2022年中考英语复习ppt课件基数与序数词.pptx

1、 基数与序数词基数与序数词考点梳理1、考点：基数词的定义例句：There are twenty-five girls in our class.用法：表示 的数词称为基数词语法复习基数词的定义数目多少数目多少2、考点：基数词的构成1-12为独立的单词（）13-19都以teen结尾（13 18 19 ）20-90之间的整十都以ty结尾（20 40 50 ）20-90之间的几十几，先说几十再说几，个位和十位间要加连字符-（36 101-999：先说几百，再加and，再加末两位数或末位数（246 ）语法复习one,two,three,four,five,six,seven,eight,nine,te

2、n,eleven,twelvethirteeneighteennineteentwentyfortyfiftythirty-sixtwo hundred and forty-six2、考点：基数词的构成1,000以上的数，从后往前数，每三位加一个”,”，从后往前数，第一个”,”为thousand，第二个”,”为million，第三个”,”为billion。逗号中间按三位数读。1,211,573 语法复习4,189 15,362 285,643 1,000,000 3,367,982 11,000,000 198,764,502 four thousand,one hundred and eig

3、hty-nine fifteen thousand,three hundred and sixty-two two hundred and eighty-five thousand,six hundred and forty-three one millionthree million,three hundred and sixty-seven thousand,nine hundred and eighty-two eleven milion one hundred and ninety-eight million,seven hundred and sixty-four thousand,

4、five hundred and two one million,two hundred and eleven thousand,five hundred and seventy-three3、考点：基数词的用法例句：1.He has two hundred books.2.Hundreds of students go to the library.用法：用法：表示具体数目时，hundred,thousand,million用单数 表示“数百、数千、数百万”等不确定的数目时，在hundreds,thousands,millions后加 of+复数名词 语法复习五千辆车 六百万本书 成千上万的

5、人数以百计的苹果 five thousand carssix million booksthousands of peoplemillions of apples 小练：There are (million)of living things on the earth.millions3、考点：基数词的用法例子：Class Two Room 307 No.16用法：用法：表示编号注意：编号时，序号在前用序数词，序号在后则用基数词注意：编号时，序号在前用序数词，序号在后则用基数词例子：第一课 Lesson One=The first Lesson语法复习3、考点：基数词的用法例句：He went

6、to the UK in his twenties.The bicycle was invented in the 1880s.用法：用法：表示“几十”的基数词的复数形式可以用来表示岁数或者某个年代小练：My aunt became a nurse in her (twenty)and she still loves her job now.语法复习twenties3、考点：基数词的用法“基数词基数词+单数可数名词单数可数名词+形容词形容词”构成复合形容词，用于修饰名词构成复合形容词，用于修饰名词 an 8-year-old boy 一个8岁的男孩 a 300-meter-long bridg

7、e 一座长300米的桥“another+基数词基数词+可数名词复数可数名词复数”或或“基数词基数词+more+可数名词复数可数名词复数”表示表示再增加一定的数量再增加一定的数量 two more oranges=another two oranges 再来两个橘子语法复习4、考点：序数词的定义例句1.His father is as old as his mother.2.This picture is not so good as that one.用法：表示 的数词叫做序数词语法复习先后顺序先后顺序5、考点：序数词的构成第一到第三，分别是 ，需要特别记忆第四到第十九，除fifth,eigh

8、th,ninth,twelfth的拼写特殊外，其余都由相应的基数词加th构成（第七 ，第十三 ，第十九 ）20-90之间第几十的序数词由相应的基数词去y加ieth构成（第二十 ）21-99之间第几十几的序数词，十位用基数词，个位用序数词，中间用连字符-连接（第二十一 ，第六十八 ）语法复习firstsecondthirdsevenththirteenthnineteenthtwentiethtwenty-firstsixty-eighth 一二三特殊记一二三特殊记,结尾各是结尾各是t,d,dth从四起从四起,八八去去t,九九去去e,f来把来把ve替替遇到遇到y要要变变ie;若是遇到若是遇到几十

9、几几十几,只变个位只变个位就可以就可以【序数词记忆口诀】【序数词记忆口诀】【注意】序数词的缩写：first 1st second2nd third3rd fourth 4thninth 9th twenty-first 21st 【注意】序数词的缩写：first 1st second2nd third3rd fourth 4th ninth 9th twenty-first 21st 6、考点：序数词的用法例句：The second bus is coming.用法：用法：序数词表示顺序，其前面要加 ，其后接单数名词;但序数词前有其他修饰词时，the省略语法复习 This is my firs

