4阶方阵A的秩为2,则其伴随矩阵A*的秩为( )。
A.3
B.2
C.1
D.0
参考答案:D
加油站工效薪酬管理的项目包括()、()、()、()、()。
Bad luck! We ______ the mountain when it rained heavily. [ ]
A. climbed
B. will climb
C. are climbing
D. were climbing