Crohn病的最好发部位是（）。
A.口腔
B.肛门
C.直肠
D.乙状结肠
E.末段回肠及其相邻右半结肠
参考答案：E
Usually an adult man can grow about 1.7 meters tall, _____ a few may grow as short as 1.3 meters.
A．while
B．or
C．for
D．so
期货业机会的业务活动与证监会无关。()
