新人教版七年級英語上冊數(shù)詞的練習與講解PPT課件

1、1一、單項選擇。1.there are _ days in october. a. three-one b. thirty-one c. thirty d. thirty-first2.sunday is the _day of the week. a. first b. seventh c. sixth d. fifth3._ people are seeing the movie now. a. five hundreds b. five hundreds of c. hundreds of d. hundred of4. _ is very difficult. a. lesson ni

2、nth b. lesson nine c. ninth lesson d.the lesson ninth5. there are _ people here. a. three hundred and twenty-one b. three hundreds and twenty-one c. three hundred, twenty-one d. three hundred, twenty and one 6. christmas day is december _. a. twenty-five b. the twentieth-five c. the twenty fourth d.

3、 the twenty-fifth7. the girl goes to school _. a. at the age of seven b. seven years c. when she seven d. seven years old8. my brother was born _. a. in may 6th,1998 b. on may 6th, 1998 c. in 1998, may 6th d. on 1998, may 6thbacbadab210.his mother is in _.a. her forty b. her the forty c. her forties

4、 d. her fortieth11. two pens are lost. i want to buy a _ one. a. third b. three c. first d. second12.three million, three hundred and thirty-three thousand, three hundred and thirty-three is _. a. 30,300,333 b. 333,333,333 c. 3,300,333 d. 3,333,33313. there are _ students in the game. im the _. a. t

5、welve; twelve b. twelve; twelfth c. twelfth; twelve d. twelfth; twelfthcadb3二、用括號內所給詞的適當形式填空1. the boy in green is _(three) years old.2. february is the _ (two)month of a year.3. which is the _ (five) month of a year?4. december is the _(twelve) day of a week.5. there are two _(thousand) students in

6、 our school.6. we can see _(million) of people in the square.7. my _ (one) name is jim.8. im _(eight) years old. today is my _(eight) birthday.9. im in class _ (four).10. there are _ (seven) days in a week.threesecondfifthtwelfththousandmillionsfirsteighteighthfourseven4數(shù)詞數(shù)詞：是用來表示事物的數(shù)目和數(shù)序的詞。 基數(shù)詞數(shù)詞 序

7、數(shù)詞5一、基數(shù)詞一、基數(shù)詞的構成：(1)1-12的基數(shù)詞是獨立的單詞，即(2)13-19的基數(shù)詞均以-teen結尾，即(3)20-29的整十位均以-ty結尾，即(4)十位數(shù)與個位數(shù)之間要加連字符號“-”，如：28twenty-eight 96ninety-six(5)百位和十位(若無十位則和個位)之間加and。如：138one hundred and thirty-eight 405four hundred and five(6)整數(shù)單位：hundred(百)，thousand(千)，ten thousand(萬)，one hundred thousand(十萬)，million(百萬)，te

8、n million(千萬)，a hundred million(億)，billion(十億)。(7)在英語中，1000以上的阿拉伯數(shù)字，從后往前數(shù)每三位加一個逗號“，”。如： 4,256,392four million, two hundred and fifty-six thousand, three hundred and ninety-two.one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve。thirteen, fourteen, fifteen, sixteen, seventeen,ei

9、ghteen,nineteentwenty, thirty, forty, fifty, sixty, seventy, eighty, ninety.6【注意】hundred, thousand, million, billion等前面有具體的數(shù)詞時，不能在它們的后面加s。 但是用來表示不確定數(shù)目時，要用其復數(shù)形式，且后面需加of。如：five hundred 五百 six million 六百萬 thousands of 成千上萬的?！镜淅縚 people come to see our play(表演). its so great. a. hundred b. hundreds c.

