所有者权益是指企业投资人对企业资产的所有权。（）
参考答案：错
The problem was settled to the complete of them, so they didn't complain.[ ]
A. amazement
B. satisfaction
C. disappointment
D. attraction
小儿下消化道出血的病因有（）
A.炎症性肠病
B.息肉
C.肠套叠
D.淋巴瘤
E.美克氏憩室
