请问以下四个赋值操作中，哪一个操作可以得到一个字典类型的数据？ A: >>>data = ('Zhangsan', 18) B: >>>data = ['Zhangsan', 18] C: >>>data = {'Zhangsan': 18} D: >>>data = "'Zhangsan', 18"

三角形内角和的中误差为±6",则一内角的中误差为 A: ±2" B: ±2√3 " C: ±6√3 " D: ±18"

下列定义字体对象ft的语句中，正确的是___________。 A: Dim ft As New Font("隶书", 18) B: Dim ft As Font = New Font("隶书", 18) C: Dim ft As Font = ("隶书", 18) D: Dim ft("隶书", 18) As Font E: Dim ft = Font ("隶书", 18)

设S="Chinese dream my dream"，T="dream"，则index(S, T, 3 )的值为______。 A: 0 B: 9 C: 18 D: 9和18

根据下面的定义，能输出字符串"Li"的语句是（）。struct person{char name[10];int age;};person stu[10]={"Zhang",18,"Li",17,"Ma",18,"Huang",18 };? cout<<;stu[1].name[0]<<endl;|cout<<;stu[2].name[0]<<endl;|cout<<;stu[1].name<<endl;|cout<<;stu[2].name<<endl;

若有以下定义，则能打印出字母M的语句是（ ）。struct person{ char name[12]; int num;};struct person class[8]={"Linan",20,"zhanghai",18,"Maming",23,"wanghua",25,"chenqi",17};? printf("%c",class[2].name[1]);|printf("%c",class[3].name[1]);|printf("%c",class[2].name[0]);|printf("%c",class[3].name);

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" };

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"}