________ your friend like English? [ ]
A. Does
B. Do
C. Is
D. Has
答案:A
良性骨肿瘤的特征为()
A.生长慢有症状强肌力等
B.生长慢无症状
C.生长慢有疼痛
D.生长快无症状
E.生长快有症状
(以下5题共用备选答案)
股骨骨折
A.纤维素样血栓B.氮气栓塞C.羊水栓塞D.脂肪栓塞E.混合栓塞