《2021学年八年级英语寒假讲义(人教版)》第3讲-数词介词 解析版

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3讲 数词介词
一、课前热身
根据首字母填空。
1In the picture, he sits b______me, looking very happy.
2The high-speed train b Qingdao and Beijing travels faster now. The train ride takes only about three hours.
3.—Do you have this T-shirt in a different color?
—I'm afraid not. It only comes i red.
4Most of the villagers took part in the Dragon Boat races 900a. m. the morning of Jun 7.
5Beijing Expo 2019 opened to the public ________ 29th April. It will last over five months.
6If you have a sore throat, you could drink some hot tea _____honey.
7.—Look, there is a cute bird, Mom.
—It flew into our kitchen the window just now, Alex.
8The bright sunlight comes into the room ______the window.
9Nora opened the box. To her surprise, ______ was a gold watch.
10It's very kind ___________ you to lend me your reusable shopping bags.
【答案】1.beside 2. between 3. in 4. at; on 5. on 6.with 7. through 8. through 9. inside 10.of
二、写出下列基数词的序数词及其缩写形式
(1) one ________ ________   (2) two ________ ________  
(3) three ________ ________   (4) five ________ ________ 
(5) nine ________ ________ (6) twelve ________ ________
(7) thirty ________ ________ (8) forty-one ________ ________  
(9) seventeen ________ ________  (10) twenty-six ________ ________  
【答案】(1first1st 2second2nd 3third3rd 4fifth5th 5ninth9th 6twelfth
12th 7thirtieth30th 8forty-first41st 9seventeenth17th 10twenty-sixth26th  
二、知识梳理
数词
一、基数词和序数词的含义、构成及用法
1、基数词:
基数词的构成:
11—12 的基数词是独立的单词
[典例]onetwothreefourfivesixseveneightnineteneleventwelve
213—19 的基数词以-teen 结尾
[典例]fourteenseventeen 等,131518 较特殊13—thirteen 15—fifteen 18—eighteen
320—90 的整十位均以-ty 结尾
[]sixtyninety2030405080 20—twenty 30—thirty 40—forty 50—fifty 80—
eighty
4)十位数与个位数之间要加连字符“-”
[典例]28—twenty-eight96—ninety-six
5)百位和十位之间加 and
[典例]148—one hundred and forty-eight 406—four hundred and six
6hundred百)thousand(千),million(百万)billion十亿)等前面即使有具体的数词,也
能在它们的后面加 s
[典例] 600—six hundred,八百万—eight million
2、序数词:
序数词的构成:
1)序数词一般是以与之相应的基数词尾加-th 构成,但以下的这些基数词变为序数词时,有特别之处:
.one--- first, two --- second, three --- third, five --- fifth, nice --- ninth, twelve --- twelfth
② 以-ty 结尾的单词, 要先变 yi, 在加-eth.
[典例]thirty ---thirtieth, fifty ---fiftieth
. one, two, three 等结尾的多位数词, 要将各位数变成序数词
[典例]twenty-one --- twenty-first, one hundred and one --- one hundred and first
★(2)序数词前,一般要用定冠词 the,如果序数词前用 aan,则表示“又一,再一”。
We'll go over it a second time.我们会再仔细检查一遍。
We've tried it three times. Must we try it a fourth time?
我们已经试过三次了,还必须再试一次(第四次)吗?
帮助记忆口诀:基变序,有规律。一二三,特殊记,结尾字母 tdd 。九减 e 来 八去 tve 要用 f 替。
3.
例题精讲
一、读出并写出下列日期
(1) 1949 10 1_______________________________
(2) 1927 73_______________________________
(3) June 4th eighteen eighty-nine _______________________________
(4) November 30th, sixteen ninety-nine _______________________________
(5) January 2nd, seventeen fifty-one _______________________________
【答案】(1December 1st, nineteen forty-nine
2July third, nineteen twenty-seven
31889 64
41689 11 30
51751 12
二、词适当形式填空
1. I think the ________(twelve) lesson is the most interesting one in the book.
2. My father is now in his ________(fifty), but he is still taking some computer courses.
3. There are ________(thousand) of people who are losing jobs and they are wondering what to do.
4. China is almost ________(two) the size of Mexico in area.
5.Welcome to my ________ (13) birthday party. 
【答案】1. twelfth 2. fifties 3. thousands 4. twice/double 5.thirteen
三、根据提示词填入适当的单词。
1. I have tried (两次), but I'll try (再一次).
《2021学年八年级英语寒假讲义(人教版)》第3讲-数词介词 解析版.docx

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