(198、199题共用题干)男性,47岁,腹胀、纳差半年,6小时前突然呕血约1000

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问题:

(198、199题共用题干)男性,47岁,腹胀、纳差半年,6小时前突然呕血约1000ml来急诊,既往HBsAg(+)。查体示P125次/分,BP70/50mmHg,巩膜轻度黄染,肝脾肋下未触及,移动性浊音(+),下肢有可凹性水肿。

引起呕血的最可能病因是

A.胃癌

B.肝硬化

C.消化性溃疡

D.胆囊结石

考点:普通考研西医综合西医综合
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一块圆柱形铁块,底面半径为20cm,高为16cm.若将其锻造成长为20cm,宽为8cm的长方体,则长方体的高为______cm.(π取3.14)

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阅读理解。
CCTV-1 Channel 2
18:00 TV Classroom: Computer
18:30 China Music TV
19:00 News
19:30 Weather Report
19:40 Today's Focus
20:05 40-part Serial (连续剧)
         The Gate of Reign(39)
21:25 Stories on the Map
22:30 China Sports Report
23:00 On the Screen Next Week

CCTV-2 Channel 8
17:30 Foreign Light Music
18:10 Children's Programme: 
         Cartoon City
19:05 World-famous Cities: 
         Toronto
20:55 The Story of Earth
21:30 Economy 30 Minutes
22:00 News in English
22:30 Special Sports: Football
         Match (China-Indonesia)
         
( TV programmes in Beijing Sunday, May 26,2006 CCTV )
1. If an Englishman wants to know about what's happening in China, but he doesn't know any Chinese, he
     may watch TV at _____.
[ ]
A. 19:00 on CCTV-1 Channel 2
B. 20:05 on CCTV-1 Channel 2
C. 22:00 on CCTV-2 Channel 8
D. 21:30 on CCTV-2 Channel 8
2. If you are interested in football games, which of the following programs will you choose first?
[ ]
A. China Sports Report.
B. Special Sports.
C. Today's Focus.
D. China Music TV.
3. If you are going to Guangzhou by plane from Chongqing Airport, you'd better pay attention to the
    programme _____.
[ ]
A. Weather Report
B. World-famous Cities
C. Economy 30 Minutes
D. The Story of Earth
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路面由白色虚线和三角地带标线组成的是什么标线?()

A.道路入口标线

B.可跨越式分道线

C.道路出口减速线

D.道路出口标线

题型:单项选择题

电气原理图的作用主要是用来表达()。

A、主电路

B、辅助电路

C、电器安装位置

题型:单项选择题

在对流段烟道中的烟气温度较低时,()就急剧下降。

(A)传导传热

(B)对流传热

(C)辐射传热

(D)A、B、C均错

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