肛裂最常见于胸膝位时肛门的（）
A．3点处
B．6点处
C．9点处
D．12点处
E．3点和6点处
参考答案：D
In 2000 they _____. They _____ for seven years.[ ]
A. marry, have married
B. married, have been married
C. have married , have married
1，5，19，81，411，______
A．2473 B．2485 C．1685 D．1857
