1、 卓越个性化教学讲义学生姓名 年级 授课时间 教师姓名 课时 教学课题 基础知识复习巩固专题数词教学目标 1. 学生能数词定义和功能;2. 掌握基数词与序数词的有关方法。重点难点 数词的某些特殊用法。I 数词分类1、基数词概念:表示数目的词称为基数词。其形式如下:A从 110one,two,three,four,five ,six ,seven ,eight ,nine ,tenB从 1119eleven,twelve, thirteen, fourteen, fifteen, sixteen, seventeen,eighteen, nineteen这里除 eleven, twelve, t
2、hirteen, fifteen, eighteen 为特殊形式外,fourteen,sixteen ,seventeen ,nineteen 都是由其个位数形式后添加后缀 -teen 构成。C从 2199整数几十中除 twenty,thirty, forty,fifty ,eighty 为特殊形式外,sixty ,seventy ,ninety 都是其个位数形式后添加后缀-ty 构成。表示几十几时,在几十和个位基数词形式之间添加连字符 “-”21 twenty-one 76 seventy-sixD百位数个数基数词形式加“hundred ”,表示几百,在几十几与百位间加上 and101 a
3、hundred and one 320 three hundred and twentyE.大约数的表示法基数词在表示确切的数字时,不能使用百、千、百万、十亿的复数形式;但是,当基数词表示不确切数字,用 ten、dozen 、score、hundred、thousand 、million 等数词的复数后加 of 短语来表示几十、几百、上千、成千上万等大约数概念。There are hundreds of people in the hall -There are three hundred people in the hallF表示人的不确切岁数或年代,用几十的复数形式表示。He became
4、 a professor in his thirties他三十多岁时成为了教授。It was in the 1960s那是在二十世纪六十年代。2. 序数词表示顺序的词称为序数词。序数词的主要形式:A从第一至第十九其中,one first, two second, three third, five fifth,eight eighth,nineninth,twelve twelfth 为特殊形式,其它的序数词都是由其相对应的基数词后面添加“th ”构成。例如: six sixth、nineteen nineteenth卓越个性化教学讲义 2B从第二十至第九十九整数第几十的形式由其对应的基数词改
5、变结尾字母 y 为 i,再加“eth ”构成。twentytwentieth thirtythirtieth表示第几十几时,用几十的基数词形式加上连字符“”和个位序数词形式一起表示。thirty-first 第三十一 fifty-sixth 第五十六C第一百以上的多位序数词由基数词的形式变结尾部分为序数词形式来表示。one hundred and twenty-first 第一百二十一D序数词的缩写形式有时,序数词可以用缩写形式来表示。主要缩写形式有。firstlst second2nd third3rd fourth4th twenty-third23rd其中 lst,2nd,3rd 为特殊
6、形式,其它的都是阿拉伯数字后加上 th。二、 数词的用法1、时刻表示法A. 表示几点钟用基数词加可以省略的 oclock5:00 读作 five oclock 或 fiveB. 表示几点过几分,在分钟后加 past,再加小时five past seven 七点过五分C. 表示几点差几分,在分钟后面加 to,再加小时ten to eight 差十分八点(七点五十分) a quarter to twelve 差一刻十二点(十一点四十五分)在日常生活中,常用下列简单方法表示时间。以小时、分种为单位分别读出数字。 10:26 读作 ten twenty-six注:时刻表上的时间大多采用 24 小时表示
7、法,这样就不需要用 a.m.表示上午,p.m.表示下午了。2、倍数表示法A. 主语+ 谓语+ 倍数(或分数)+ as + adj. + asI have three times as many as you. 我有你三倍那么多。B. 主语 +谓语+倍数(分数) + the size (amount,length) ofThe earth is 49 times the size of the moon. 地球是月球的 49 倍。3、年月表示法A. 世纪可以用定冠词加序数词加世纪 century 表示,也可以用定冠词加百位进数加 s 表示the sixth(6th)century 公元六世纪 t
8、he 1600s 十七世纪这里,用百位数整数表示的世纪比这一百位阿拉伯数字本身多一个世纪。B. 年代用定冠词及基数词表示的世纪加十位整数的复数形式构成in the 1930s(in the thirties of the twentieth century 或 in the nineteen thirties)在二十世纪三十年代C. 表示某年代的早期、中期和晚期,可以在定冠词后,年代前添加 early,mid-,late卓越个性化教学讲义 3in the early 1920s 在二十世纪二十年代早期 in the mid-1950s 在二十世纪五十年代中期D. 年月日表示法(1)年份用基数词
9、表示,一般写为阿拉伯数字,读时可以 hundred 为单位,也可以以世纪、年代为单位分别来读。1949 读作 nineteen hundred and forty-nine 或 nineteen forty-nine1800 读作 eighteen hundred表示在哪一年,一般在年数前加介词 in,使用 year 时,year 放在数词之前。in the year two fifty-three B.C. 在公元前 253 年但是,通常采用 in 加表示年份的阿拉伯数字。(2). 月份,在哪个月用介词 in 加第一个字母大写的月份词表示 。例如:in May 在五月; in July 在七
10、月。为了简便起见,月份与日期连用时,月份常用缩写形式表示。缩写形式除 May,June,July外,其它的月份都由其前三个字母表示,但 September 除外。JanuaryJan一月 FebruaryFeb二月 MarchMar. 三月 AprilAprSeptemberSept九月(3)日期用定冠词 the 加序数词表示。在哪一天要添加介词 on。National Day is on Oct. 1.国庆节是十月一日。 (读作 October the first)此句也可以表示为 National Day is on the 1st of October4 分数表示法1. 分数是由基数词和
11、序数词一起来表示的。基数词作分子,序数词作分母,除了分子是“1”以外,其它情况下序数词都要用复数形式。3/4 three fourths 或 three quarters 1/3 one third 或 a third 1/2 a half2. 当分数后面接名词时,如果分数表示的值大于 1,名词用复数;小于 1,名词用单数。1 1/2 hours 一个半小时(读作 one and a half hours)5 数量表示法1. 表示长、宽、高、面积等,用基数词+ 单位词(meter,feet,inch,kilogram 等)+ 形容词(long,wide,high 等)表示,或者用基数词+ 单位
