I soon found that the work I was doing had already been done by someone else. .I was wasting my time.A．In other wordsB．In a wordC．First of allD．Believe it or not 题目和参考答案——青夏教育精英家教网——

题目内容

I soon found that the work I was doing had already been done by someone else.________，I was wasting my time.

A．In other words

B．In a word

C．First of all

D．Believe it or not

A

试题分析:考查固定短语。A换句话说；B总之；C首先；D信不信由你。根据句意可知前句话和后句话表达了相同的意思，所以答案选A。句意：我很快发现我在做的工作已经被别人做过了，换句话说，我在浪费时间。

练习册系列答案

读写双优阅读与写作专项训练系列答案

新课标指导系列答案

口算速算天天练系列答案

花山小状元小学生100全优卷系列答案

励耘书业试题精编系列答案

数学帮口算超级本系列答案

新新学案系列答案

勤学早好好卷系列答案

小学练习自测卷系列答案

阳光作业本课时优化设计系列答案

相关题目

The editor could have ____ the error before it was published; it was so obvious.

If the computer should_____ within the first three years, we would repair it at our expense.

During the war, people here _____ much pain.

A．are suffered

C．were suffered

D．had suffered from

At a rough estimate, Nigeria is ____ Great Britain.

A．twice big as

B．as twice big as

C．three times the size as

D．three times the size of

—How did she get infected?
—She _______ the viruses without any protection．

A．exposed to	B．had exposed to
C．was exposed to	D．been exposed to

The natural beauty of Jiuzhaigou ________ millions of tourists from all over the world every year.

Punishment is a term used to refer to any change that occurs after a behavior that reduces the likelihood that the behavior will occur again in the future. Punishment is focused on reducing or getting rid of unwanted behaviors. Punishment can be effective in some cases. 小题1: Prison is one example. After being sent to jail for a crime, people often continue committing crimes once they are away from prison.
Why is it that punishment seems to work in some instances, but not in others？Researchers have found a number of factors that contribute to how effective punishment is. First, punishment is more likely to lead to a reduction in behavior if it immediately follows the behavior. 小题2: It may help explain why sending people to jail does not always lead to a reduction in criminal behaviors.
Another factor is that punishment achieves greater results when it is consistently applied. 小题3:  For example, people often continue to drive over the speed limit even after receiving a speeding ticket. Why? Because the behavior is inconsistently punished.
小题4:  One of them is that any behavior changes that result from punishment are often temporary(暂时的). Perhaps the greatest one is the fact that punishment makes people not perform certain actions, but it does not actually offer any information about more appropriate or desired behaviors.
Another thing to consider about punishment is that it can have unintended and undesirable consequences. For example, approximately 75 percent of parents in the United States report hitting their children. 小题5:  For this reason, psychologists suggest that any short-term gains from using punishment should be weighed because it may produce potential long-term consequences.

A．Punishment also has some notable disadvantages.

B．Parents and teachers consider punishment an effective tool.

C．Prison sentences often occur long after the crime has been committed.

D．There are two types of punishment, positive punishment and negative punishment.

E. In fact, it can be difficult to administer a punishment every single time a behavior occurs.
F. However, you can probably think of situations where punishment does not reduce a behavior.
G. Researchers have found that this type of physical punishment can lead to antisocial behaviors among children.

Mom and Dad arrived back from vacation a day earlier 小题1:_______ expected. They could 小题2: _______ wait to surprise the boys but found the house was in a mess with garbage all over the places. Their dog, Spot, was tired 小题3:_______ hungry. But the money for dog food was gone. So they shouted at their elder son Daniel. Daniel felt angry 小题4:__________ he wasn’t given a chance to tell the truth.
In fact, 小题5:_________ their parents were away from home, their dog fell ill. The boys used the money to take it to the hospital and they had no time to clean the house.
Daniel shouted and ran into小题6:_______ bedroom. He shut the door angrily. Daniel’s younger brother Eric advised him to explain everything to their parents. Daniel didn’t think they deserved an explanation, saying that why they didn’t ask him what happened instead of shouting at him.
Mom felt that there may be a reason 小题7:______ the house was a mess and they may be too hard on Daniel. 小题8:_______, Dad said that Daniel was too rude and should be punished.