7, 21, 14, 21, 63, ( ), 63
7, 21, 14, 21, 63, ( ), 63
七位带符号二进制数原码的数值范围为? A: -63~+63 B: -64~+63 C: -63~+64 D: -64~+64
七位带符号二进制数原码的数值范围为? A: -63~+63 B: -64~+63 C: -63~+64 D: -64~+64
有10个数31、52、63、63、25、31、52、31、63、52,众数是什么?
有10个数31、52、63、63、25、31、52、31、63、52,众数是什么?
执行下列语句后的显示结果是( )world="world"print("hello"+world) A: helloword B: "hello"world C: hello world D: "hello"+world
执行下列语句后的显示结果是( )world="world"print("hello"+world) A: helloword B: "hello"world C: hello world D: "hello"+world
63%,( )居世界首位
63%,( )居世界首位
如何使用 PHP 输出 "hello world"?( ) A: "Hello World"; B: echo "Hello World"; C: Document.Write("Hello World"); D: console.log("Hello World");
如何使用 PHP 输出 "hello world"?( ) A: "Hello World"; B: echo "Hello World"; C: Document.Write("Hello World"); D: console.log("Hello World");
执行下列语句后的显示结果是什么? >>> world=”world” >>> print( “hello”+ world) A: helloworld B: “hello”world C: hello world
执行下列语句后的显示结果是什么? >>> world=”world” >>> print( “hello”+ world) A: helloworld B: “hello”world C: hello world
______thisway,oneof_____thefavoritedrinkswasinvented. A: In;world’s B: By;world’sCOn!WorldD,To;world
______thisway,oneof_____thefavoritedrinkswasinvented. A: In;world’s B: By;world’sCOn!WorldD,To;world
Without electricity, what ______ A: will the world be like B: would the world be like C: the world will be like D: the world be like
Without electricity, what ______ A: will the world be like B: would the world be like C: the world will be like D: the world be like
下面代码的运行结果是( )。var str= "hello world" ;var str1=str.toUpperCase();var str2=str.toLowerCase() ;alert (str1) ;alert (str2) ; A: "HELLO WORLD","HELLO WORLD" B: "HELLO WORLD","hello world" C: "hello worl","HELLO WORLD" D: "hello world","hello world"
下面代码的运行结果是( )。var str= "hello world" ;var str1=str.toUpperCase();var str2=str.toLowerCase() ;alert (str1) ;alert (str2) ; A: "HELLO WORLD","HELLO WORLD" B: "HELLO WORLD","hello world" C: "hello worl","HELLO WORLD" D: "hello world","hello world"