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高中二年级英语

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    根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中的两项为多途选项。
    Teenagers learn by taking on more and more responsibility gradually. For many parents, this involves giving their children a limited amount of control over financial decisions. 
    If you give your teen some pocket money regularly, take the time to teach them how to manage their money.   1  Consider providing extra income opportunities to help them learn that money is something you earn, not something you can get for nothing.
    2   Discuss with them such issues as what the car can be used for, who is responsible for gas and maintenance, and who can actually drive the car. Show them how auto insurance works.
    Get them involved with your day-to-day personal finance decisions, such as grocery shopping.   3  Show them how to comparison shop, pointing out how much money you save through comparing prices and using coupons. Let them sit with you while you pay the bills, so they can see how much all the monthly expenses add up to.
    Encourage teens to save their money toward a major purchase. Besides, you can offer to reward them for their savings.  4 
     You might even consider showing them your bills when you pay them. Too often, young adults who get their first credit card consider it as free money and find themselves in debt very quickly. Make them understand that the $50 they charge today costs a lot more if they don’t pay it off quickly.
    A.Another effective tool is to get them involved in the car buying process.
    B.It’s easier to spend money than to earn it.
    C.Finally, it is important to show teens how credit cards work
    D.Establish an agreement on what the pocket money covers.
    E. This is a great way to teach them the relationship between building a savings account and the positive rewards that follow.
    F. Without money, you can’t do anything.
    G. Have them help you with the grocery list.

    本题信息:英语完形填空难度一般 来源:未知
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本试题 “根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中的两项为多途选项。Teenagers learn by taking on more and more responsibility gradual...” 主要考查您对

序数词

等考点的理解。关于这些考点您可以点击下面的选项卡查看详细档案。
  • 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


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