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问题 单项选择题

男性，27岁，3天前搬重物后感腰痛，伴右下肢放射痛，咳嗽、喷嚏时症状加重，不能下床活动，以前无类似发作史。查体发现，腰椎生理弧度消失，活动明显受限，直腿抬高仅达 40°，加强试验阳性，右足外侧外踝部皮肤感觉过敏，右跟腔反射减弱，X线平片除腰椎生理弧度消失外；未见其他异常；尿常规正常。

其诊断首先考虑为

A．急性腰扭伤

B．急性腰椎小关节功能紊乱

C．腰椎弓根峡部骨折

D．腰4～5椎间盘突出

E．腰5～骶1椎间盘突出

答案

参考答案：E

解析：
腰5～骶1椎间盘突出常表现为足外侧感觉异常、跟腱反射减弱或消失。

完形填空

缺词填空(10分)

Sally was a student in a small town. It was going to be her mother’s birthday. She wanted to buy her a present that would be nice and useful but not e       .

She went s     after a quick and simple lunch. After she looked for about forty minutes, she found a shop that was selling cheap umbrellas(雨伞), and she d       to take a black one. She thought, “Mom can carry it when she is w________ clothes of any color.” So she bought a lovely black umbrella and took it to school with her until her class finished. On her way home on the train she felt h       So she went to the buffet car (餐车). She left the umbrella on her s     . But when she returned, it had gone. Sally began to cry. The o_______ passengers(乘客) felt very sorry for her and asked what was the matter. She told them the black umbrella she bought for her mother had gone, and she had to get off at the next station. After the three passengers h______      this , they asked her for her mother’s address(地址) so that(为了) they could send the umbrella to her if someone took it by mistake (弄错) and brought it b       

And now a week passed. Sally g______ a letter from her mother. It said, “Thank you very much for your lovely presents, but why do you send me three black umbrellas?”
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单项选择题

门静脉的正常压力为（）.

A.0.2～0.5kPa（2～5cmH2O）

B.0.6～1.2kPa（6～12cmH2O）

C.1.3～2.4kPa（13～24cmH2O）

D.2.5～3.9kPa（25～40cmH2O）

E.4.0～5.9kPa（41～60cmH2O）
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