【单选题】
正弦电流i=100sin(ωt+70°),则此电流的初相角为
【单选题】
以下程序的输出结果是main){inti;fori=A;i<I;i++,i++)printf%c,i+32);printf\n);}
【单选题】
以下程序段的结果是 c的值为( )。char * a[5]={“12378”, “1237”, “1236789”, “1237”, “123708”};
int i,c=0;
for(i=0;i5:i++)
if(StrCmp(a[i], “1237”)==0)c++;
【单选题】
I wish I _________ wings.
【单选题】
29. I remember __________ for the job, but I forget the exact amount.
【单选题】
如果是n个数排序,用冒泡排序法,第i轮比较的次数是( )
【单选题】
15.I feel terrible. I think I _____be sick.
【判断题】
I dont swim now, but I used to do when I was a kid.
【简答题】
已知函数 。下面是实现计算该函数的程序,请填空完成以下程序。
Private Sub Command1_Click()
Dim k As Integer, i As Integer, s As Long
n = 5 : k = 1
For i = 1 To n
s = s +[填空]
Next i
Print s
End Sub
Function pow(a As Integer, b As Integer) As Long
Dim i As Integer, t As Long
t = 1
For i = 1 To a
[填空]
Next i
pow = t
End Function