病人,男性,30岁,因黑色稀便3d入院,3d来,每日解黑色稀便2次,每次约200克,

题型:单项选择题

问题:

病人,男性,30岁,因黑色稀便3d入院,3d来,每日解黑色稀便2次,每次约200克,病前有多年腹上区隐痛史,常有夜间痛、饥饿痛,查:贫血貌,皮肤无黄染,肝脾肋下未触及。入院后为了明确诊断,首先要进行的检查应是下列哪一项

A.X线钡餐检查

B.胃镜检查

C.粪隐血试验

D.选择性动脉造影

E.胃液分析检查

考点:护理正副高消化系统疾病病人的护理消化系统疾病病人的护理10
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In 1998 consumers could purchase virtually anything over the Internet. Books, compact discs, and even stocks were (1) from World Wide Websites that seemed to (2) almost daily a few years earlier, some people had predicted that consuners accustomed to shopping in stores would be (3) to buy things that they could not see or touch (4) . For a growing number of time-starved consumers, however, shopping from their home computer was proving to be a convenient (5) to driving to the store.

A research estimated that in 1998 US consumers could purchase $ 7.3 billion of goods over the Internet, double the 1997 total. Finding a bargain was getting easier, (6) the rise of online auctions and Websites that did comparison shopping on the Internet for the best (7) .

For all the consumer interest, (8) in eyberspaee was still a largely (9) business, however. Internet pioneer Amazon. eom, which began selling books in 1995 and later (10) into recorded music and videos, posted (11) of $ 153.7 million in the third quarter, up from $ 37.9 million in the same period of 1997. Overall, (12) , the company’ s loss widened to $ 45.2 million from $9.6 million, and analysts did not expect the company to turn a profit (13) 2001. (14) the great loss, Amazon. tom had a stock market value of many billions, reflecting investors’ (15) about the future of the industry.

Internet retailing appealed (16) investors because it provided an efficient means for reaching millions of consumers without having the cost of operating (17) stores with their armies of salespeople. Selling online carried its own risks, however, (18) so many companies competing tor consumers’ attention, price competition was (19) and profit (20) thin or nonexistent.

12()

A.consequently

B.though

C.however

D.yet

题型:单项选择题

人的运动是由各种动作组成的,请回答相关问题:

(1)人的动作,是由于____受到 ____传来的刺激而收缩时,牵引骨绕着____活动而产生的。

(2)动作的完成,主要依靠神经系统的调节作用,其调节的基本方式是_  _

题型:单项选择题

不正常滋味要区别()。

A.浓淡鲜爽醇和

B.苦涩粗异

C.酸甜辛辣

D.酸馊霉焦

题型:单项选择题

下列关于室内消火栓的设置说法错误的是()。

A.设有消防给水的建筑物,其各层(无可燃物的设备层除外)均应设置消火栓

B.室内消火栓的布置应保证有1支水枪的充实水柱同时到达室内任何部位

C.消防电梯前室应设室内消火栓

D.单层和多层建筑室内消火栓的间距不应超过30m

E.消火栓应采用同一型号规格

题型:单项选择题

在既有线上提高货物列车重量主要应发展()

A.特种货车

B.大型货车

C.专用货车

D.轻型货车

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