问题
单项选择题
女性，20岁，大便秘结，排便时肛门口有剧痛，手纸染鲜血，量少，最可能诊断是
A．Pratt试验(+)
B．Pertmes试验(+)
C．Buerger试验(+)
D．Trendelenbetg试验(+)
E．Trendelenbetg试验(-)
答案
参考答案：A
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女性，20岁，大便秘结，排便时肛门口有剧痛，手纸染鲜血，量少，最可能诊断是
A．Pratt试验(+)
B．Pertmes试验(+)
C．Buerger试验(+)
D．Trendelenbetg试验(+)
E．Trendelenbetg试验(-)
参考答案：A
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| John is a famous writer now. But he said that he was not a 1 student when he was young. He was often late for 2 and didn't like doing his homework. Sometimes, he slept in class while the teacher was teaching. He didn't understand much, 3 he always thought he understood everything. One day the teacher 4 the students a question, "when Jack was ten years old, 5 brother Bob was twenty. Jack is fifteen now and 6 is his brother Bob?" John said, "That's easy. Bob is twice as old as Jack, so he is now thirty." Another time, the 7 in a science class asked, "when it thunders (打雷), 8 do we always see the light before we 9 the sound?" "But, Miss," said John quickly, "don't you 10 our eyes are in front of our ears?" | ||||
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