第二节：Allan, James，Brown, Della and Edward 正在查找网站来帮助他们解决问题。阅读第61至65题中的各人,高中三年级,英语试题,序数词考点,好技网

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第二节：Allan, James，Brown, Della and Edward 正在查找网站来帮助他们解决问题。阅读第61至65题中的各人情况说明和A至F六家网站的介绍，并从所给的（A、 B、 C、 D、 E、 F）中选出符合各人情况的最佳选项,并在答题卡上将该项标号涂黑。选项中有一项是多余选项。
61. Allan: The weather report said that a hurricane would hit the city. Tom wants to find information on how to protect his family from being destroyed during the hurricane.
62. James: Before learning about a butterfly, James was asked by his biology teacher to learn more about a butterfly in the process of doing research and then write a letter to humankind.
63. Brown: Thousands of animals around the world face extinction. Many more are threatened each year. Brown focuses on the situation of endangered animals and tried to understand how all living things are connected.
64. Della: Modern technology makes fishing easier. Yet overfishing has caused a lot of problems. China has taken some measures to solve the problem. Della wants to gain a deeper understanding of the effects of overfishing on some threatened species and tried to find out effective solutions.
65. Edward: Great leaders changed our lives. Edward, who studies politics, wants to find out detailed information about some famous political leaders of foreign countries.
A. http://www.net.org/marine/csb/
This site is devoted to saving the Chilean sea bass, or Patagonian toothfish, from extinction. It suggests actions people can take to protect the fish, and it offers the flash movie “Please Don’t Eat Me!”
B. http://www.uky.edu/Agriculture/Entomology/ythfacts/entyouth/
This site, created by the University of Kentucky Entomology(昆虫学) Department, provides photographs and facts about various insects we live with. You will find what you want to know about insects here.
C. http://www.mountvernon,org/learn /index.cfm/
This is the definitive(最完整可靠的) site for thoroughly researched historical data on President George Washington. The educational resources include biographical information, a feature(专题节目) on George Washington and slavery, electronic trading cards, and an online quiz.
D. http://www,artlex.com/
Here you will find definitions of more than 3,200 terms used in discussing visual culture, along with thousands of supporting images, pronunciation notes, great quotations, and cross-references.
E. http://www.fema.gov/kids/
This visually appealing government site teaches kids how to be prepared for disasters and prevent disaster damage. The site also tells teachers and parents what to do to help children after a disaster. It is appropriate for all ages.
F. http://www.nwf.org/
Find information on wildlife protection programs and wild animals through the articles, photos, quizzes, and games at this site. Learn how you can help protect wildlife which has close relationship to human beings.

本题信息：英语阅读理解难度一般来源:未知
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本试题 “第二节：Allan, James，Brown, Della and Edward 正在查找网站来帮助他们解决问题。阅读第61至65题中的各人情况说明和A至F六家网站的介绍，并从所给的（A、 B...” 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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