对设备有形磨损的局部补偿是( )。
A．修理
B．更新
C．现代化改装
D．局部改装
参考答案：A
I’m in with a chance ______ the English speech contest.[ ]
A. win
B. to win
C. defeat
D. to defeat
乳腺癌的主要肿瘤标志物是
A．AFPB．CEAC．CA15-3D．CA125E．CA19-9
