单一制国家结构形式的主要特点是 ( )
A.一个中央政府
B.一个行政区域
C.一个政党
D.一个地方政府
答案:A
— Do you know the man came here yesterday?
— Yes, he brought me the most interesting book I had wanted to buy.
A.who; what
B.whom; which
C.who; that
D.whom; that
男,33岁,饮酒后上腹剧痛、呕吐,体检:脉搏120/min,血压80/60mmHg。巩膜黄染,全腹压痛和反跳痛,肠鸣音消失,血白细胞16×109/L,中性粒细胞0.89,血淀粉酶320U/L,血钙1.63mmol/L。最可能的诊断是()
A.胃溃疡穿孔
B.急性胆囊炎穿孔
C.肠梗阻
D.急性水肿型胰腺炎
E.急性出血坏死型胰腺炎