2019年mba考试英语模拟题——其他151

{01}This is the first time that a woman scientist has been awarded in ______ history．
A.the
B.our
C.us
D./
解析：
本题选D。
{02}____ the maths problems have been worked out．
A.Not
B.Not every
C.Not all
D.Not some
解析：
本题选C。