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【单选题】
正弦电流i=100sin(ωt+70°),则此电流初相角

20°
100°
70°
【单选题】
以下程序输出结果是main){inti;fori=A;i<Ii++,i++)printf%c,i+32);printf\n);}

编译不通过,无输出
aceg
acegi
abcdefghi
【单选题】
以下程序段结果是 c( )。char * a[5]={“12378”, “1237”, “1236789”, “1237”, “123708”}; int i,c=0; for(i=0;i5:i++) if(StrCmp(a[i], “1237”)==0)c++;

A.2,
B.5
C.0
D.1237
【单选题】
I wish I _________ wings.

had
have
【单选题】
29. I remember __________ for the job, but I forget the exact amount.

to be paid
get paid
that I receive pay
being paid
【单选题】
如果是n个数排序,用冒泡排序法,第i轮比较次数是( )

n
n-i
n+i
n*n
【判断题】
i++和++ii最后结果一样

正确
错误
【单选题】
15.I feel terrible. I think I _____be sick.

will
am going to
should
ought to
【判断题】
I dont swim now, but I used to do when I was a kid.

正确
错误
【简答题】
已知函数 。下面是实现计算该函数程序,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