溃疡性结肠炎与肠易激综合征的共同症状有（）
A．腹痛
B．黏液脓血便
C．里急后重
D．黏液稀便
E．腹泻
参考答案：A, E
She felt of what she had done to the poor. [ ]
A. shameful
B. shame
C. shameless
D. ashamed
三种典型的金属晶格类型是（）
A.体心立方
B.面心立方
C.密排立方
D.体心正方
