新人教版七年级英语上册数词的练习与讲解PPT课件

1、1一、单项选择。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、用括号内所给词的适当形式填空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数词数词：是用来表示事物的数目和数序的词。 基数词数词 序

7、数词5一、基数词一、基数词的构成：(1)1-12的基数词是独立的单词，即(2)13-19的基数词均以-teen结尾，即(3)20-29的整十位均以-ty结尾，即(4)十位数与个位数之间要加连字符号“-”，如：28twenty-eight 96ninety-six(5)百位和十位(若无十位则和个位)之间加and。如：138one hundred and thirty-eight 405four hundred and five(6)整数单位：hundred(百)，thousand(千)，ten thousand(万)，one hundred thousand(十万)，million(百万)，te

8、n million(千万)，a hundred million(亿)，billion(十亿)。(7)在英语中，1000以上的阿拉伯数字，从后往前数每三位加一个逗号“，”。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等前面有具体的数词时，不能在它们的后面加s。 但是用来表示不确定数目时，要用其复数形式，且后面需加of。如：five hundred 五百 six million 六百万 thousands of 成千上万的。【典例】_ people come to see our play(表演). its so great. a. hundred b. hundreds c.

10、hundred of d. hundreds ofd72.基数词的用法（1）作主语。(主语是执行句子的行为或动作的主体 )如：12是一个很重要(important)的数字。twelve is a very important number.（2）作定语(定语是用来修饰、限定、说明名词或代词的品质与特征的 )。如：我有两个姐姐。i have two sisters. （3）作宾语(宾语，又称受词，是指一个动作（动词）的接受者 )。如：give me two, please.（4）作表语(表语是用来说明主语的身份、性质、品性、特征和状态的 )。如：what time is it?its six.（

11、5）作同位语(一个名词(或其它形式)对另一个名词或代词进行修饰，限定或说明，这个名词（或其它形式）就是同位语)。如：你们两个在做什么？what are you two doing ?8二、序数词用来表示顺序的数词叫序数词。1.序数词的构成(1)一般来说，序数词是由相应的基数词在词尾加th构成。如fourfourth,six sixth, seven seventh, eleven eleventh , hundred hundredth, thousand thousandth, million millionth.(2)下面这些基数词在变为序数词时，有特殊的变化。如：one first, t

12、wo second, three third , five fifth, eight eighth, nine ninth , twelve twelfth.(3)十位整数序数词的构成方法是将基数词的词尾y，变为ie，然后再加th。如：twenty twentieth, thirty thirtieth, forty fortieth , ninety ninetieth.(4)两位或两位以上的基数词变为序数词时，仅将个位数变为序数词。如：twenty-one twenty-first, forty-four forty-fourth, two hundred and thirty-three

13、 two hundred and thirty-third.其规律可以用下面口诀记忆：基变序，有规律，结尾加上th， 1、2、3，特别记，first，second，third。8去t，9去e，f代ve， y变为ie，词尾要加th。 若是遇到几十几，只变个位就可以。9【注意】(1)在使用序数词时，一般在其前加上定冠词the。如：the first book（第一本书）， the fourth week （第四周）(2)序数词与定冠词、物主代词或名词所有格等连用表示顺序；与不定冠词连用，表示“再一，又一”的意思。如：i am often the first to get to work in my

14、 office.在我们办公室，我是经常第一个上班的。try it a second time.再试一次。【典例】mike has _ elder brothers. hes his fathers _ son. a. two; third b. two; three c. second; third d. second; threea10三、数词的常用表达1.年份的读法用基数词，分成两位一读，也可以用thousand或hundred来读。如1998 nineteen eighty-nine；2010 two thousand and ten；1900 nineteen hundred。2.年、

15、月、日的顺序 英语中，可以按“月、日、年”的顺序来表示，也可以按“日、月、年”的顺序来表示。如“1999年6月1日”可以写成“june 1st，1999”或“1st june 1990”读作“june (the) first, nineteen ninety-nine”或“the first of june,nineteen ninety-nine”3.时刻表达法英语中时间是用基数词来表示的，最常见的形式有两种：(1)先点钟，后分钟。如6:30 six thirty; 7:54 seven fifty-four(2)先分钟，后点钟。分钟数不超三十分钟时(包括三十分钟)，用“分钟数+past+钟

16、点数”表示；分钟数超过三十分钟时，用“(60分钟数)+to+下一个钟点数”表示，即“差几分到几点”。如6:20 9:47 twenty past six thirteen to ten(3) “整点”，直接用“钟点数(+oclock)”表示。“半小时”用half an hour表示，“一刻钟”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时，都与past连用，而不加to。114.年龄表达法(1)年龄可以用下列

17、结构表示。如： 她九岁了。she is nine years old./ she is nine years of age./ she is aged nine (years).她是一个九岁的女孩儿。she is a nine-year-old girl.(2) at the age of表示“在某人几岁”时。“in+ones+整十数的复数形式”表示“某人几十多岁”。如：他祖父六十多岁了。his grandfather is in his sixties.when she was at the age of six, she was so lovely. 126.次数的表达法在英语中“一次”、“两次”分别用once和twice来表示；表示三次以上则用“基数词+times”。如：we travel to other countries three times a year.我们一年