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高中三年级英语

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  • 完形填空
    Complete the following passage by using the words in the box. Each word can only be used once. Note that there is one word more than you need.
    A. generous    B. statistics     C. building   D. chance    E. addition
    F. contribute   G. annoying     H. current      I. further    J. structure
    Attracting donations is a chief concern for nonprofit organizations and projects. An effective, professional donation-request letter is a necessary tool for fund-raising. Researching possible donors and   小题1:   a database of names and organizations is one key to success, but the ability to write a donation-request letter has an even greater impact on successful fund-raising. The following are some tips/instructions.
    Research potential donors via the Internet. Research small companies in   小题2:   to large foundations. Sometimes a small local company will assist you in reaching your goal. A simple appeal to a public-spirited local firm may inspire a surprisingly   小题3: donation.
    Find the appropriate contact person. Address your letter to a real person who is in a position to entitle a donation. Beginning your letter with “To Whom It May Concern” or “Dear Country Market” stands little   小题4:  of attracting the attention of the right staff member.
    And then,   小题5:   the letter properly. Begin your letter with a vivid and readable description of your organization’s work, and highlight a recent success story. Continue with a few general   小题6: to impress the contact person with your organization’s efficiency and effectiveness. Next, describe in full the   小题7:  project or effort for which a donation is needed and who will benefit. Include all contact information, including telephone, fax and email, and end by inviting the person to contact you if any   小题8:  information is needed. Finally, hand on the letter to colleagues for proofreading and suggestions. 
    Keep careful records of donations and send thank-you letters. Donors often are willing to   小题9:  again if they are shown how their contribution was put to use. Follow-up letters can assist in this effort.

    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 “Complete the following passage by using the words in the box. Each word can only be used once. Note that there is one word more than you need.A. ge...” 主要考查您对

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


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