问题
单项选择题 A3/A4型题
患者男，60岁，便时肛门肿物脱出，为淡红色圆锥状，长约5cm，便后需用手回复，伴肛门坠胀，大便带血，神疲乏力，食欲不振。
诊断应为：（）
A.混合痔
B.嵌顿痔
C.Ⅱ度直肠脱垂
D.直肠息肉
E.Ⅲ度直肠脱垂
答案
参考答案：C
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患者男，60岁，便时肛门肿物脱出，为淡红色圆锥状，长约5cm，便后需用手回复，伴肛门坠胀，大便带血，神疲乏力，食欲不振。
诊断应为：（）
A.混合痔
B.嵌顿痔
C.Ⅱ度直肠脱垂
D.直肠息肉
E.Ⅲ度直肠脱垂
参考答案：C
Man began to make use of fire long long ago. Fire is useful in many ways, but sometimes it is dangerous. If you are not (1) with it, it can burn things or (2) hurt you. A big fire can (3) forests and tall buildings. Sometimes a piece of (4) paper can cause a big fire. So please remember (5) ______ in the dry places like woods and forests (6) throw a cigarette end on the grass and it’s also important for you to put the candles in the 7) place. When you use candles at home ,you should (8) your long hair away from the fire. But if there is a (9) in our building, what should we do with it? Pour some water (10) your clothes. What’s more, put a (11) towel (毛巾) over your mouth and your nose to keep the (12)______ out. You’d better run away from the fire as (13) as you can. But you mustn’t rush! Or you may fall over and hurt yourself or others. Of course you should also call 119. On the phone you should clearly tell the firemen (14) the fire is to help them get there without difficulty. By the way, Do not (15) out of the window. Jumping may be more dangerous than the fire. Keep ourselves away from fire and safety is above all!
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