FIDIC通用条件规定,颁发“解除缺陷责任书”后,合同对双方仍能有效,工程师可要求承包人完成( )方面的义务。
A.财务
B.施工
C.修补缺陷
D.管理
参考答案:A,D
That table _______ metal. It looks nice. [ ]
A. is made of
B. makes
C. is made from
D. made
已知31=3,32=9,33=27,34=81,35=243,36=729,37=2187,38=6561…,请你推测320的个位数是( ).