=-b±b2-4ac2a=3±9+42=3±132．
—Miss Wang’s class is very interesting.
—________. We all like her class very much.
A．That’s for sure
B．I don’t think so
C．Is that OK
D．Here you are
配合型筹资政策和激进型筹资政策的共同特点是，全部临时性流动资产都是由临时性负债来满足的。 ( )
