We won't go to the Summer Palace if ______.
A. it rains
B. it will rain
C. it is raining
—May I speak to Hobb—Hobb speaking.
A. I am
B. I
C. This is
男,20岁,左膝内上方无痛性硬性肿块1个月,X线片示左股骨内上缘有一白干骺端突出的骨性突起,无骨膜反应,诊断最大的可能是
A. 内生软骨瘤
B. 股骨下端骨肉瘤
C. 股骨下端尤文肉瘤
D. 骨软骨瘤
利多卡因用于表面麻醉时,成人1次限量为
A. 100mg
B. 200mg
C. 300mg
D. 400mg