（廣東專用）2019年中考英語總復習第2部分語法專題復習專題四數(shù)詞課件人教新目標版

1、專題四數(shù)詞,2019 全新版,分析廣東近6年中考真題可知，數(shù)詞是單項填空的必考點之一(1分)?；鶖?shù)詞主要考查編號、年齡及概數(shù)等基本用法，序數(shù)詞主要考查不規(guī)則變化數(shù)詞的基本用法(2018年考查了分數(shù)表達法)。其命題規(guī)律為： 高頻考點：基數(shù)詞(6年3考；題型：單項填空) 序數(shù)詞(6年2考；題型：單項填空) 冷考點：分數(shù)表達法(6年1考；題型：單項填空,考點精講,易錯盤點,解題技巧,試題精練,1. 基數(shù)詞的構(gòu)成 (1)112的寫法無規(guī)律，需單獨記憶：one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve。 (

2、2)1319由39加后綴teen構(gòu)成。如：fourteen, sixteen, seventeen; 其中thirteen, fifteen, eighteen為特殊形式,考點精講,考點 基數(shù)詞(6年3考,3)2090之間的整十數(shù)由29加后綴ty構(gòu)成。如：sixty, seventy, ninety；其中twenty, thirty, forty, fifty, eighty為特殊形式。 (4)2199之間的兩位數(shù)(整十數(shù)除外)是在十位數(shù)和個位數(shù)之間添加連字符“”。如：74(seventyfour); 89(eightynine,5)百位數(shù)以上的寫法為：在個位數(shù)和十位數(shù)之間加連字符，在百位數(shù)與

3、十位數(shù)之間加and，千、百之間不加任何詞或符號。如：765(seven hundred and sixtyfive); 1,275(one thousand two hundred and seventyfive)。 (6)1000以上的數(shù)：先將數(shù)字從右往左數(shù)，每三位用一個逗號隔開，從右往左依次讀作thousand (千), million (百萬), billion (十億)。如：18,657,421(eighteen million, six hundred and fiftyseven thousand, four hundred and twentyone,2. 基數(shù)詞的基本用法 (1

4、)hundred, thousand, million, billion前有具體的數(shù)字修飾時，其本身要用單數(shù)形式且不和of連用；在表示不確切的數(shù)字時，要使用其復數(shù)形式，且要與of連用，此時其前可以用a few, many, several等修飾。hundreds of 數(shù)以百計的，thousands of 數(shù)以千計的。如： The computer only cost me two thousand yuan. 這臺電腦僅花了我2000元。 Thousands of trees must be planted every year. 每年必須種植數(shù)千棵樹,2)表示“幾十”的基數(shù)詞的復數(shù)形式可以

5、用來表示某人的歲數(shù)或年代。如： in his forties 在他40多歲時； in the 1980s在20世紀80年代 (3)表示年齡：基數(shù)詞：Her daughter is sixteen. 她的女兒16歲。 at the age of基數(shù)詞：Her daughter is at the age of sixteen. 她的女兒16歲。 基數(shù)詞years old: Her daughter is sixteen years old. 她的女兒16歲,基數(shù)詞yearold(作定語)：A threeyearold boy is playing on the playground. 一個三歲的

6、小男孩正在操場上玩。 (4)another基數(shù)詞名詞復數(shù)基數(shù)詞more名詞復數(shù)。如： We need another two chairs. We need two more chairs. 我們還需要兩把椅子。 (5)表示時刻。有兩種方法：直接表達法，即順讀法。如：7：05讀作seven five; 7：30 讀作seven thirty 間接表達法，即倒讀法。如：8：30 讀作half past eight; 8：45讀作a quarter to nine,6)倍數(shù)的表達法：twice兩倍； 三倍及以上，則用“基數(shù)詞times”表達。如：four times四倍 (7)表示年、月、日：一月

7、 January；二月February；三月March；四月April；五月May；六月June；七月July；八月August；九月September；十月October；十一月November；十二月December 年和年代用基數(shù)詞，如：1997 讀作nineteen ninetyseven,注意整點一般用“基數(shù)詞oclock”。如：2：00 (two oclock,表示“某日”時，書寫形式可以用基數(shù)詞，也可以用序數(shù)詞；讀時一般按序數(shù)詞形式。英語中年、月、日的順序為：月日年或日月年。如果用of結(jié)構(gòu)只能是：日月年。如： 2017年8月8日(August 8(th), 2017或8(th)

8、August, 2017或the 8th of August, 2017) (8)百分數(shù)表示法：百分數(shù)通常用“基數(shù)詞percent”表示， 常構(gòu)成短語“基數(shù)詞percent of,拓展1.表示編號：名詞(首字母大寫)基數(shù)詞(首字母大寫)the 序數(shù)詞(首字母小寫)名詞(首字母小寫)名詞(首字母大寫)數(shù)字。如：Unit Fivethe fifth unitUnit 5 第五單元 2世紀、年代的表達法：在18世紀(in the eighteenth century); 在20世紀90年代(in the 1990s,1. (2016廣東)Please turn to Page _and take a

