施工期的起始日是( )。
A.合同内约定的开32fl
B.合同签字日
C.“开工令”中指明的应开工日
D.双方协商确定
参考答案:C
计算(x3)2-(-x)2,结果为( )
A.-x8
B.x7
C.-x7
D.x8
It's nearly ten o' clock and father is _____ to come back at any moment. [ ]
A. possible
B. probable
C. possibly
D. likely