单项选择题

患者，女，35岁。患类风湿关节炎5年，加重3个月。主诉全身多个关节对称性肿痛，晨僵2小时，行走不便。体检：双手近端指关节肿大畸形，双踝、双膝关节肿胀，双膝有积水，下蹲困难。 类风湿关节炎最常侵犯的关节是

A.肘关节
B.四肢小关节
C.髋关节
D.肩关节
E.膝关节
<上一题 目录 下一题>
热门 试题

未分类题
'Humans should not to try to avoid stress any more than they would shun food, love or exercise', said Dr. Hans Selye, the first physician to document the effects of stress on the body. While here is the question that continuous stress is harmful, several studies suggest that challenging situations in which you're able to rise to the occasion can be good for you.In a 2001 study of 158 hospital nurses, those who faced considerable work demands but coped with the challenge were more likely to say they were in good health than those who felt they stress that you can manage also boost immune (免疫的) function, in a study at the Academic Center for Dentistry in Amsterdam, researchers put volunteers through two stressful experiences: in the first, a timed task that required memorizing a list followed by a short test; in the second, subjects through a gory (血淋淋的)video on surgical procedures. Those who did well on the memory test had an increase in levels of immunoglobulin A, an antibody that is the body's first line of defense against germs. The video-watchers experienced a downturn in the antibody.Stress prompts the body to produce certain stress hormones. In short busts these hormones have a positive effect, including improved memory function. 'They can help nerve cells handle information and put it into shortage,' says Dr. Bruce McEwen of Rockefeller University in New York. But in the long run these hormones can have a harmful effect on the body and brain.'Sustained stress is not good for you,' says Richard Morimoto, a researcher at Northwestern University in Illinois studying the effects of stress on longevity, 'It is the occasional burst of stress or brief exposure to stress that could be protectivE.'The passage is mainly about ______.A.the benefits of manageable stressB.how to avoid stressC.how to cope with stress effectivelyD.the effect of stress harmonies on memory
A.B.
C.
D.'
The
E.
A.the
F.how
G.how
H.the
未分类题
For many people today, reading, is no longer relaxation. To keep up their work they must read letters, reports, trade publications, interoffice communications, not to mention newspapers and magazines: a never-ending flood of words. In 【21】______ a job or advancing in one, the ability to read and comprehend 【22】______ can mean the difference between success and failurE.Yet the unfortunate fact is that most of us are 【23】______ readers. Most of us develop poor reading 【24】______ at an early age, and never get over them. The main deficiency 【25】______ in the actual stuff of language itself—words. Taken individually, words have 【26】______ meaning until they are strung together into phraseds, sentences and paragraphs 【27】______ , however, the untrained reader does not read groups of wor. He laboriously reads one word at a time, often regressing to 【28】______ words or passages. Regression, the tendency to look back over 【29】______ you have just read, is a common bad habit in reading. Another habit which 【30】______ down the speed of reading is vocalization—sounding each word either orally or mentally as 【31】______ reads.To overcome these bad habits, some reading clinics use a device called an 【32】______ , which moves a bar (or curtain) down the page at a predetermined speeD.The bar is set at a slightly faster rate 【33】______ the reader finds comfortable, in order to 'stretch' him. The accelerator forces the reader to read fast, 【34】______ word-by-word reading, regression and subvocalization, practically impossiblE.At first 【35】______ is sacrificed for speeD.But when you learn to read ideas and concepts, you will not only read faster, 【36】______ your comprehension will improvE.Many people have found 【37】______ reading skill drastically improved after some training. 【38】______ Charlce Au, a business manager, for instance, his reading rate was a reasonably good 172 words a minute 【39】______ the training, now it is an excellent 1,378 words a minutE.He is delighted that how he can 【40】______ a lot more reading material in a short period of timE.【21】A.applyingB.doingC.offeringD.getting
A.B.
【21】
A.applying
B.doing
C.offering
相关试题