问题
单项选择题
抗铜绿假单胞菌作用最强的头孢菌素是（）。
A.头孢氨苄
B.头孢他啶
C.头孢孟多
D.头孢噻吩
E.头孢乙腈
答案
参考答案：B
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抗铜绿假单胞菌作用最强的头孢菌素是（）。
A.头孢氨苄
B.头孢他啶
C.头孢孟多
D.头孢噻吩
E.头孢乙腈
参考答案：B
阅读下列短文，从文后各题所给的四个选项中选出一个最佳答案 。 It was unusually quiet in the emergency room on December 25. I didn't think there would be any patients, sighing about having to work on Christmas. Just then five bodies 1 at my desk, a pale woman and four children． "Are you all 2 ?" I asked． "Yes," she said weakly and lowered her head． But when they were asked to talk about their problems, things got a little 3 . Two of the children had headaches, but there was no 4 body language of holding the head.; two children had earaches, but only one could tell me which ear was affected. The 5 complained of a cough but seemed to work to produce it． Something was wrong. I didn't say anything but 6 that it might be a little while 7 a doctor could see her. She 8 , "Take your time; it's warm in here．" Then, I checked their chart. No address—they were homeless. The waiting room was warm. I went back to the nurses' station and mentioned we had a 9 family in the waiting room. The nurses went into action immediately, much as we do when there's a 10 emergency. But this was a Christmas emergency． We were all 11 a free meal on Christmas Day, so we claimed that meal and prepared a big dinner for our guests .We needed presents. We 12 from different departments candies, fruits and other things 13 that could be presents. Our team worked to meet the needs of a family who just wanted to be 14 on Christmas． Later, as the family walked to the door to 15 , the four-year-old boy came running back, gave me a hug and whispered．"Thanks for being our angels today."
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