4_專題四　數(shù)詞

1、欄目索引專題四數(shù)詞專題四數(shù)詞欄目索引總綱目錄考點一 基數(shù)詞考點二 序數(shù)詞總綱目錄總綱目錄欄目索引考點突破考點一考點一 基數(shù)詞基數(shù)詞命題檔案命題檔案1.(2018河南平頂山一模)There are A students in this school; stu-dents are girl students and the others are boy students.A.hundreds of;two hundred B.hundreds of;two hundredsC.hundred of;two hundred D.hundred of;two hundreds答案答案 A句意:這個學(xué)校

2、有數(shù)以百計的學(xué)生,兩百個學(xué)生是女生,其他的學(xué)生是男生。本題考查數(shù)詞。hundreds of數(shù)以百計的;基數(shù)+hundred,根據(jù)句意可知答案為A項。考點突破欄目索引考點突破2.(2017河南平頂山一模)I am doing Question D . How about you?I am doing the question.A.31;18B.31st;18thC.31st;18D.31;18th答案答案 D句意:我在做問題31,你呢?我在做第18個問題。本題考查數(shù)詞。第一設(shè)空處因在Question后故應(yīng)用基數(shù)詞;第二設(shè)空處因前有定冠詞the,故應(yīng)用序數(shù)詞,故答案為D項。欄目索引考點突破3.In

3、 this exam,youre asked to write a composition of about C .A.90-words B.90-wordC.90 wordsD.90 words答案答案 C句意:在這次考試中你要寫一篇90詞左右的作文。本題考查數(shù)詞。a composition of about 90 words一篇90詞左右的作文,故選C。欄目索引考點突破4.Its never too old to learn. Tom began to learn English in his D .A.the fiftieth B.fiftieth C.fifty D.fifties答案

4、答案 D句意:活到老,學(xué)到老。Tom在他五十多歲的時候開始學(xué)英語。 本題考查數(shù)詞的用法?！癷n ones+逢十?dāng)?shù)字的復(fù)數(shù)形式”表示“在某人多歲時”。故D項正確。欄目索引考點突破191119整十整十之間oneelevententwotwelvetwentytwenty-twothreethirteenthirtythirty-threefourfourteenfortyforty-fourfivefifteenfiftyfifty-fivesixsixteensixtysixty-sixsevenseventeenseventyseventy-seveneighteighteeneightyei

5、ghty-eightninenineteenninetyninety-nine名師精講名師精講基數(shù)詞的構(gòu)成和用法1.基數(shù)詞的構(gòu)成基數(shù)詞用來表示精確的數(shù)量,100以下基數(shù)詞:欄目索引考點突破2.基數(shù)詞的用法(1)在表示“幾百、幾千、幾百萬”等確切的數(shù)字時,直接用“基數(shù)詞+hun-dred/thousand/million”;表示“成百、數(shù)千、上百萬”等不確切的數(shù)字時,則用hundreds/thousands/millions of表達。如:There are two hundred people in the hall.大廳里有200個人。There are hundreds of people

6、 in the hall.大廳里有數(shù)以百計的人。(2)表示“不確切歲數(shù)或年代”用幾十的復(fù)數(shù)形式,結(jié)構(gòu)為“in+ones+整十欄目索引考點突破的復(fù)數(shù)”,“in+the+年代-s”。如:He became a professor in his forties.他四十多歲時成了一名教授。It was in the 1960s.那是在20世紀60年代。(3)表示順序。由“單數(shù)名詞+基數(shù)詞”構(gòu)成,此時名詞和基數(shù)詞的第一個字母需大寫。如:Grade Nine九年級;Room 105 105房間欄目索引考點突破考點二考點二 序數(shù)詞序數(shù)詞命題檔案命題檔案1.(2018河南新鄉(xiāng)衛(wèi)輝二模)China is suc

7、h a big country.You are right.But B of the population farmers.A.three fifths;isB.three fifths;areC.three fifth;isD.three fifth;are答案答案 B句意:中國是如此大的一個國家。你說的對。但人口的五分之三是農(nóng)民。本題考查數(shù)詞。根據(jù)句意可知答案為B項。欄目索引考點突破2.(2017河南許昌一模)How old is Mary?She is having her C birthday this weekend.A.fourB.the fourC.fourthD.the fou

8、rth答案答案 C句意:瑪麗多大了?這個周末她將過四歲生日。本題考查數(shù)詞。根據(jù)句意可知,答案為C項。欄目索引考點突破3.Doris lives on the D floor. Its too high, so she has to take a lift every day.A.fourB.fourthC.fortyD.fourteenth答案答案 D句意:Doris住在第十四層。樓層太高,因此她不得不每天坐電梯。表示第幾層用序數(shù)詞,排除A、C項;fourth“第四”,fourteenth“第十四”。根據(jù)句意可知選D。欄目索引考點突破4.How many friends will come t

9、o your D birthday?About .A.fifteen;fifteen B.fifteenth;fifteenthC.fifteen;fifteenth D.fifteenth;fifteen答案答案 D句意:有多少朋友會來慶祝你的15歲生日?大約15人。本題考查基數(shù)詞和序數(shù)詞的用法。表示“歲生日”用“序數(shù)詞+birth-day”,故可以排除選項A和C。第二個空回答How many應(yīng)用基數(shù)詞。由此可知答案為D。欄目索引考點突破名師精講名師精講序數(shù)詞的構(gòu)成和用法1.序數(shù)詞的構(gòu)成序數(shù)詞用來表示順序,一般在基數(shù)詞后加后綴-th構(gòu)成,但也有特殊的情況。欄目索引考點突破基數(shù)詞序數(shù)詞數(shù)字寫法

10、onefirst1sttwosecond2ndthreethird3rdfourfourth4thfivefifth5thsixsixth6thsevenseventh7theighteighth8thnineninth9thtententh10theleveneleventh11thtwelvetwelfth12thtwentytwentieth20thtwenty-onetwenty-first21st欄目索引考點突破twenty-threetwenty-third23rdtwenty-fourtwenty-fourth24thone hundredone hundredth100thone hundred and oneone hundred and first101st注意:基數(shù)詞變序數(shù)詞口訣基變序,有規(guī)律,詞尾常加-th;一、二、三特殊記,詞尾字母t,d,d。八減t,九減e,f來把ve替。-ty結(jié)尾變-tie。若是遇上“幾十幾”,只變個位就可以。欄目索引考點突破2.序數(shù)詞的用法在使用序數(shù)詞時