It is highly desirable that a new president ______ for this university.A.is appointedB.wil

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It is highly desirable that a new president ______ for this university.

A.is appointed

B.will be appointed

C.be appointed

D.has been appointed

热搜:n阶矩阵a具有n个不同的特征值是a与对角矩阵相似的