The old man _____ like loud talking.[ ]
A. isn't
B. can't
C. don't
D. doesn't
答案:D
中纬度与低纬度,中纬度与高纬度的分界纬线是()
A.0°和30°纬线
B.30°和60°纬线
C.0°和60°纬线
D.60°和30°纬线
一患者,黄疸深,恶心呕吐重,肝脏小,伴昏迷、抽搐,有明显"胆酶分离"现象,应考虑的疾病是()
A.急性病毒性肝炎
B.肝硬化
C.胰头癌
D.急性重症肝炎
E.肝癌