10、t time to come to China.这是我第一次来中国。Jimmys mother took him to visit the Great Wall on his ninth birthday.Jimmy的妈妈在他九岁生日时带他参观了长城。小练：We will celebrate my grandpas (eighty)birthday.theeightieth6、考点：序数词的用法例子：十月二十日 October 20th用法：用法：序数词表示日期中的“日”小练：十一月一号 七月三号 。语法复习November first/1stJuly third/3rd6、考点：序数词的用法

11、 例句：Ive tried twice,but Ill try a third time.用法：序数词前加 ，表示再一，又一小练：()My aunt has only one child,and she wants child.A.the second B.a second C.two 语法复习Ba the+序数词与a+序数词的区别1.the+序数词 意思为“第几 ”2.a+序数词 意思为“再一次 ”e.g.John failed the test twice.But he would like to have try.约翰考试失败了两次，他想再试一次。Hainan is island in

12、China.海南是中国的第二大岛。当序数词表顺序，前有物主代词或者所有格时，不加the eg:Peppa Pig is my first favourite cartoon.注意a thirdthe second一、选择填空（）1.He got _ birthday cakes on his _ birthday.A.second;fifteenB.two;fifteen C.second;fifteenthD.two;fifteenth（）2.Now children,turn to Page _ and look at the _ pictures in Unit 1.Write it d

13、own next to the _ picture.A.Twentieth;twelfth;twice B.Twenty;twelfth;second C.Twenty;twelve;second D.Twentieth;twelve;two（）3.China is a great country with a history of about five _ years.Yes.And _ of foreigners come to visit it every year.A.thousand;thousand B.thousands;thousands B.thousand;thousand

14、s D.thousands;thousand（）4.There is panda in Shanghai Wildlife Park,A.one-month-old B.one-month old C.a one-month-old D.an-one-month-old 当堂检测DCCC 二、词汇运用1.The managers room is right above mine.Its on the _(three)floor.2.There are some bikes over there.The (five)one is mine.3.My birthday is on the (twe

15、nty)of September.4.This is my (two)day in Beijing.5.You have tried .Please try a third time,OK？当堂检测thirdfifthtwentiethsecondtwiceWhy does a pigeon(鸽子)with an olive branch(橄榄枝)in its mouth mean peace(和平)?The Great Flood(洪水)lasted(持续)for 150 days.Noahs family and all the animals were in a big ship.One

16、 day,the rain stopped.Noah sent a crow(乌鸦)out of the big ship,but it didnt come back.Then Noah sent a pigeon and the pigeon came back after seven days.Noah knew the land was far away.Another seven days passed,Noah sent the pigeon out of the big ship again.In the evening the pigeon came back with a g

17、reen olive branch in its mouth.This time Noah knew the land was near.He was very happy.Noah and his family and all the animals got out of the big ship when they reached the land.They built houses and started to farm.Noah had many sons and daughters.The animals and trees all grew up,and the land was

18、colourful again.People think both the pigeon and the olive branch mean a peaceful land and a peaceful life.So they draw a picture of a pigeon with an olive branch in its mouth to show their love for peace.课后拓展()1The Great Flood lasted for _.A150 years B120 daysCfive monthsDfour months()2Noah knew th

19、e land was far away because _.Athe crow came back after seven daysBthe crow didnt come back with an olive branchCNoahs family and all the animals were in a big shipDthe pigeon came back after seven days()3Noah knew the land was near because _.Athe pigeon flew back with a green olive branch in the ev

20、eningBthe pigeon flew back after seven daysCthe crow came backDhe heard the birds singing()4Noah and his family _ after they reached the land.Alived a rich life Bhad nothing to doCworked hard to build their new homeDleft the land with some of the animals课后拓展ADACLife is not easy.So I say,“When anythi

21、ng happens,believe in yourself.”When I was a young boy,I was t_ _ shy to talk to others.My classmates often laughed at me.I was so sad but could do nothing.Later,s_ _ _ happened,and it changed my life forever.There was an English speech contest(比赛)at school.My mother encouraged me to take part in it

22、.What a terrible idea!It meant that I had to speak in f of all the teachers and students of my school!“Come on,boy.Believe in yourself.You are sure to w .”Then my mother and I talked about many different topics.At last I chose the topic“Believe in yourself”.I tried my best to remember the whole spee

23、ch and practised it over 100 t .With my mothers great love,I did w in the contest.I could hardly believe my e when the news came that I won the first place.I heard the cheers(赞美)f_ _ the teachers and students.Those classmates who once looked down on me now all said“Congratulations!”t_ me.My mother hugged me and cried excitedly.Since then,everything has changed for me.When I do something,I tell m_ to be sure that I can do it.This is true not only for me but also for everyone.课后拓展rontomethingimesinooellarsromoyself