A . 2B
B . 0
C . 2
D . 4
[单选题]在VB中,表达式Mid("程序设计",2,2)的结果是( )A.程B.序C.序设D.出错
[单选题]在VB中,表达式Mid("程序设计",2)的结果是( )A.程序B.序C.序设计D.出错
[单选题]s$="abcdefghijk",Mid$(s$,1,4)的值是()。A . “efghijk”B . “hijk”C . “abcd”D . abcdefg
[单选题]赋值语句:a=123&MID("123456",3,2)执行后,a变量中的值是()。A . "12334"B . 123C . 12334D . 157
[单选题]已知a="12345678",则表达式Left(a,4)+Mid(a,4,2)的值是()A . 123456B . "123445"C . 123445D . 1279
[单选题]函数Mid("123456789",3,4)返回的值是______。A.123B.1234C.3456D.456
[单选题]-2,1/2,4,2,16,()。A.32B.64C. 128D.256
[单选题]设A="123456",则表达式Val(Left(A,4)+Mid(A,4,2))的值为A.123456B.123445C.5D.6
[单选题]设A="87654321",则表达式Vd(LeR(A,4)+Mid(A,4,2))的值为( )。A.876543B.876554C.8D.6
[单选题]设A="12345678",则表达式Val(Left(A,4)+Mid(A,4,2))的值为______。A.123456B.123445C.8D.6