问题 单项选择题 共用题干题

女性,63岁,左膝疼痛8年,加重1年,上下楼加重,休息后缓解,时有"打软腿"和膝关节"卡住"的现象,保守治疗效果不佳。查体:左膝内翻,左膝内侧关节间隙压痛,关节活动度可。左膝正侧位片示关节内骨质增生,内侧关节间隙狭窄,软骨下骨板致密

对于该患者来说,下列哪一种治疗最合理有效()。

A.物理治疗,加强膝关节周围肌肉的力量

B.关节腔内注射玻璃酸钠润滑关节软骨

C.胫骨近端楔形截骨矫正内翻畸形

D.人工膝关节置换术

E.关节镜下滑膜切除术

F.关节镜下摘除游离体

答案

参考答案:D

选择题
阅读理解

Is it true that cats have nine lives? One 4-year-old American cat named Sugar definitely seems to have more than one. Sugar fell from the 19th floor of her owner’s home in Boston last month and was only hurt a little on her chest.

“This story isn’t much of a surprise,” said Jake Socha, a scientist at Virginia Tech University, US, in an interview with the BBC. “There have been lots of records of these cats surviving.”

Back in 1987, scientists studied 132 cats. All of them had been brought to a vet’s clinic in New York after falling from tall buildings. Around 90 percent of these cats were alive after their fall and only 37 percent had been seriously injured.

“Being able to survive falls is a critical thing for animals that live in trees, and cats are one of them,” said Socha.

Cats have developed special body structures to survive accidental falls. Their legs are muscular. This can protect their bones from breaking, Professor Andrew Biewener from Harvard University told the BBC. Cats can also spread out their legs like a parachute to reduce their falling speed, he said.

The strange part, according to scientists, is that cats have a better chance of survival if they fall from higher than seven stories. This is because cats have a good sense of which way is down. They can twist their bodies as they fall to make sure they land on their feet. A higher fall means more time for the cat to change its body position.

However, you should not throw your cat out of the window to see how this works. Most pet cats are overweight nowadays. They are not fit enough to change their position in midair, warned Steve Dale, an American cat behavior scientist.

“This cat (Sugar) was lucky,” Dale said. In fact, most cats would suffer serious lung damage, a broken leg or a broken jaw or teeth damage, he said.

小题1:What can we learn from Paragraph 3?

A.Cats really do have nine lives.

B.Many cats can survive falls.

C.Cats are the softest animals in the world.

D.More than half of the cats that fall from high places end up badly injured.小题2:What does the underlined word “critical” mean in the context?

A.Important.

B.Easy.

C.Challenging.

D.Serious.小题3:Why can cats survive falls according to the article?

a. They have a hidden parachute in their bodies.

b. Their legs have developed in a way that protects their bones from breaking.

c. They can land on their feet.

d. They can twist their bodies to reduce the speed at which they are falling.

A.a, b

B.b, c

C.c, d

D.b, d小题4:Which of the following statements is TRUE?

A.A pet cat that falls out of a tall building is not really at risk.

B.Sugar was lucky that she was only injured in the leg.

C.Cats are confused as to which way is down when they are in midair.

D.A cat that falls from the fourth story of a building is more likely to die than one that falls from the 10th story.