患者，男，25岁，双下肢乏力伴尿潴留10天就诊，查体：双下肢肌力_爱下问搜题

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问题单项选择题

患者，男，25岁，双下肢乏力伴尿潴留10天就诊，查体：双下肢肌力3级，脐以下感觉缺失，最可能的诊断是

A．急性脊髓炎

B．周期性麻痹

C．吉兰-巴雷综合征

D．亚急性联合变性

E．脊髓压迫症

答案

参考答案：A

填空题

函数y=x²-bx+b²（x≥0）存在反函数的充要条件是______．

完形填空

阅读短文，从方框中选择适当的词并用其正确形式填空，使短文通顺、意思完整。请将答写在短文后相应题号的横线上。每空限填一词，每词限用一次。方框中有两个词是多余的。

dirty with have always time they large want speak lesson first drop

After a quick breakfast, I went into the lecture hall in a hurry．A famous teacher was 66 to
the students．He was holding up a $100 bill．Then he said to the three hundred students，“Who
would like this $1 00 bill?” The students put up 67 hands at once．Then he said，“I am going to give this $100 bill to one of you，but 68 ，let me do this．”He made the bill into a ball．Then he said. “Who 69 it now?” The hands went back into the air．“Well,” he said，“what if I do this?” and he 70 it on the floor and stepped on it．He picked up the 7l bill and said．“Who still wants it?” Hands went back again into the air．
“My friends,”? he said，“you have learned a valuable(有价值的) 72 today．No matter what I did to the $100 bill! Many 73 in our life，we are dropped and stepped on．We feel as if we are worth nothin9．But remember, no matter what 74 happened to you，you will never lose your value：You are 75 valuable to those people who love you．Your value doesn’t come from what you do or whom you know, but who you are．’’