The boy ______ a small nose. [ ]
A .don't have
B. doesn't have
C. doesn't has
答案:B
下列属于闭合性骨折的是:()
A.耻骨骨折伴膀胱或 * * 破裂
B.尾骨骨折致直肠破裂
C.腰椎压缩骨折伴腹膜后血肿形成
D.刀砍伤致左尺骨骨折
E.枪伤致股骨干骨折
《纲要》强调()是幼儿的基本活动。