中考英語總復習專題3：數詞

1、專題三 數詞 1.概念： 表示數目多少或順序多少的詞叫數詞。 2.分類： 數詞分為基數詞和序數詞。表示數目多少的數詞叫基數詞；表示順序的數詞叫序數詞。 考點歸納考點歸納 考點梳理考點梳理 考點一：基數詞考點一：基數詞 1.基數詞的基本構成。1one2two3three4four5five6six7seven8eight9nine10ten11eleven12twelve13thirteen14fourteen15fifteen16sixteen17seventeen18eighteen19nineteen20twenty30thirty40forty50fifty60sixty70sevent

2、y80eighty90ninety100a hundred/one hundred1,000a thousand1,000,000ten million100,000,000a hundred million1,000,000,000 a billion 考點梳理考點梳理 （1）13 19是由個位數加后綴-teen構成。 注意其中13、15、18的拼寫是thirteen，fifteen和eighteen。 （2）20 90由個位數加后綴-ty構成。 注意其中20 50的拼寫分別是twenty，thirty，forty和fifty；80的拼寫是eighty。 （3）其他非整十的兩位數21 99是

3、由整十位數加連字符“-”，再加個位數構成。 如：81的拼寫是：eight-one （4）101 999的基數詞先寫百位數，后加and再寫十位數和個位數。 如：691的拼寫是：six hundred and ninety-one 考點梳理考點梳理 （5）1 000以上的基數詞先寫千位數，后寫百位數，再加and，最后寫十位數和個位數。 如：5 893的拼寫是：five thousand eight hundred and ninety-three （6）在基數詞中只有表示“百” 、“千” 的單位詞，沒有單獨表示“萬” 、“億” 的單位詞，而是用thousand（千）和million（百萬）來表達。

4、 如：1萬=10 thousand；1億=100 million； 10億=a thousand million=a billion 考點梳理考點梳理 1. I live with my younger sister, my elder brother, my parents and my grandparents. There are people in my family. A. four B. five C. six D. seven 考點自測考點自測D 2. 基數詞的讀法。 （1）1 000以上的多位數，要使用計數間隔或逗號“，” 。即從個位起，每隔三位加一個間隔或逗號。第一個間隔或逗

5、號前是thousand（千），第二個間隔或逗號前是million（百萬），第三個間隔或逗號前是a thousand million或a billion（十億）。 （2）每隔三位分段以后就都成了101 999。 讀的時候百位數的后面一般要加and。 如：888 000 000 的拼寫是： eight hundred and eighty-eight million 考點梳理考點梳理 2. Helen loves reading. She has read books this month. (2015重慶市) A. five B. fifth C. five of D. fifth of 3.

6、Its reported that there are more than 300 smokers in China, nearly a third of all the smokers in the world. (2015云南省) A. million B. millions C. million of D. millions of 考點自測考點自測AA 3.基數詞的一些重要用法 （1）基數詞的復數形式表示大量的數目。 在這種情況下，表示單位的基數詞（hundred，thousand，million，billion）不能在詞尾加s。 如：two hundred students 二百個學生

7、 five thousand years 五千年 如果表示單位的基數詞詞尾加s，要與of短語連用。 如：hundreds of students 成百上千的學生 考點梳理考點梳理 4. Im going to take this summer holiday in Taiwan. Oh, really? Taiwan is a beautiful island that people in Guangdong go to visit it every year. (2015汕尾市) A. so；thousands B. so；thousands of C. such；many thousand

8、 D. much；thousands of 5. Its reported that people throw plastic bags along this street every day. (2015南充市) A. hundred B. hundreds C. hundred of D. hundreds ofCD 考點自測考點自測 (2)時間的表達法 順讀法（先讀小時后讀分鐘） 如：6:36 讀成six thirty-six 12:53讀成twelve fifty-three 逆讀法（先讀分鐘后讀小時）： 分鐘小于30用past。 如：7:24讀成twenty-four past se

9、ven 分鐘大于30用to，且分鐘要用60減，小時要加1。 如：1:58讀成two to two 半小時用half，一刻鐘用quarter。 如：5:30讀成half past five 3:15讀成a quarter past three 10:45讀成a quarter to eleven 考點梳理考點梳理 （3）一些時間段的表達 half an hour 半小時 one hour and a half=one and a half hours 一個半小時 two more years=another two years 再多兩年 (4)世紀、年代的表達法 在80年代 in the eig

10、hties 在20世紀 in the twentieth century 在20世紀90年代 in the 1990s或1990s 考點梳理考點梳理 6. Lets go to the bookstore at half past nine tomorrow morning. Its too late. Lets make it . (2013莆田市) A. a quarter to nine B. twenty to ten C. a quarter to ten D. ten to twenty 7. About of the students in Grade Nine this yea

11、r were born in the . (2012銅仁市) A. three five；1996 B. three fifths；1990s C. third fifth；1997 D. third fifths；1990sAB 考點自測考點自測 (5) 編號的表達法(注意大小寫的變化) Lesson One=the first lesson Picture Two=the second picture Bus No.5=the No.5 bus Line Six=the sixth line Room 301讀作：room three o one Page 23讀作：page twenty

