肌萎缩侧索硬化下列哪部位常首先受累()。
A.胸段脊髓
B.颈段脊髓
C.腰段脊髓
D.颈膨大前角细胞
E.以上均不正确
参考答案:D
—What do you think of the film you saw yesterday?
—Oh! It's one of ________films I've ever seen.
A.interesting
B.more interesting
C.most interesting
D.the most interesting
虽然生产物流也创造空间效用,时间效用,但那是为()服务的。
A.人类
B.供应
C.生产
D.社会