在下图列出的等高线地形图中O点的标高是()
A.45.20m
B.45.40m
C.45.60m
D.45.80m
参考答案:A
— David has made great progress recently.
— ____, and ____. [ ]
A. So he has, so you have
B. So he has, so have you
C. So has he, so have you
D. So has he, so you have
正中神经损伤可出现的畸形()
A.“猿手”畸形
B.垂指畸形
C.爪形手
D.垂腕
E.“枪刺刀”畸形