绘图题：作出ANI的梯形图符号。
参考答案：
It _______ to me that we still have many things to do, so I went back to my office at once.
A．happened
B．struck
C．occurred
D．broke out
先天性巨结肠根治术的术式有
A．Pena手术
B．Soave手术
C．Duhamel手术
D．Swenson手术
E．Rehbein手术
