此题为判断题(对,错)。
第1题:
you have recently written the code shown below:Hashtable emailAddresses = new Hashtable ();emailAddresses.Add ("Mia", "mia@ Certkiller .com");emailAddresses.Add ("Andy", "andy@ Certkiller .com");emailAddresses.Add ("Kara", "kara@ Certkiller .com");You need to ensure that these e-mail addresses are stored in the Email.dat file so that you can load them againwhen the user restarts the application.What should you do?()
A.
B.
C.
D.
第2题:
第3题:
在直角坐标系中,x、y是坐标系中任意点的位置,用x与y表示在第一或第三象限的表达式,以下不正确的是()。
A.(x > 0 And y > 0) And (x < 0 And y < 0)
B.(x > 0 And y > 0) Or (x < 0 And y < 0)
C.x * y > 0
D.x * y = Abs(x * y)
第4题:
下述程序的输出结果是______。 #include<stdio.h> main() { enum team{Jack,Andy,Sam=10,Bob=Sam+2,Tom}; printf("%d,%d",Andy,Tom); }
A.2,13
B.1,0
C.1,13
D.1,12
第5题:
第6题:
下列哪些是Activity的运行状态
A.Running
B.paused
C.激活状态
D.Stopped
E.Killed