2019年mba考试英语模拟题——连词868

{01}The roof began to fall ______ she had time to dash into the room to save her baby. A.after B.as C.before D.until 解析：考查连词。A. 在……之后   B. 当……时  C. 在……之前  D. 直到……。句意：在她还没来得及冲进房间去救她的婴儿前，房顶就开始下降。选C。
本题选C。

{02}The new China was founded in 1949, ______ great changes have taken place. A.since when B.after which C.in which D.when 解析：考查定语从句。句意：新中国在1949 年建立，从那时候起中国就发生了重大变化。现行词为1949,，从句中缺少时间状语从句。所以选A。
本题选A。