第1题: [单项选择]骨折后最易发生骨缺血性坏死的部位是() A. 股骨头 B. 肱骨头 C. 桡骨远端 D. 锁骨远端 E. 胫骨内踝 参考答案:A 答案解析:股骨颈骨折时股骨头的血供受到损害,尤其是股骨颈骨折头下型骨头完全游离在髋臼和关节囊内自由转动,头的血液循环大部中断,即使圆韧带内的小凹动脉存在,也只能供应圆韧带凹周围股骨头的血运,因此此类骨折愈合困难
第2题: [单项选择]消化性溃疡急性期药物治疗首选() A. H2受体拮抗药 B. 质子泵抑制药 C. 铋药 D. 铝镁制药 E. 前列腺素类药物 参考答案:B
第15题: [单项选择]在本节中,你将听到15个对话,每个对话有一个问题。请从[A]、IB]、[C]三个选项中选出答案,并标在试卷的相应位置。每段对话后有15秒钟的停顿,以便回答问题和阅读下一问题及其选项。每段对话读两遍。
下面请听这些对话。What has Steven just finished[A] He has just cleaned his desk.[B] He has just finished dancing with his friend.[C] He has just finished his homework. 参考答案:C 答案解析:[听力原文]
F: Steven, shall we go and dance
M:OK. But wait a minute. I’ve just finished my homework.