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高中三年级英语

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    The next long vacation might be still months away, but it’s never too early to tailor a good travel plan.
    Planning ahead with discount air tickets and hotel booking sites may bring you the prize of an overseas adventure. Here, 21st Century offers some tips on how to plan a cheap, creative travel route.
    Book a budget flight
     小题1:  Discount airlines tend to increase their fare as the plane fills up and early reservations are usually rewarded with the lowest fares.
    Most major domestic airlines offer discount tickets for off-peak travel. China Southern Airlines now provides favorable group purchase ticket deals to attract tourists to cities like Hong Kong and Guilin.   小题2: 
    Another way is to search for a cheap ticket on the websites of low-cost airlines, which offer you very low fares though less comfort.
    The budget airline has a long history in the West. It’s also called a no-frills carrier(经济型航班)for doing away with traditional free services, such as food and drinks. They charge you extra for catering on board, or securing a seat.   小题3: 
    Popular airline routes
    Air Asia: The Malaysian-based airline flies form seven cities in China including Tianjin, Guangzhou, Chengdu, Chongqing, Hangzhou, Guilin and Shenzhen in the Chinese mainland, and provides trips to cities such as Paris and London.   小题4:  Many tickets are priced under 1500 yuan.
    Southwest Airlines: If you go traveling in the US you can take this low-cost airline based in Texas.
    Find a cheap 5-star service hotel
     小题5:  It’s a great idea to look for YHA(Youth Hostels Associa-tion)backpackers, or Bed & Breakfast deals online.
    A.It can transfer you to most South East Asian countries.
    B.So you have to read more discount information before boarding.
    C.The key to getting any good-priced plane ticket is to reserve the flight early.
    D.So it’s wiser to take hand luggage because many budget airlines put a fee on checked in luggage.
    E. Air China and Beijing Capital Airlines offer tickets with as much as 75 to 80 percent discounts.
    F. Like airline tickets, the price for a budget hotel depends on when you book it: the earlier, the cheaper.
    G. Get your holiday off to a flying start by booking a cheap flight to hundreds of destinations ebookers offers.

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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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