问题 单项选择题

以下符合类风湿关节炎的分类标准的是()

A.对称性关节肿、3个以上关节肿≥6周

B.晨僵至少2小时≥6周

C.腕、掌指关节或远端指间关节肿≥6周

D.手X线片改变,至少有骨质疏松和关节间隙的狭窄

E.类风湿因子阳性(滴度>1:16)

答案

参考答案:D

解析:分类标准为:①晨僵至少1小时≥6周。②对称性关节肿≥6周。③3个或3个以上关节肿≥6周。④腕、掌指关节或近端指间关节肿≥6周。⑤类风湿皮下结节。⑥手X线片改变(至少有骨质疏松和关节间隙的狭窄)。⑦类风湿因子阳性(滴度>1:32)。

完形填空

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.

___小题1:______They make friends with trees and stones. They breathe fresh air. They fight with strong winds. __小题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, ___小题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.

____小题4:____There are practically no temptations to waste money.

_____小题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.

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单项选择题