骨度法中内辅骨下廉至内踝尖为______寸；膝中至外踝尖为______寸；髀枢至膝中为______寸。
参考答案：3 16 19
— Look! Mr Hu is on the other side of the stree.
— It ______ be him. He has gone to England. [ ]
A. mustn't
B. can't
C. shouldn't
D. won't
哺乳期妇女首选的避孕方法为（）
A.皮下埋植剂
B.宫内节育器
C.长效避孕药
D.安全期避孕法
E.阴茎套
