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问题 选择题

The 30th Olympic Games, _______ between July 27 and August 12 in 2012, will take place in

London.    [ ]

A. classified        

B. assessed        

C. scheduled          

D. committed

答案

答案：C

多项选择题 案例分析题

患儿，女性，5岁，因"发现心脏杂音2个月余"来入院。患儿在2个月前因"感冒、肺炎"在当地医院治疗，查体发现心脏杂音，未做进一步检查。平素活动可，无紫绀、晕厥史。体重及身高发育较同龄儿童稍差，易感冒。入院体查：体重14kg；心率128次／分，心律整齐。胸骨左缘2～3肋间闻及3／6级吹风样收缩期杂音，肺动脉区第二心音亢进并有固定分裂。唇甲无紫绀。

患儿心电图见下图；超声心动图报告：房间隔下腔侧回声中断约13mm，右下肺静脉引流入右房。

房间隔缺损最常见的合并畸形是（）

A.肺动脉高压

B.肺动脉瓣狭窄

C.三尖瓣反流

D.部分型肺静脉异位引流

E.二尖瓣脱垂

F.室间隔缺损
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单项选择题

For each blank, choose the best answer from the four choices and write down on the answer sheet.
(66) is a six bytes OSI layer 2 address which is burned into every networking device that provides its unique identity for point to point communication.
(67) is a professional organization of individuals in multiple professions which focuses on effort on lower-layer protocols.
(68) functions with two layers of protocols. It can connect networks of different speeds and can be adapted to an environment as it expands.
(69) is the popular LAN developed under the direction of the IEEE 802.5.
(70) is the popular backbone technology for transmitting information at high speed with a high level of fault tolerance which is developed under the direction of ANSI.

A．X.25

B．ATM

C．FDDI

D．SMDS
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