患者男，56岁。高血压病史10余年，用力后突发胸骨后及背部撕裂样疼痛2小时。下列检查

发布时间：2017-08-05 21:22 │ 来源：www.tikuol.com

题型：多项选择题共用题干题

问题：

患者男，56岁。高血压病史10余年，用力后突发胸骨后及背部撕裂样疼痛2小时。

下列检查有助于诊断的是（）。

A.心电图

B.心电向量图

C.心脏彩超

D.磁共振

E.胸部X线检查

F.血清心肌酶

G.血常规

考点：山东住院医师急诊科Ⅰ阶段案例分析专项训练案例分析专项训练题库

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2006年2月15日，在对原审计准则修订的基础上，财政部颁发了（）项准则，其中独立审计准则有（）项，并于2007年1月在所有会计师事务所施行。

A.48，41

B.36，31

C.48，42

D.36，32

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当选用灰土作为垫层材料进行换填法施工时，灰土的体积配合比宜选为（）。

A．4：6

B．5：5

C．7：3

D．2：8

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Passage Three

In the world of climate change, it is in the Earth’s Cold regions where trends can most easily be seen. The cryosphere, where water is found in solid form, is among the most sensitive regions to temperature change.
The sensitivity of ice and snow to temperature changes is an early indicator of even relatively small differences, says University of Colorado at Boulder senior researcher Richard Armp. He has found that today’s receding and thinning sea ice, mountain glacier mass losses, decreasing snow extent, melting permafrost (永久冻土), and rising sea level are all consistent with warming.
Global mean temperatures have risen one degree Fahrenheit over the past 100 years, with more than half of the increase occurring in the last 25 years, observes Armp who is affiliated with the National Snow and Ice Data Center headquartered at CU-Boulder.
"As slight as that may seem, it’s enough to make a difference," said Armp. "Now, long-term monitoring of a series of cold region, or cryospheric, parameters (参数) shows that for several decades the amounts of snow and ice around the world have been decreasing. "
The extent of Arctic sea ice is shrinking by about 3 percent per decade, but the trends are not uniform. While recent studies have indicated that the ice thickness also had decreased over several decades, new information shows that the ice may have thinned rapidly, Armp said. Examination of springtime ice thickness in the Arctic Ocean indicates that the mean ice thickness decreased 1.5 meters (4. 8 feet) between the mid-1980s and early 1990s.
To mark its 25^th anniversary, the National Snow and Ice Data Center has organized a special session at the 2001 Fall Meeting of American Geophysical Union, taking place this week in San Francisco, that illuminates overall changes in the cryosphere.
The session begins Tuesday and extends through Thursday afternoon, with 75 contributions from all areas of cryospheric study. Papers and posters include examinations of lake and river ice, glacier dynamics, and mass ice balance studies in polar and continental glaciers, regional and polar snow cover trends, and variations in Canadian ice cap elevations.

The signs of global warming include all of the following EXCEPT ______ .

A．thinning sea ice

B．decreasing snow extent

C．melting permafrost

D．falling sea level

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国内某作家的一篇小说在一家日报上连载两个月，第一个月月末报社支付稿酬3000元，第二个月月末，报社支付稿酬15000元。该作家两个月所获稿酬应缴纳的个人所得税为 ( )。

A．1988元
B．2016元
C．2296元
D．2408元

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轴流式压气机里，在压气机出口端的静子叶片的作用是：（）.

A.防止压气机喘振和消除失速

B.使气流变成轴向流动和消除紊流

C.增加速度和防止气流扭转和涡流

D.减少速度和增加压力并使气流变成轴向流动

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