10、hundred of d. hundreds ofd72.基數(shù)詞的用法（1）作主語。(主語是執(zhí)行句子的行為或動作的主體 )如：12是一個很重要(important)的數(shù)字。twelve is a very important number.（2）作定語(定語是用來修飾、限定、說明名詞或代詞的品質與特征的 )。如：我有兩個姐姐。i have two sisters. （3）作賓語(賓語，又稱受詞，是指一個動作（動詞）的接受者 )。如：give me two, please.（4）作表語(表語是用來說明主語的身份、性質、品性、特征和狀態(tài)的 )。如：what time is it?its six.（

11、5）作同位語(一個名詞(或其它形式)對另一個名詞或代詞進行修飾，限定或說明，這個名詞（或其它形式）就是同位語)。如：你們兩個在做什么？what are you two doing ?8二、序數(shù)詞用來表示順序的數(shù)詞叫序數(shù)詞。1.序數(shù)詞的構成(1)一般來說，序數(shù)詞是由相應的基數(shù)詞在詞尾加th構成。如fourfourth,six sixth, seven seventh, eleven eleventh , hundred hundredth, thousand thousandth, million millionth.(2)下面這些基數(shù)詞在變?yōu)樾驍?shù)詞時，有特殊的變化。如：one first, t

12、wo second, three third , five fifth, eight eighth, nine ninth , twelve twelfth.(3)十位整數(shù)序數(shù)詞的構成方法是將基數(shù)詞的詞尾y，變?yōu)閕e，然后再加th。如：twenty twentieth, thirty thirtieth, forty fortieth , ninety ninetieth.(4)兩位或兩位以上的基數(shù)詞變?yōu)樾驍?shù)詞時，僅將個位數(shù)變?yōu)樾驍?shù)詞。如：twenty-one twenty-first, forty-four forty-fourth, two hundred and thirty-three

13、 two hundred and thirty-third.其規(guī)律可以用下面口訣記憶：基變序，有規(guī)律，結尾加上th， 1、2、3，特別記，first，second，third。8去t，9去e，f代ve， y變?yōu)閕e，詞尾要加th。 若是遇到幾十幾，只變個位就可以。9【注意】(1)在使用序數(shù)詞時，一般在其前加上定冠詞the。如：the first book（第一本書）， the fourth week （第四周）(2)序數(shù)詞與定冠詞、物主代詞或名詞所有格等連用表示順序；與不定冠詞連用，表示“再一，又一”的意思。如：i am often the first to get to work in my

14、 office.在我們辦公室，我是經(jīng)常第一個上班的。try it a second time.再試一次?！镜淅縨ike has _ elder brothers. hes his fathers _ son. a. two; third b. two; three c. second; third d. second; threea10三、數(shù)詞的常用表達1.年份的讀法用基數(shù)詞，分成兩位一讀，也可以用thousand或hundred來讀。如1998 nineteen eighty-nine；2010 two thousand and ten；1900 nineteen hundred。2.年、

15、月、日的順序 英語中，可以按“月、日、年”的順序來表示，也可以按“日、月、年”的順序來表示。如“1999年6月1日”可以寫成“june 1st，1999”或“1st june 1990”讀作“june (the) first, nineteen ninety-nine”或“the first of june,nineteen ninety-nine”3.時刻表達法英語中時間是用基數(shù)詞來表示的，最常見的形式有兩種：(1)先點鐘，后分鐘。如6:30 six thirty; 7:54 seven fifty-four(2)先分鐘，后點鐘。分鐘數(shù)不超三十分鐘時(包括三十分鐘)，用“分鐘數(shù)+past+鐘

16、點數(shù)”表示；分鐘數(shù)超過三十分鐘時，用“(60分鐘數(shù))+to+下一個鐘點數(shù)”表示，即“差幾分到幾點”。如6:20 9:47 twenty past six thirteen to ten(3) “整點”，直接用“鐘點數(shù)(+oclock)”表示?！鞍胄r”用half an hour表示，“一刻鐘”用a quarter 表示。 如6:00 six (oclock), 7:30 half past seven, 5:45 a quarter to six 8:15 a quarter past eight.【注意】一般使用half時，都與past連用，而不加to。114.年齡表達法(1)年齡可以用下列

17、結構表示。如： 她九歲了。she is nine years old./ she is nine years of age./ she is aged nine (years).她是一個九歲的女孩兒。she is a nine-year-old girl.(2) at the age of表示“在某人幾歲”時。“in+ones+整十數(shù)的復數(shù)形式”表示“某人幾十多歲”。如：他祖父六十多歲了。his grandfather is in his sixties.when she was at the age of six, she was so lovely. 126.次數(shù)的表達法在英語中“一次”、“兩次”分別用once和twice來表示；表示三次以上則用“基數(shù)詞+times”。如：we travel to other countries three times a year.我們一年