患者，男，60岁，双下肢无力7年。患者7年前无明显诱因出现双下肢_爱下问搜题

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问题单项选择题案例分析题

患者，男，60岁，双下肢无力7年。患者7年前无明显诱因出现双下肢疲乏，呈进行性加重，伴步态不稳，如"脚下踩棉花感"。时作颈项板滞，双上肢沉重、无力。查体：颈椎生理弧度变直，C棘旁压痛，双下肢肌张力增高，膝、踝反射亢进，Hoffmann（+），踝阵挛（+）。X光片示：颈椎退行性变。

如对该患者行牵引治疗，牵引的角度是（）

A.头前屈15°～25°

B.头前屈5°～10°

C.颈部中立位（0°）

D.头后伸0°～15°

E.头后伸15°～25°

F.头后伸25°～35°

答案

参考答案：C

单项选择题

绞窄性肠梗阻呕吐的特点

A．呕吐物为血性
B．呕吐早、频繁
C．呕吐出现晚、呕吐物带粪臭味
D．呕吐物为带酸臭味的宿食
E．呕吐呈溢出性

完形填空

Sometimes, people are required to fill in personal information when they register online, which may lead to some unexpected trouble. Recently, the BBC is reporting that a 17-year-old girl in Australia posted a(n) 36  of her grandmother at home counting a large sum of cash that she   37   hidden in the house. Just eight hours later, two armed men   38  the girl’s house. They demanded to speak to her to find out where the grandmother’s house was,   39  they could get the money they had seen.    40  , the girl was not home at the time, so the robbers   41  a small amount of cash from the mother and left.
Because the   42  is still under investigation, local police aren’t saying   43  else about it. It’s not known yet whether the girl had used privacy setting on the Facebook profile page, and even whether the robbers   44  the girl in the past.
Two other   45  were at home then, a 58-year-old man and a 14-year-old boy, the girl’s father and brother. Luckily, no one was   46  . The robbers left peacefully after   47  that the girl was not home and that no one else there knew anything about the   48  that had appeared in the photo.
Police in both Britain and Australia are using the case to 49  citizens of the dangers of posting personal information on social networks and to suggest users of websites   50   doing so. The police say it is   51   that the girl posted a comment in the past that gave clues to the address,    52  that the robbers knew the girl in another way.    53  , they suggest, a posting by a friend on their site could have    54  such information. To find it, the robbers would only have had to search for those posting on other pages that   55  the girl’s name.

C．Fortunately

C．discovering

D．recognizing

B．grandmother