膈神经是()最重要的分支,坐骨神经是()从最大的分支。
参考答案:颈丛;骶
下列物质属于电解质,而且可以导电的是( )
A.KCl固体
B.盐酸
C.乙醇
D.熔融的氧化铝
—Does he want to see a movie?
—_____. [ ]
A. Yes, he is
B. He doesn't know
C . You are welcome
D. No, he doesn't