Your ideas are very interesting, but we need _______ suggestions to get us out of the mess.

A．impressive

B．similar

C．practical

D．traditional

患者65456缺失，为使77具有Ⅰ型导线，在确定义齿就位道时，应将模型（）

A.平放

B.向前倾斜

C.向后倾斜

D.向左倾斜

E.向右倾斜