下面逻辑表达式的值为真的是( ) A: "A" > "a" B: "9" > "a" C: "Think" > "Thank" D: 12 > 12.1
下面逻辑表达式的值为真的是( ) A: "A" > "a" B: "9" > "a" C: "Think" > "Thank" D: 12 > 12.1
"I really think, if there...t;推测划线词语的意思,并选择恰当的译文
"I really think, if there...t;推测划线词语的意思,并选择恰当的译文
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"
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" };
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"])
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"}
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 = "色彩":[ "暖色":["红","橙","黄"], "冷色":["青","蓝"], "中性色":["紫","绿","黑","灰","白"] ]以下能够取到冷色“["青","蓝"]”的是哪一个选项?_
把一个JSON格式数据赋给变量color:color = "色彩":[ "暖色":["红","橙","黄"], "冷色":["青","蓝"], "中性色":["紫","绿","黑","灰","白"] ]以下能够取到冷色“["青","蓝"]”的是哪一个选项?_
在Excel中,为表格添加边框的正确的操作是()。 A: 单击"单元格"中的"边框" B: 单击"单元格"中的"边框和底纹" C: 单击"插入"中"边框" D: 单击"插入"中"单元格"
在Excel中,为表格添加边框的正确的操作是()。 A: 单击"单元格"中的"边框" B: 单击"单元格"中的"边框和底纹" C: 单击"插入"中"边框" D: 单击"插入"中"单元格"
下面语句中,正确的是( )。 A: printf("%c ","student"); B: printf("%c ","c"); C: printf("%s ",&a); D: printf("%s ","hello");
下面语句中,正确的是( )。 A: printf("%c ","student"); B: printf("%c ","c"); C: printf("%s ",&a); D: printf("%s ","hello");
R 语言中,代表注释语句起始的符号是( )。 A: "," B: ";" C: ":" D: " E: "
R 语言中,代表注释语句起始的符号是( )。 A: "," B: ";" C: ":" D: " E: "