— ____ his his sister____ drawing pictures?
已知函数fx=ax3+bx2+cx+d的图像如图所示,则b+1a+2的取值范围是( )
请结合所学知识,回答下列问题。(把选项的序号写在横线上即可)
A.山顶洞人的项链
B.龙虎堆塑
C.雷公公、电婆婆
D.大型祭坛、神庙