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高中三年级英语

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    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.

    本题信息:英语完形填空难度一般 来源:未知
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序数词

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  • 序数词

序数词的概念:

表示顺序的数称为序数词。如:first, second, third, fourth。


序数词的构成与用法

1、序数词的构成:
①一般来说,是由相应的基数词加词尾th构成。
   例:four+th→fourth
           six+th→sixth
           seven+th→seventh
           ten+th→tenth
②下面这些基数词在变为序数词时,有特殊的变化。
例:one→first
        two→second
        three→third
        five→fifth
        eight→eighth
        nine→ninth
        twelve→twelfth
③十位整数序数词的构成方法是将基数词的词y变成i,然后再加eth。
例:twenty→twentieth
        thirty→thirtieth
        forty→fortieth
        ninety→ninetieth
④两位或两位以上的基数词变成序数词时,仅将个位数变成序数词。
例:twenty-one→twenty-first
        thirty-five→thirty-fifth
        a hundred and fifty-three→a hundred and fifty-third

2、序数词的用法:
①序数词在使用时,一般加上定冠词。
例:the first book
        the second floor
        the third day
        the fourth week.
②序数词在多数情况下都用作定语,有的也可以作表语、主语和宾语。
例:The may1st is Labour Day. 五月一日是劳动节。
        My room is on the second floor. 我的房间在二楼。
        The first is larger than the secon.(主语)第一个比第二个大。
        Read the book from the first.(宾语)从开头读这本书。
        You'll be the sixth to write.(表语)你将是第六个写的。
③序数词的前面可以加上不定冠词,用来表示“再一”,“又一”的意思。
例:You may have a third try. 你可以第三次尝试。


序数词知识体系:

 


约数的表达方法

用tens/dozens/scores/hundreds/thousands/millions of 表示“几十、几百、上千、成千上万”等。
如:The boy bought dozens of pencils.            
        Thousands of people died in the earthquake.
注意: (A):dozen, score, hundred, thousand, million等表示确切数量时,不用复数。
如:five dozen (of) eggs   五打鸡蛋
        hree hundred people  三百个人

分数词的构成和用法:

1)分数词构成法:
分数词(FractionalNumerals)由基数词和序数词构成,基数词代表分子,序数词代表分母。除了分子为1的情况下,序数词都要用复数形式:
如:1/4:one-fourth
        5/9:five-ninths
        2/3:two-thirds
       17/5:three and two-fifths
       7/12:seven-twelfths
       379/8:forty-seven and three-eighths
此外还有下面表示法:
如:1/2:a(one) half
        1/4:a(one) quarter
        3/4:three-quarters
        9/4:two and a quarter
        3/2:one and half
        31/4:seven and three quarters