柏油样大便见于
A.十二指肠溃疡出血
B.溃疡性结肠炎
C.痢疾
D.结肠癌
E.胃穿孔
参考答案:A
改错。
( ) 1. What do your mother do last week? _________________
A B C
( ) 2. Did you watched TV yesterday? _________________
( ) 3. How did you went there? _________________
( ) 4. We went to zhejiang last week. _________________
在比率分析中常用的财务比率类型不包括()。
A.相关比率
B.结构比率
C.效率比率
D.相对比率