阅读下面短文并回答问题，然后将答案写到答案卡相应的位置上（请注意词数要求）。For most Americans, a clean glas,高中三年级,英语试题,序数词考点,好技网

阅读理解

阅读下面短文并回答问题，然后将答案写到答案卡相应的位置上（请注意词数要求）。
For most Americans, a clean glass of water is just a faucet (水龙头) away. But for many of the world’s poorest people, it’s hard to get.
2 On Wednesday, the United Nations (UN) marked World Water Day by trying to cut the number of people without good drinking water — one billion human beings worldwide — in half. In the next ten years, the UN will work with governments around the world to reduce the shortage.
Without clean water nearby, many people use water that is not clean. In India, many people bathe and wash their clothes in rivers that are polluted by human waste.
According to the UN, not having enough clean water and sanitation (卫生设施) causes more than three million deaths a year.
“The links between water and human health are powerful,” said Dr Lee Jong Wook, director-general of the World Health Organization (WHO). “We cannot live without clean water.”
In fact, the International Federation of the Red Cross said that quick reaction after last year’s Asian tsunami (海啸) had stopped disease. The agency provided clean water to nearly 500,000 people in Indonesia and Sri Lanka after the tsunami.
World Water Day was first celebrated in 1993. Since then, it is celebrated each year on March 22.
小题1:What is the best title of the passage? (No more than 8 words)
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小题2:Why can’t many people in the world get clean water? (No more than 10 words)
______________________________________________________________________________
小题3:Please translate the underlined sentence in the fourth paragraph into Chinese.
______________________________________________________________________________
小题4:What is the purpose of the writer to mention the tsunami in the sixth paragraph? (No more than 15 words)
______________________________________________________________________________
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小题5: In your opinion, what can we do to save water? Please make two suggestions. (No more than 25 words)
______________________________________________________________________________
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本试题 “阅读下面短文并回答问题，然后将答案写到答案卡相应的位置上（请注意词数要求）。For most Americans, a clean glass of water is just a faucet (水龙头) aw...” 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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