continue命令只用在for、while、do-while等循环体中

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• int i= 1， j= 10 ；   do （   if （i++> --j） continue；  ） while （i<5）；   After execution， what are the values for I and j？ （）

  A .  i = 6 and j= 5 B .  i = 5 and j= 5 C .  i = 6 and j= 4 D .  i = 5 and j= 6 E .  i = 6 and j= 6

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• int i = 1，j = 10；  do{  if （i>j） {  continue；  }  j--；  } while （++i <6）；  System.out.println（“i = “ +i+” and j = “+j）；  What is the result？（）  

  A .  i = 6 and j = 5 B .  i = 5 and j = 5 C .  i = 6 and j = 4 D .  i = 5 and j = 6 E .  i = 6 and j = 6

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• do…while语句的循环体至少执行1次，while和for循环的循环体可能一次也不执行。

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• Major corporations like Hershey have expanded their chocolate lines by purchasing smaller producers known for chocolates, while independentchocolatiers continue to flourish as well.

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• 以下是应用continue命令的一种示例结构continue命令一旦被执行，while命令即被终止d220bd38ab8bd8ca87090f4eca5374c3.jpg

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• 三种循环 (while语句、 for语句、 do-while语句)都可以用来处理同一个问题,一般它们可以相互代替 。 （ )

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• 下面关于循环语句for、while、do-while的叙述，正确的是（ ）。

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• 下面程序段__________。x=3;do{y=x--;if(!y){printf(“x”);continue;}printf(“#”);}while(1<=x<=2);

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• 下列关于while循环、do－while和for循环的说法错误的是（)

  A、while循环条件判断，do-while循环先执行循环操作 B、do-while循环结束的条件是关键字while后的条件表达式成立 C、for循环结构中的3个表达式缺一不可 D、while循环能够实现的操作。for循环也都能实现

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• 3、执行程序段： int x=6; do { if（x%3) {cout＜＜''; continue;} } while（x--);

  A．将输出 B．将输出 C．将输出 D．将输出

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• 以下程序执行后的输出结果是()includeint main(){int i,n=0;for(i=2;i<5;i++){do{if(i%3) continue;n++;}while(!i);n++;}printf("n=%d\n",n);return 0;}

  A．n=2 B．n=4 C．n=3 D．n=5

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• In the United State, while inviting guests over for dinner, what do the hosts usually do？

  A.Constantly put food on the visitor’s plate. B.Prepare a lot of more food than deeded. C.Leave the guests to help themselves. D.Urge the guests to drink a lot.

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• 下面程序段执行后，n的值是（）。 int i, n=0; for（i=2; i＜5 ; i++) { do if（i%3) continue; n++; } while（!i);＞ A、5

  B、2 C、3 D、4

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• A good night's sleep may help your brain permanently file away lessons learned during the day. But, according to a new study, the brain begins processing and storing those memories long before it's time for bed-and continues to do so even while you're thinking about and doing other things.

  Recent studies have shown that the parts of the brain that we use to learn a task become active again during sleep. This activity, scientists suggest, could be the brain transferring memories from short-term to long-term storage. But the brain doesn't necessarily wait until the lights are out to begin processing those memories. To find out how the brain handles memories during waking hours, scientists gave 15 volunteers two tasks, each requiring different parts of the brain to learn. In one task, the subjects learned how to navigate a virtual town and then searched the town for an object. In the second task, they learned to predict where a sequence of dots would appear on a screen. Using a special machine, the researchers scanned the volunteers' brains right before and right after the tasks. They compared the two images to see whether the regions of the brain involved in learning the task were still active even after the task was completed. After a break, the scientists took a third image of each participant's brain. They wanted to determine whether these regions in the brain continued to be active after snore time had passed. They discovered that, for at least an hour after learning a task, the brain stays active. It appears to continue processing the new information. Furthermore, the images showed that distracting the subjects doesn't affect their ability to store memories. The processing continues even when they're thinking about or doing other things. Some scientists say this could mean that sleep isn't essential for storing memories. Others disagree. Until that's settled, it's probably still better to be on the safe side, getting plenty of sleep. According to the passage, ______. A．a good night's sleep helps your brain permanently file away lessons learned during the day. B．the brain has to wait until the lights are out to begin processing those memories C．perhaps it's safe for anyone to get plenty of sleep when it has not been proved unnecessary for memory D．attracting the subjects doesn't affect their ability to store memories.

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• 有以下程序main（){int i=0,s=0； do{if（i%2){i++;continue;}i++；s+=i;}while（i＜7)； printf（"%d\n"

  有以下程序 main() { int i=0,s=0； do{ if(i%2){i++;continue;} i++； s+=i; }while(i＜7)； printf("%d\n"，s)； } 执行后输出结果是 A．16 B．12 C．28 D．21

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• 下面程序的输出结果是什么？ class Happy { public static void main（String args[]) { int i =1; int j = 10; do { if （i＋＋< j－－) continue; } while （i<5 ); System.out.println （i＋" "＋j ); } }（）

  A.5 5 B.5 4 C.6 4 D.5 6

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• 7、只有for语句才能进行循环嵌套，while语句和do...while语句不能进行相互嵌套。

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• 用for循环实现输出1-100的结构也可以用while或do while结构替换实现该功能（）

  是 否

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• 下列程序段 x=3; do{ y = x--; if （!y ) { printf（”x”); continue; } printf（””); } while（1＜=x＜=2);＜br＞ A、输出

  B、输出 x C、是死循环 D、有语法错

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• Java 语言的循环语句包括for 语句、do-while 语句和do-while 语句，先循环后判断，循环至少被执行一次的是 【11】 。

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• 1、分别用while语句、do-while语句和for语句来求和。

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• 13、while 语句时还有另外两个重要的命令 continue，break 来跳过循环，continue 用于跳过该次循环，break 则是用于退出循环

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• 有以下main（）{ int i,n=0;for（）{ do{ if（）continue;n++;} while（）;n++;}printf（）;} 执行后的输出结果是（）

  A．n=5 B．n=2 C．n=3 D．n=4

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• 在窗体上画一个命令按钮和一个文本框，其名称分别为Command1和Text1，然后编写如下事件过程： Private Sub Command1_Click（) Dim inData As String Text1. Text="" Open "d: myfile. txt "For______As 1 Do While ______ Input 1，inData Text1. Text=Text1

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