12、-three 考點梳理考點梳理 8. Boys and girls, please turn to Page and look at the picture. (2015呼和浩特市) A. Fifth；five B. Five；five C. Fifth；fifth D. Five；fifth 9. Jack, I want to go to to see a dentist. Could you tell me the address? No problem. (2014山西省) A. Room 606 B. No.2 Hospital C. Fifth Avenue D. Class El

13、even 考點自測考點自測DB (6)百分數、小數和倍數的表達法 30%: thirty percent 0.47%: zero point four seven percent 100%: one hundred percent 0.01: zero point zero one 3.14159: three point one four one five nine This box is three times as large as that one.=This box is twice larger than that one. =This box is three times the

14、 size of that one. 這個盒子是那個盒子的三倍大。（這個盒子比那個盒子大兩倍。） 考點梳理考點梳理 10. We have two ears and one mouth so that we can listen we speak. (2012杭州市) A. as twice much as B. twice as much as C. as much as twice D. as much twice as 考點自測考點自測B (7)加、減、乘、除的表達法 1+1=2: one plus one is two 8-5=3: eight minus five is three

15、65=30: six times five is thirty (six multiplied by five is thirty) 102=5: ten divided by two is five （8）表示整體概念（時間、距離、價格、重量、數目、數學運算等）的詞或短語做主語時，謂語動詞用單數。 Fifty years has passed, but he still looks young. 五十年過去了，他看起來依然年輕。 One million dollars is a large number for me. I cant afford the house. 一百萬美元對我來說是個

16、大數目，我買不起這個房子。 考點梳理考點梳理 11. Two days enough for me to finish the work. I need a third day. A. isnt B. is C. arent D. are 12. Ten kilometers a long way to him. He is too tired. A. are B. was C. is D. were 考點自測考點自測AC 4.由基數詞構成的一些常用短語 （1）He is a six-year-old boy.=The boy is six years old. 他是個六歲大的男孩。 （2）T

17、he building is 200 meters high.=This is a 200-meter-high building. 這棟建筑物高200米。 （3）He got the prize in his thirties. 他30 多歲時獲獎了。 考點梳理考點梳理 13. No way! I dont think should be allowed to drive. I am worried about your safety. (2015遵義市) A. fifteen years old B. fifteen-year-olds C. fifteen-year-old D. fif

18、teen year olds 14. A quarter to four is . (2015張家界市) A. 3:15 B. 3:45 C. 4:15 D. 4:45BB 考點自測考點自測 考點二：序數詞 1.序數詞的基本構成。數字數字基數詞基數詞序數詞序數詞數字數字基數詞基數詞序數詞序數詞1onefirst8eighteighth2twosecond9nineninth3threethird12twelvetwelfth5fivefifth20twentytwentieth 考點梳理考點梳理30thirtythirtieth70seventyseventieth40fortyfortiet

19、h80eightyeightieth50fiftyfiftieth90ninetyninetieth60sixtysixtieth96ninety-sixninety-sixth 考點梳理考點梳理 注意事項： 基變序，有規(guī)律，末尾加上th；“一、二、三” 特殊記，結尾字母tdd。“八” 減t，“九” 減e，f要把-ve替，ty把y變ie。如果遇到幾十幾，只變個位就可以 (1)有幾個序數詞和基數詞在拼寫時很容易寫錯，應特別注意。 它們是：one first，two second， three third，five fifth， eight eighth，nine ninth，twelve twe

20、lfth。 (2)序數詞有時用縮寫形式： first1st second2nd third3rd fourth4th twenty-second22nd 考點梳理考點梳理 1. Kate is a school girl. She got many presents on her birthday. (2015涼山彝族自治州) A. nine B. the ninth C. ninetieth D. ninth 2. I live in Room 403. Sam lives in the room right above mine, on the floor. (2015廣東省) A. th

21、ird B. three C. fifth D. fiveDC 考點自測考點自測 2.序數詞的一些重要用法 （1）序數詞在使用時，一般在前面加定冠詞the或物主代詞等限定詞。 如：the second day 第二天 my first visit to Beijing 我第一次拜訪北京 （2）序數詞有時前面可加不定冠詞來表示“再一”，“又一” 。 如：Well have to do it a second time. 我們得做第二次。 When I sat down, a fourth man rose to speak. 我坐下時，第四個男人站起來說話。 考點梳理考點梳理 （3）表示年，月，日時，年用基數詞表示，日用序數詞表示。（先寫月日或日月，再寫年份） 如：1949年十月一日讀作： October (the) first, nineteen forty-nine 2004年九月十日讀作： September (the) tenth, two thousand and four 考點梳理考點梳理 (4)表示分數時，分子用基數詞表示，分母用序數詞表示。分子大于1時，分母加-s。 如：one second=one half=a half 二分之一 one fourth=one quarter=a quart