与心房连接的血管是动脉,与心室连接的血管是静脉.(判断对错)
—Can I park my car in front of the building?
—No, you ___________.
已知函数f(x)=﹣x2+ax+b2﹣b+1,(a,b∈R)对任意实数x都有f(1﹣x)=f(1+x)成立,若当x∈﹣1,1时,f(x)>0恒成立,则b的取值范围是( )