• 2022-06-12 问题

    下面代码运行后输出的结果是______________。 int []age=new int[]{16,18,20,14,22}; foreach(int i in age) { if(i>18) continue; Console.WriteLine(i.ToString()+" "); }

    下面代码运行后输出的结果是______________。 int []age=new int[]{16,18,20,14,22}; foreach(int i in age) { if(i>18) continue; Console.WriteLine(i.ToString()+" "); }

  • 2022-06-19 问题

    设数组Array由以下语句定义,int[] age=new int[10];则数组的第一个元素的正确表示为 A: age[1] B: age[0] C: age[] D: Age[0]

    设数组Array由以下语句定义,int[] age=new int[10];则数组的第一个元素的正确表示为 A: age[1] B: age[0] C: age[] D: Age[0]

  • 2022-06-14 问题

    [音频]When must children start school in North America? A: Kingdergarten B: Grade one C: Age 7 D: Age 3

    [音频]When must children start school in North America? A: Kingdergarten B: Grade one C: Age 7 D: Age 3

  • 2022-05-29 问题

    下面哪一个表达式能正确表示逻辑关系:"age≥18 或age≤60"? A: age>=18 || age B: age>=18 or age C: age>=18 | age D: age>=18 && age

    下面哪一个表达式能正确表示逻辑关系:"age≥18 或age≤60"? A: age>=18 || age B: age>=18 or age C: age>=18 | age D: age>=18 && age

  • 2022-05-29 问题

    表达式“AGE BETWEEN 18 AND 24”等价于 A: AGE>18 AND AGE<24 B: AGE>=18 AND AGE<24 C: AGE>18 AND AGE<=24 D: AGE>=18 AND AGE<=24

    表达式“AGE BETWEEN 18 AND 24”等价于 A: AGE>18 AND AGE<24 B: AGE>=18 AND AGE<24 C: AGE>18 AND AGE<=24 D: AGE>=18 AND AGE<=24

  • 2022-06-16 问题

    NSMutableDictionary *mutableDic = &#91;NSMutableDictionary dictionaryWithObjectsAndKeys:@"lisi",@"name",&#91;NSNumber numberWithInt:20&#93;,@"age", nil&#93;; <br/>&#91;mutableDic setObject:@"89" forKey:@"num"&#93;;<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 = &#91;NSMutableDictionary dictionaryWithObjectsAndKeys:@"lisi",@"name",&#91;NSNumber numberWithInt:20&#93;,@"age", nil&#93;; <br/>&#91;mutableDic setObject:@"89" forKey:@"num"&#93;;<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

  • 2022-05-29 问题

    设有关系表S(NO,NAME,AGE),其中AGE为年龄字段,则表达式AGE NOT BETWEEN 18 AND 24等价于() A: AGE<=18 OR AGE>=24 B: AGE<=18 0R AGE>24 C: AGE<18 OR AGE>=24 D: AGE<18 0R AGE>24

    设有关系表S(NO,NAME,AGE),其中AGE为年龄字段,则表达式AGE NOT BETWEEN 18 AND 24等价于() A: AGE<=18 OR AGE>=24 B: AGE<=18 0R AGE>24 C: AGE<18 OR AGE>=24 D: AGE<18 0R AGE>24

  • 2022-05-29 问题

    与WHERE AGE BETWEEN 18 AND 23完全等价的是() A: WHERE AGE>18AND AGE<23 B: WHERE AGE>=18AND AGE<23 C: WHERE AGE>18AND AGE<=23 D: WHERE AGE>=18AND AGE<=23

    与WHERE AGE BETWEEN 18 AND 23完全等价的是() A: WHERE AGE>18AND AGE<23 B: WHERE AGE>=18AND AGE<23 C: WHERE AGE>18AND AGE<=23 D: WHERE AGE>=18AND AGE<=23

  • 2022-05-29 问题

    同WHERE Age BETWEEN 15 AND 20完全等价的是( )。 A: WHERE Age>;15 AND Age<;20 B: WHERE Age>;=15 AND Age<;20 C: WHERE Age>;15 AND Age<;=20 D: WHERE Age>;=15 AND Age<;=20

    同WHERE Age BETWEEN 15 AND 20完全等价的是( )。 A: WHERE Age>;15 AND Age<;20 B: WHERE Age>;=15 AND Age<;20 C: WHERE Age>;15 AND Age<;=20 D: WHERE Age>;=15 AND Age<;=20

  • 2022-05-29 问题

    设有关系表S(NO,NAME,AGE),其中AGE为年龄字段,则表达式 A: E  NOT  BETWEEN  18  AND  24  等价于: B: AGE<=18  OR  AGE>=24 C: AGE<=18  OR  AGE>24 D: AGE<18  OR  AGE>=24 E: AGE<18  OR  AGE>24

    设有关系表S(NO,NAME,AGE),其中AGE为年龄字段,则表达式 A: E  NOT  BETWEEN  18  AND  24  等价于: B: AGE<=18  OR  AGE>=24 C: AGE<=18  OR  AGE>24 D: AGE<18  OR  AGE>=24 E: AGE<18  OR  AGE>24

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