典型输尿管结核肾盂造影表现（）
A.输尿管变细
B.输尿管"串珠状"改变
C.输尿管变粗
D.输尿管无改变
E.输尿管内充盈缺损
参考答案：B
怎样发展社会主义市场经济？
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利润表中“本期数”栏的数字，应根据各损益类账户本期发生额填列。( )