9、 look at the picture on it. Athe EightiethBEightieth CEighties DEighty ()2. (2014廣東)Its never too old to learn. Karl Marx began to learn English in his_. Athe fiftiethBfiftieth CfiftyDfifties,D D,3. (2013廣東)Excuse me, sir. Heres a package for Lin Tao. Which room does he live in? _. A308 RoomBRoom 30

10、8 CThe Room 308 DThe 308 Room ()4. (2018汕頭市潮南區(qū)模擬)School safety has become one of the hottest topics recently. I think so. It receives _ Internet hits (點擊) a day. AthousandsBthousand of Cthousands ofDten thousands,B C,5. The old man began to learn to drive a car at the age of _. AsixtyBthe sixtieth C

11、sixty years old Dsixties,A,1. 序數(shù)詞的構(gòu)成 序數(shù)詞的構(gòu)成是以基數(shù)詞為基礎(chǔ)，第四到第十二一般是在基數(shù)詞詞尾加th；第一(first)、第二(second)、第三(third)、第五(fifth)、第八(eighth)、第九(ninth)、第十二(twelfth)比較特殊。以ty結(jié)尾的整十數(shù)，y變i再加eth, 如twentieth第二十， ninetieth第九十。若是表示第幾十幾，只把個位變?yōu)樾驍?shù)詞。如twentyfirst第二十一,考點 序數(shù)詞(6年2考,巧學妙記基數(shù)詞變序數(shù)詞口訣： 基變序，有規(guī)律，末尾加上th；一二三，特殊記，面目全非要注意； 八加h，九去e

12、，ve要用f替；以y結(jié)尾變ie，后跟th莫忘記； 若想表示幾十幾，只變個位就可以,2. 序數(shù)詞的基本用法 (1)表示順序時序數(shù)詞前常加the。如：on the third floor在三樓；in the 21st century 在21世紀 (2)序數(shù)詞前若有物主代詞或其他修飾語時，則不加任何冠詞。如： It is my third time to visit Beijing. 這是我第三次訪問北京。 (3)序數(shù)詞前加a/an表示“又一，再一”。如： The next year they had a second child. 第二年，他們又有了一個孩子,6. (2017廣東)Two mont

13、hs ago, China tested its _ aircraft carrier (航空母艦) built completely on its own. AoneBfirst Cthe one Dthe first ()7. (2015廣東)I live in Room 403. Sam lives in the room right above mine, on the _ floor. AthirdBthree CfifthDfive,B C,8. (2018東莞市模擬)My daughter is 15 years old now. This is the _ Spring Fes

14、tival she spends in China. AtwelveBtwenty CtwelfthDtwentieth ()9. Twochild policy has been carried out. Most parents are planning to have their _child. Aone Btwo CfirstDsecond,C D,1. 分數(shù)的構(gòu)成： 分子用基數(shù)詞，分母用序數(shù)詞。分子是“1”時，分子、分母都用單數(shù)形式；分子大于“1”時，分母應用復數(shù)形式。如：1/4 (one fourth或onefourth)；2/3 (two thirds或twothirds,考點

15、分數(shù)表達法(6年1考,2. 分數(shù)的用法： “分數(shù)of名詞/代詞”作主語時，謂語動詞的單復數(shù)取決于名詞/代詞的單復數(shù)。如： Two thirds of the students are boys in our class. 在我們班，三分之二的學生是男孩。 Three quarters of the work has been finished. 四分之三的工作已經(jīng)完成了,10. (2018廣東)According to a survey, four out of five women do housework at home, but only _ of men would do it. Af

16、our fifthBfour fifths Ctwo fifthDtwo fifths ()11. I think _ of the passage I listened to _ easy. Atwo thirds; isBsecond three; is Ctwo thirds; areDtwo thirds; are,D A,12. About _of the children _ homeless after the earthquake. Yes, we should help them rebuild the houses. Athree fourths; was Bthreefo

17、urth; were Cthree fourths; were Dthreefourth; was,C,注意hundred, thousand, million等與具體數(shù)字和非具體數(shù)字連用時的使用規(guī)則。 ()13. It is reported that there are more than 300 _ smokers in China, nearly a third of all the smokers in the world. AmillionBmillions Cmillion of Dmillions of,易錯盤點,易錯點 概數(shù)詞誤用,A,14. _ foreigners vis

18、it the Great Wall of China every year. AThousand BThousands CA thousand of DThousands of,D,注意分子、分母的表達方式以及分數(shù)作主語時謂語動詞的單復數(shù)。 ()15. About _ of the students _keeping diaries in English in our class. Atwo fifth; likeBtwo fifths; like Csecond five; likesDtwo five; like,易錯點 分數(shù)誤用,B,16. Jack, _ of the oranges _ gone bad. Wed better eat up the rest as soon as possible. Aone fifth; haveBone fifth; has Cone fifths; haveDfirst five; has,A,學生在做題時，首先要理解句意，然后運用所學知識，運用排除法，首先排除掉錯誤的選項。 例(2018珠海市香洲區(qū)二模)Excuse