下列对枚举类型的正确定义形式为（ ） A: enum a={one,two,three}; B: enum a{one=9,two=-1,three}; C: enum a={"one","two","three"}; D: enum a{"one","two","three"};

以下对枚举类型名的定义中，正确的是__________。 A: enum a ={one,two,three}; B: enum a{a1, a2，a3}； C: enum a ={’1’,’2’，’3’}； D: enum a {"one","two"，"three" }；

在C#中值类型包括枚举类型，关于枚举类型的声明下面的选项哪一下是正确的（ ）。 A: num c={'1','2','3'}; B: enum a={one,two,three}; C: enum b {a1,a2,a3}; D: enum d{"one","two","three"};

Word中插入数学公式的方法是（）。 A: "插入"→"形状"→"公式" B: "开发工具"→"公式" C: "插入"→"公式"→"插入新公式" D: "引用"→"插入"→"公式"

定义并初始化一个用于存放我们国家的四个直辖市的数组cityName，四个直辖市为：北京，上海，天津，重庆. 正确的是_________ A: String[] cityName=new String[4]{"北京","上海","天津","重庆"}; B: String[] cityName=new String[]{"北京","上海","天津","重庆"}; C: String[] cityName={"北京","上海","天津","重庆"}; D: String cityName = new String[4] { "北京", "上海", "天津", "重庆" };

当输入19，2，21时下列程序运行的结果是 main( ){int a,b,c,max;printf("please scanf three number a,b,c: ");scanf("%d,%d,%d",&a,&b,&c);max=a;if(max<b)max=b;if(max<c)max=c;printf("max is:%d",max);} A: 21 B: max is:21 C: 2 D: max is:2

Eris, the goddness of discord, threw a golden apple in front of the goddesses, with an inscription that read:" to the most beautiful". Three goddesses claimed the apple : Hera, Athena and Nike. A: 正确 B: 错误

已知有一个名为names的空列表,如何向其中添加old_driver,rain,jack,shanshan,peiqi,black_girl 元素？ A: names.append("old_driver","rain","jack","shanshan","peiqi","black_girl") B: names.extend("old_driver","rain","jack","shanshan","peiqi","black_girl") C: names.insert("old_driver","rain","jack","shanshan","peiqi","black_girl") D: names.extend(["old_driver","rain","jack","shanshan","peiqi","black_girl"])

以下哪个选项是正确的json数据格式： A: { "id": 2, "userName": admin, "passWord": 12345, "email": admin@qq.com} B: { id: 2, userName: "admin", passWord: "12345", email: "admin@qq.com"} C: { "id": 2, "userName": "admin", "passWord": "12345", "email": "admin@qq.com",} D: { "id": 2, "userName": "admin", "passWord": "12345", "email": "admin@qq.com"}

把一个JSON格式数据赋给变量color：color = &quot色彩":[ &quot暖色":[&quot红",&quot橙",&quot黄"], &quot冷色":[&quot青",&quot蓝"], &quot中性色":[&quot紫",&quot绿",&quot黑",&quot灰",&quot白"] ]以下能够取到冷色“[&quot青",&quot蓝"]”的是哪一个选项？_