问题
单项选择题
胃十二指肠溃疡外科手术的绝对适应证是
A．瘢痕性幽门梗阻
B．胃后壁溃疡
C．溃疡病出血
D．溃疡穿孔
E．应激性溃疡
答案
参考答案：A
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胃十二指肠溃疡外科手术的绝对适应证是
A．瘢痕性幽门梗阻
B．胃后壁溃疡
C．溃疡病出血
D．溃疡穿孔
E．应激性溃疡
参考答案：A
Which of the following is NOT true about average Americans a. They think there is a distinction between those purely white and the rest. b. They do not think there is much difference between black and brown races. c. They think black people include only those of purely African origin. d. They do not think it is good for a white person to marry a black one.