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高中三年级英语

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  • 完形填空
    阅读下面的短文,并根据短文后的要求答题(请注意问题后的字数要求)。
    1.People who drink a little, exercise, quit smoking and eat five servings of fruit and vegetables each day live on average 14 years longer than people who adopt none of these behaviors, researchers said on Tuesday . a collection of evidence has shown that these things contribute to healthier and longer lives, but the new study actually qualified their mixed effect, the British team said.
    2 .“These results may provide further support for the idea that even small differences in lifestyle may make a big difference to health, ” the researchers wrote in the journal plus medicine.
    3.Between 1993 and 1997 the researchers questioned 20,000 healthy British men and women about their lifestyles. they also tested every participant’s blood to measure  vitamin  C intake, an indicator(指标)of how much fruit and vegetables people ate.
    4.Then they assigned the participants-aged 45-79 a score of between 0 and 4,giving one point for each of the healthy behaviors. after allowing for age and other factors that could affect the likelihood of dying, the researchers found people with a score of 0 four times as likely to die.
    5.The researchers, who tracked deaths among the participants until 2006,also said a person with a health score of 0 had the same risk of dying as someone with score of 4 who was 14 years older.
    6.The lifestyle change with the biggest benefit was _____________ ,which led to an 80 percent improvement in health, the study found. This was followed by eating fruits and vegetables. drinking a little and keeping active brought the same benefits, Kay-tee Khaw at the university of Cambridge said. Do you have the four healthy living habits?
    小题1:What is the best title of the passage?(within 10 words))
    ________________________________________________________.
    小题2: Complete the following statement with proper words.( no more than 3 words)
    ________ is an important figure to show how much fruit and vegetables people ate.
    小题3:Fill in the blank in the last paragraph with a proper sentence.(within 3 words)
    _______________________________________________________.
    小题4:What should be encouraged according to the result of the research?(within 10 words)
    _______________________________________________________.
    小题5:What does the words “ these things”( line 4, paragraph 1) probably refer to? (no more than 15 words)
    ————————————————————————.

    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 “阅读下面的短文,并根据短文后的要求答题(请注意问题后的字数要求)。1.People who drink a little, exercise, quit smoking and eat five servings of frui...” 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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