【单选题】【消耗次数：1】
直到型循环指的是（）。
①
while循环
②
for循环
③
do-while循环
④
if选择
参考答案：
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相关题目
【单选题】
C语言中while 和do-while 循环的主要区别是( )。
①
do-while 的循环体不能是复合语句
②
while 的循环控制条件比do-while 的循环控制条件严格
③
do-while 允许从外部转到循环体内
④
do-while的循环体至少无条件执行一次
【单选题】
C语言中while和do-while循环的主要区别是（ ）？
①
do-while的循环体至少无条件执行一次
②
while的循环控制条件比do-while的循环控制条件严格
③
do-while允许从外部跳转到循环体内
④
do-while的循环体不能是复合语句
【单选题】
下列关于for循环和while循环的说法中哪个是正确的？（ ）
①
while循环能实现的操作，for循环也都能实现
②
while循环判断条件一般是程序结果，for循环判断条件一般是非程序结果
③
两种循环任何时候都可替换
④
两种循环结构中都必须有循环体，循环体不能为空
【单选题】
在 DO WHILE … ENDDO循环结构中 ,EXIT 命令的作用就是
①
退出过程 , 返回程序开始处
②
转移到 DO WHILE语句行 , 开始下一个判断与循环
③
终止循环 , 将控制转移到本循环结构 ENDDO后面的第一条语句继续执行
④
终止程序执行
随机题目
【单选题】
Education and medical care are very ____ in theUnited States.
①
much
②
cheap
③
many
④
expensive
【单选题】
Since the road is wet this morning, ____ last night. ?
①
it must have rained ?
②
?it must rain ?
③
it must be raining ?
④
it must have been rained?
【单选题】
The factory is said ____ in a fire two years ago.
①
to have destroyed
②
to be destroyed
③
to destroy
④
to have been destroyed
【单选题】
The prices of the agricultural products have been ____ steadily in the past few years.
①
risen
②
raised
③
arisen
④
aroused
【单选题】
The organization has developed several techniques useful to other groups ____ the similar work.
①
to do
②
do
③
does
④
doing
【单选题】
____ it is you found, you must give it back to the person it belongs to.
①
That
②
Because
③
Whatever
④
However
【单选题】
If you don’t think it necessary to make ____ any missed lessons, speak up now.
①
up for
②
up with
③
up to
④
away for
【单选题】
No sooner had he sat down to lunch ____ there was a knock at the door.
①
when
②
that
③
as
④
than
【单选题】
When the teacher had ____through with the class, they felt very ashamed.
①
gone
②
got
③
done
④
taken
【单选题】
“Which of these two ties will you take?” “I’ll take ____to give me a change sometimes.”?
①
either ?
②
both ?
③
neither ?
④
all?