维持公鸡具有发达的鸡冠和鲜艳的羽毛的物质属于[ ]
A.核酸
B.蛋白质
C.脂质
D.糖类
答案:C
In ________, Shakespeare has not only made a profound analysis of the social crisis in which the evils can be seen everywhere, but also criticized the bourgeois egoism.
A.Hamlet
B.Othello
C.King Lear
D.Macbeth
男,46岁。自发性或运动后心慌、出汗、饥饿伴精神症状8个月,严重时曾发生昏迷,进糖水后清醒,发作时血糖1.8~2.2mmol/L。身高172cm,体重91kg。
发生该情况最可能的原因是()
A.自主神经功能紊乱
B.1型糖尿病
C.2型糖尿病
D.胰岛素瘤
E.反应性低血糖