下列电子邮件的地址写法正确的是( )。 A: lisi B: public.sta.sh.cn C: lisi@public.sta.sh.cn D: public,Sta.sh.cn@lisi E: public.sta.sh.cn F: lisi
下列电子邮件的地址写法正确的是( )。 A: lisi B: public.sta.sh.cn C: lisi@public.sta.sh.cn D: public,Sta.sh.cn@lisi E: public.sta.sh.cn F: lisi
下列SQL语句中,能够实现“收回用户lisi对学生表(Stud)中年龄(Age)的修改权限”这一功能的是( )。 A: revoke update(Age) on table from lisi B: revoke update (Age) on table from public C: revoke update (Age) on Stud from lisi D: revoke update (Age) on Stud from public
下列SQL语句中,能够实现“收回用户lisi对学生表(Stud)中年龄(Age)的修改权限”这一功能的是( )。 A: revoke update(Age) on table from lisi B: revoke update (Age) on table from public C: revoke update (Age) on Stud from lisi D: revoke update (Age) on Stud from public
下列保存数据格式错误的是() A: sessionStorage.setItem(‘name’, ‘lisi’) B: localStorage.name = ‘lisi’ C: sessionStorage.push(‘name’, ‘lisi’) D: sessionStorage [‘name’]=’lisi
下列保存数据格式错误的是() A: sessionStorage.setItem(‘name’, ‘lisi’) B: localStorage.name = ‘lisi’ C: sessionStorage.push(‘name’, ‘lisi’) D: sessionStorage [‘name’]=’lisi
删除用户账号lisi,且lisi账号存储在其他表中的权限也一并被删除,相对应的命令是( )。 A: drop user 'lisi'@'%'; B: drop 'lisi'@'%'; C: delete 'lisi'@'%'; D: delete from user where user='lisi' and host='%';
删除用户账号lisi,且lisi账号存储在其他表中的权限也一并被删除,相对应的命令是( )。 A: drop user 'lisi'@'%'; B: drop 'lisi'@'%'; C: delete 'lisi'@'%'; D: delete from user where user='lisi' and host='%';
用户lisi登录后,默认所处的初始位置是( ) A: / B: /root C: /lisi D: /home/lisi
用户lisi登录后,默认所处的初始位置是( ) A: / B: /root C: /lisi D: /home/lisi
Public tju net cn是一个主机域名的正确写法
Public tju net cn是一个主机域名的正确写法
下列域名表示中,不正确的是()。 A: Awww.cernet.edu.cn B: BonlinE.sh.cn C: Cwww.163.com D: Donline,sh,cn
下列域名表示中,不正确的是()。 A: Awww.cernet.edu.cn B: BonlinE.sh.cn C: Cwww.163.com D: Donline,sh,cn
有以下定义语句:structstudent{intnum;charname[9];}则不能正确定义结构体数组并赋初始值的是 A: structstudentstu[]={{1,"zhangsan"},{2,"lisi"}}; B: structstudentstu[2]={1,"zhangsan",2,"lisi"}; C: structstudentstu[2]={{1,"zhangsan"},{2,"lisi"}}; D: structstu[]={{1,"zhangsan"},{2,"lisi"}};
有以下定义语句:structstudent{intnum;charname[9];}则不能正确定义结构体数组并赋初始值的是 A: structstudentstu[]={{1,"zhangsan"},{2,"lisi"}}; B: structstudentstu[2]={1,"zhangsan",2,"lisi"}; C: structstudentstu[2]={{1,"zhangsan"},{2,"lisi"}}; D: structstu[]={{1,"zhangsan"},{2,"lisi"}};
【单选题】对于下面代码,正确的Java源程序文件名是( )。 class A { void method1() { System. out .println( "Method1 in class A" ); } } public class B { void method2() { System. out .println( "Method2 in class B" ); } public sta
【单选题】对于下面代码,正确的Java源程序文件名是( )。 class A { void method1() { System. out .println( "Method1 in class A" ); } } public class B { void method2() { System. out .println( "Method2 in class B" ); } public sta
NSMutableDictionary *mutableDic = [NSMutableDictionary dictionaryWithObjectsAndKeys:@"lisi",@"name",[NSNumber numberWithInt:20],@"age", nil]; <br/>[mutableDic setObject:@"89" forKey:@"num"];<br/>NSLog(@"mutableDic4 = %@“,mutableDic);<br/>控制台打印是: A: name = lisi;num = 89 B: age = 20;name = lisi;num = 89 C: age = 20;name = lisi D: age = 20
NSMutableDictionary *mutableDic = [NSMutableDictionary dictionaryWithObjectsAndKeys:@"lisi",@"name",[NSNumber numberWithInt:20],@"age", nil]; <br/>[mutableDic setObject:@"89" forKey:@"num"];<br/>NSLog(@"mutableDic4 = %@“,mutableDic);<br/>控制台打印是: A: name = lisi;num = 89 B: age = 20;name = lisi;num = 89 C: age = 20;name = lisi D: age = 20