颅前窝骨折最易损伤的颅神经是
A.嗅神经B.面神经C.三叉神经D.外展神经E.滑车神经
参考答案:A
长期使用会造成牙色素沉积的药物牙膏是()
A."全效"牙膏
B.洗必泰牙膏
C.脱敏牙膏
D.氟化亚锡牙膏
E.增白牙膏
How I wish I _______ with my mother yesterday and that she _____ me like a grown-up![ ]
A. didn't quarreled; treats
B. hadn't quarreled; treated
C. wouldn't quarrel; treated
D. shouldn't quarrel; treated