Pindborg瘤是指
A．牙源性钙化囊肿
B．牙源性纤维瘤
C．牙源性腺样瘤
D．牙源性钙化上皮瘤
E．牙源性鳞状细胞瘤
参考答案：D
A．I= ，从上向下
B．I= ，从上向下
C．I= ，从下向上
D．I= ，从下向上
You may _____ find it hard to get along well with them.
A．certainly
B．likely
C．possibly
D．probably
