最容易发生扭转的结肠是()
A.盲肠
B.乙状结肠
C.横结肠
D.升结肠
E.降结肠
参考答案:B
解析:
乙状结肠的活动度最大,是结肠扭转最常见的发生部位。
Would you please speak more slowly ?I can hardly ______you.
A.agree with
B.follow
C.hear
D.talk about
简述上、下运动神经元瘫痪的区分。