细胞有丝分裂的间期包括（）、（）、（）三个时期；分裂期包括（）、（）、（）、（）四个时期。
参考答案：复制前期；复制期；复制后期；前期；中期；后期；末期
有以下程序： Private Sub Form_Activate() For j=1 to 3 x=3 For i=l to 2 x=x+6 Next Next Print x End Sub 程序运行后，窗体上显示的结果为______。
Three fourths of the bread _______ by Bob, and the rest of the bread _______ left on the table. [ ]
A. was eaten; were
B. were eaten; was
C. were eaten; were
D. was eaten; was
