北宋官员名称上有“官”、“职”、“()”的区别。
参考答案:差遣
脊髓病变引起的肌肉瘫痪不可能发生()
A.双下肢痉挛性瘫痪,上肢正常
B.双上肢痉挛性瘫痪,下肢正常
C.四肢痉挛性瘫痪
D.一侧上下肢痉挛性瘫痪
E.上肢肌肉萎缩,下肢痉挛性瘫痪
The boy is new. He ____ Singapore. [ ]
A. come from
B. is from
C. comes in
D. from come