独特型存在于（）
A.BCRV区
B.TCRV区
C.AbV区
D.AbC区
E.TCRC区
参考答案：A, B, C
—Could we stay here for the night?
—Sorry. I have ____ to hold you all.
A．too small a room
B．very small a room
C．a too small room
D．such small a room
教育文献综述报告一般由哪几部分组成
