题目内容
(请给出正确答案)
[主观题]
以下代码正确的运行结果是?()var arr=[0,1,2,3,4,5,6];arr2 = arr.slice(2,5);alert(arr2);
A. 1,2,3
B. 1,2,3,4
C. 2,3,4
D. 2,3,4,5
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如果结果不匹配,请 联系老师 获取答案
A. 1,2,3
B. 1,2,3,4
C. 2,3,4
D. 2,3,4,5
A.-43 43
B.-43 42
C.-42 42
D.-42 43
A.123abc123
B. 123abc
C.123
D. abc
A.123100abc
B. 123.5abc100abc
C.NaN
D. 223
A.运行结果为15
B.运行结果为14
C.运行结果为10
A.输出Hello,JavaScript!
B.输出Java
C.输出true
D.输出false
A. getDate(0);
B.2006
C.4
D.1
E.6
A.1 2 3
B.3 2 4
C.0 1 2
D.1 2 4
请看代码,回答下面的问题。
Type
TMammal=Class
Procedure Walk;
…..
end;{end of TManmml}
procedure TMammal.Walk;
begin
ShowMessage(‘Result is Mammal Walk’);
end;
TDog=Class(TMammal)
Procedure Walk;
end;
procedure TDog.Walk;
begin
ShowMessage(‘Result is Dog Walk’);
end;
var
Mammal:TMammal;
dog:TDog;
begin
Mammal:=TDog.Create;
Mammal.Walk;
Mammal.Free;
end;
上面代码中,最后的输出结果是:()
A.‘Result is Dog Walk’
B.‘Result ia Mannal Walk’