【单选题】下面代码的功能是()。 private void AdminForm_Load(object sender, EventArgs e) { Application.Exit() ; }
【简答题】给出下列说法: ①幂函数的图象一定不过第四象限; ②奇函数图象一定过坐标原点; ③y=x 2 -2|x|-3的递增区间为[1,+∞); ④定义在R上的函数f(x)对任意两个不等实数a、b,总有 f(a)-f(b) a-b >0 成立,则f(x)在R上是增函数; ⑤ f(x)= 1 x 的单调减区间是(-∞,0)∪(0,+∞). 正确的有 ______.
【单选题】What does "exceed" mean?
A.
say publicly or officially that sth. important is true or exists
B.
be more than a particular number or amount
C.
make small changes to an engine so that it works as well as possible
D.
make sth. that is spoken or written shorter
【简答题】下面这个Sub过程的功能是统计字符串中“a”的个数,请在空白处填上合适的代码完成程序。 Private Sub numCount() Dim hum As Integer s$ = 'software And hardware' num = Len(s$) For i = 1 To hum b$=______ If b$ = 'a' Then x = x+1 Next i Print 'x='; ...