牙槽嵴纤维分布于（）
A.牙体的四周
B.牙体的近远中侧
C.牙体的唇侧
D.牙体的唇舌侧
E.牙体舌侧
参考答案：D
-Do you know __________?
-Sorry, I don't know.[ ]
A. where he was born
B. what city was he born in
C. in what city was he born
导致失眠多梦的原因，可由：（）
A、血不养心，心神浮越
B、痰火抗动心神
C、邪热扰心
D、心阴不足
E、心血虚
