上颌骨的标志点
A.P
B.Ptm
C.Ar
D.Po
E.D
参考答案:B
— ______?
—-B -A -S -E -B -A -L-L. [ ]
A. How do you spell baseball
B. Can you spell baseball
C. What's that
D. Is this a baseball
妊娠禁用的药有
A.番泻叶
B.甘遂
C.牵牛子
D.桃仁
E.三棱