男性,55岁。双下肢无力半年,右侧明显,近2个月行走不稳,右手不能扣纽扣,无外伤史,

题型:单项选择题

问题:

男性,55岁。双下肢无力半年,右侧明显,近2个月行走不稳,右手不能扣纽扣,无外伤史,无发热。体格检查,颈背部无明显压痛,两上肢前臂、手及上臂尺侧皮肤感觉减退,右侧尤其明显,四肢肌张力增高,肱二头肌反射亢进,双侧膝踝反射亢进,右髌阵挛阳性,右巴宾斯基征阳性。

最可能的诊断是

A.颈椎肿瘤

B.颈椎病

C.脑中风

D.颈椎结核

考点:普通考研西医综合西医综合
题型:单项选择题

阴阳离决,精气乃绝是阴阳之间哪种关系失调所致()

A.阴阳平衡

B.阴阳对立

C.阴阳互根

D.阴阳消长

E.阴阳转化

题型:单项选择题

生产的社会化要求企业内部实现( )的分工合作。

A.周密

B.缜密

C.全面

D.广泛

题型:单项选择题

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

     People living in the country enjoy several advantages that people living in the city cannot enjoy. 

     1______ They make friends with trees and stones. They breathe fresh air. They fight with strong winds.

2______.

     This contact with nature is good for health. There are many diseases that are common in the city, but are

not to be found in the country, For example, near-sightedness is almost unknown to country people.

     Because of the absence of cars, one can walk more freely in the country than in the city, 3______ 

     People living in the country can easily get fresh vegetables, fresh fruit and fresh milk, and they get them

at lower prices than in the city. 

     4______  There are practically no temptations to waste money. 

     5______ They say what they mean, and make and keep promises with sincerity (诚意). They do not put

on air (摆架子). They do not pretend to have those ridiculous manners which are necessary in what we call

polite society.

A. They listen to the song of birds.

B. Country people are mostly honest.

C. They are in close contact with nature.

D. Country people are far from town life.

E. Country life is economical (节俭的) in other ways, too.

F. Country life provides much more enjoyment.

G. There are no rules of the road nor traffic signs to obey.

题型:单项选择题

假定投资者6月份有300万资金,拟买入A、B、C三种股票,每种股票投资100万,如果6月份相应的期货指数为 1 500点,每点100元,三种股票的 β系数分别为3、2.6、 1.6,为规避股票价格上涨的风险,该投资者应买进指数期货合约( )份。

A.192
B.96
C.48
D.24

题型:单项选择题

多项目费用管理计划的制定一般要遵循()原则。

A.总费用可以超支

B.成本效益原则

C.科学的费用变更程序

D.费用使用的均衡性

E.灵活性

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