【单选题】【消耗次数：1】
Whatwereyoudoing ______ therainstormcame?
①
while
②
when
③
before
④
after
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相关题目
【判断题】
In English, the colon is used after the verb of saying and before a quotation.
①
正确
②
错误
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When he came back after an absence of 20 years, he found his hometown completely ____. ?
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changing ?
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to be changed ?
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to change ?
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changed ?
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Before the final examination, many students have shown ___ of tension. Some have trouble in sleeping while others have lost their appetite.
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anxiety
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marks
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signs
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remarks
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When you do exercises, your heart works better. It is able to____ more blood while beating more slowly.
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produce
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pump
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increase
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bump
【单选题】
C语言中while与do-while语句的主要区别是（ ）。
①
do-while的循环体至少无条件执行一次
②
do-while允许从外部跳到循环体
③
while的循环体至少无条件执行一
④
while的循环控制条件比do-while的严格
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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
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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
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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
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do-while的循环体不能是复合语句
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15. While I like the dress very much, I cant afford it. The word “while” means ______.
①
when
②
although
③
as long as
④
whereas
【单选题】
It was ___ back home after the experiments.
①
not until midnight did he go
②
until midnight that he didn’t go
③
not until midnight that he went
④
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随机题目
【单选题】
本课提到，人们因为惧怕惩罚，免于去做坏事，但是没有羞耻心，甚至仍然想方设法的去做坏事而免于法律的制裁，这叫做（）。
①
恬不知耻
②
投机取巧
③
免而无耻
④
免而知耻