将学号为“02080110”、课程号为“102”的选课记录的成绩改为92,正确的SQL语句是()。 A: UPDATE选课SET成绩WITH92WHERE学号="02080110"AND课程号="102" B: UPDATE选课SET成绩=92WHERE学号="02080110"AND课程号="102" C: UPDATEFROM选课SET成绩WITH92WHERE学号="02080110"AND课程号="102" D: UPDATEFROM选课SET成绩=92WHERE学号="02080110"AND课程号="102"
将学号为“02080110”、课程号为“102”的选课记录的成绩改为92,正确的SQL语句是()。 A: UPDATE选课SET成绩WITH92WHERE学号="02080110"AND课程号="102" B: UPDATE选课SET成绩=92WHERE学号="02080110"AND课程号="102" C: UPDATEFROM选课SET成绩WITH92WHERE学号="02080110"AND课程号="102" D: UPDATEFROM选课SET成绩=92WHERE学号="02080110"AND课程号="102"
下列表达式计算结果为数值类型的是()。 A: #5/5/2010#-#5,1/2010# B: "102">"11" C: 102=98+4 D: #5/1/2010#+5
下列表达式计算结果为数值类型的是()。 A: #5/5/2010#-#5,1/2010# B: "102">"11" C: 102=98+4 D: #5/1/2010#+5
下列表达式计算结果为数值类型的是( )。 A: B: 5/5/2010 C: - D: 5/1/2010 E: F: "102">"11" G: 102=98+4 H: I: 5/1/2010 J: +5
下列表达式计算结果为数值类型的是( )。 A: B: 5/5/2010 C: - D: 5/1/2010 E: F: "102">"11" G: 102=98+4 H: I: 5/1/2010 J: +5
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"}
int x=102,y=12;printf("%2d,%3d\n",x,y);执行后输出结果是( )? 102,120|102, 12|02, 12|10,012
int x=102,y=12;printf("%2d,%3d\n",x,y);执行后输出结果是( )? 102,120|102, 12|02, 12|10,012
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"