问题
单项选择题
胰体癌（）
A.左上腹痛突出，反射到腰背部，夜痛尤剧
B.无痛性梗阻性黄疸
C.消瘦、贫血
D.肝和胆囊肿大压痛
E.脐周蓝色改变（Cullen征）
答案
参考答案：A
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胰体癌（）
A.左上腹痛突出，反射到腰背部，夜痛尤剧
B.无痛性梗阻性黄疸
C.消瘦、贫血
D.肝和胆囊肿大压痛
E.脐周蓝色改变（Cullen征）
参考答案：A
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| About 1,000 students were having a final exam in a huge lecture hall. Obviously the teacher wasn't very well liked, who kept shouting out how much time was left. During the exam he was so 1 going around the room making sure that nobody 2 . He asked the students to pile the 3 tests on the huge desk. This made for quite a mess. 4 , everyone needed a fairly good grade. Many students did poorly when 5 . One of the students thought that he must get a good grade, so he went on when the professor said " 6 down and check up your exam sheets." Five 7 turned into ten, ten into twenty, twenty into forty…almost an hour 8 the test was over, our friend finally put down his pencil, gathered up his work, and headed to the front to 9 his final. The whole time, the professor sat there, 10 waiting for the student to complete. "What do you think you are doing?" It was clear that the professor had 11 only to give the student a 12 time. "Turning in my exam," replied the student confidently. "I'm afraid I have some bad 13 for you," the professor gloated (幸灾乐祸), "Your 14 is an hour late. You've FAILED it. And I'll see you next term when you 15 my course." The student smiled slyly (狡诈地) 16 asked the professor, "Do you know who I am?" "No," cried out the professor 17 . The student 18 the professor right in the eyes and said slowly, "I didn't think so," so he lifted up one of the 19 half way, put his test neatly into the center of the pile, let the pile fall 20 his test in the middle, turned around, and walked out of the huge lecture hall. | ||||
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