12、词 + in + 名词(length , width, height, weight 等)表示。Two-meter-long 作定语 two meters long 或 two meters in length 2 米长three feet high 或 three feet in height 3 英尺高。2. 表示时间、距离时,使用含数词的名词所有格形式作定语。five minutes walk 步行五分钟(的距离)Its an hours ride from my hometown to our university即 时 训 练 1. I think _ of the material
13、s I listened to at the beginning of the exam_ easy.A.two thirds, is B.second three, are C.two thirds, are D.two third, are2. He became a famous writer when he was_.A. in his fifty B. in his fifties C. in fifty years old D. in fifties3. -How much does it cost to build the school library? -Four _ Yuan
14、Amillion Bmillions Cmillions of Dmillion of4、About _ of the workers in the factory were born in the _.A. two-thirds, 1970 B. two-thirds, 1970s C. two-third,1970 D. two-third, 1970s卓越个性化教学讲义 45、Each of us has to write a _report every two weeks. A. two-hundred-word B. two-hundreds-word C. two-hundreds
15、-words D. two-hundred-words6、Today is my mothers _ birthday. I will buy her a gift.A. fourteen B. fourteenth C. forty D. fortieth7、Zhaoqing is becoming a tourist city. _ people come here during the holidays every year.A. Thousand of B. Thousands of C. Five thousands of D. Five thousands8、The road is
16、 over _ metres long Asix hundred and fifty-two B six hundreds and fifty-two Csix hundred,fifty-two Dsix hundred,fifty and two 9、My brother is in_.A. Three Class, One Grade B. Class Three, Grade One C. Grade One, Class Three D. class three, grade one10、Sunday is the_ day of the week.A. seventh B. fir
17、st C. second D. third中考词汇积笔记:(上面题目中包含的抄下来)【Homework】1、You can have _ try if you fail _ time.A.the second,the first B.a second,a first C.the second,a first D.a second,the first2.How many pencils would you like,Madame? Well,I want_of these.A.three dozen B.three dozen of C.three dozens D.three dozens o
18、f3. _ of the land in the district _ covered with trees and grass.A. Two fifth; is B. Two fifth; are C. Two fifths; is D. Two fifths, are4Whats the date today? _A. Its May 1st. B. Its Sunday. C. Its morning. D. Its 12 oclock. 5. Maria plays the piano for _ every day.A. one and half hours B. a half an
19、d an hour C. an hour and half D. one and a half hours.6. The earth is nearly_the moon.A. 50 time the size of B. 50 times the size of C. 50 times as size as D. 50 times as that of7. She moved to Beijing _ .A. at her thirties B. in the thirty C. in her thirties D. on her thirties8. It took me _ days t
20、o finish drawing a beautiful horse.A. a half dozen B. half a dozen C. haft dozens D. half dozen9. This classroom is _ ours.A. three times big as B. as three times big as C. three times as big as C. as big three times as10. You can find him in_ .A. Room 201 B.201 Room C. the Room 20 D. the 201 Room11
21、. Its_walk from here to my school.A. two - hours B. two hours C. two - hour D. a two - hour12. Lincoln was born on_.A. February 12,1809 B. 1809, February 12 C. 1809, 12 February D. February 1809,12 13. It took tom _to finish the homework last night卓越个性化教学讲义 5Athree hour and a half B.a half and three hour C. three and a half hours D half a three hours作业 2: 1. 复习本次课学习过的全部内容; 2. 把做错的题目工整抄到错题本;3. 把本课学到的词抄笔记本上。