鉴别原因未明的病毒性脑炎与功能性精神病,较有意义的检查是()
A.脑超声检查
B.脑电图检查
C.脑脊液检查
D.脑血管造影
E.脑MRI检查
参考答案:C
He didn't get up _________ to catch the train this morning.[ ]
A. enough early
B. late enough
C. early enough
D. enough late
我国社会主义初级阶段是泛指任何国家进入社会主义都会经历的起始阶段。( )