糖尿病患者胰岛素治疗最主要的不良反应是
A.注射处红肿疼痛B.注射处脂肪萎缩C.发生低血糖D.荨麻疹样皮疹E.过敏性休克
参考答案:C
口腔颌面部特有的肿瘤()
A.腺癌
B.牙源性肿瘤
C.肉瘤
D.涎腺肿瘤
E.鳞状细胞癌
The ______ theory is an important element in Piaget’s theory. The expression was coined to describe "an active organization of past action".