与全冠咬合面形态设计无关的因素是()
A.固位因素
B.抗力因素
C.牙周情况
D.邻牙面形态
E.对颌牙面形态
参考答案:D
上午9时整,时针和分针所组成的角是______角.
—Don’t have your mobile phone on when you are in the library.
— __________.
A.No, I will
B.sorry, I won’t
C.Yes, I will
D.Yes, I won’t