【单选题】客家是西晋末至 时期中原汉人由于战乱等原因逐步南迁到赣闽粤边区与当地土著居民融合而形成的一个具有独特文化的汉族民系。
【判断题】若线性方程组AX=B中,方程的个数小于未知量的个数,则AX=B一定有无穷多解。( )
【单选题】Having _________ so many obstacles, she established her fame as a first - rate actress at last.
【多选题】下列 表述,属于 恩格斯对马克思评价 的是
【单选题】She was having great difficulty__________,and SO I had to move my car to let her out.
C.
SO as to get her car out
D.
as to getting her car out