中考英语第一轮复习 语法专题四 数词课件

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第一轮复习第一轮复习 语法专题语法专题专题四专题四 数词数词考考 点点 梳梳 理理中中 考考 链链 接接广广 东东 真真 题题考考 点点 精精 练练 广东真题广东真题C ( ) 1. I live in Room 403, Sam lives in the room right above mine, on the _ floor. (2015广东) A. third B. three C. fifth D. five 广东真题广东真题( ) 2. Its never too old to learn. Karl Marx began to learn English in his_. A. the fiftieth B. fiftieth C. fifty D. fifties (2014广东)( ) 3. Excuse me, sir. Heres a package for Lin Tao. Which room does he live in? _.(2013广东) A.308 Room B. Room 308 C. The Room 308 D. The 308 RoomD B 广东真题广东真题B ( ) 4. - how was your weekend? (2012广东) - Great! It was my grandfathers _ birthday. We enjoyed ourselves. A. seventy B. seventieth C. the seventieth D. seventeenth( ) 5. After the Asian Games, _ people came to Guangzhou for a visit during holidays. A. thousand B. thousands of C. five thousands D. five thousand of(2011广东)B 广东真题广东真题( ) 6. This is Mr. Whites _ visit to Beijing. He has been there twice. (2010广东) A. two B. second C. three D. thirdD 考点梳理考点梳理数词分为基数词和序数词两种。 基数词表示数量 序数词表示顺序考点一:考点一: 基数词基数词1. 基数词的构成(1) 1-12 单独记:one two three four five six seven eight nine ten eleven twelve(2) 13-19词尾为teen: thirteen fourteen fifteen sixteen seventeen eighteen nineteen(3) 20-90的整十数词尾为ty: twenty thirty forty fifty sixty seventy eighty ninety(4) 表示基数单位的数词有: hundred (百) thousand (千) million (百万) billion (十亿)2. 基数词的读法和写法。(1) 十位和个位之间用连字符。25 twenty-five 99 ninety-nine(2) 百和十之间加and。 555 five hundred and fifty-five 202 two hundred and two(3) 1000以上的数词,从后往前每三位用逗号隔开。最后一个逗号用thousand (千),倒数第二个用million (百万),倒数第三个用billion (十亿),然后每节都用几百几十的方法表示。 例如: 591,734,802,693 five hundred and ninety-one billion,seven hundred and thirty-four million,eight hundred and two thousand,six hundred and ninety-three 3. 基数词的用法。(1) hundred,thousand,million和billion这些数词有两种用法:一是表具体数词 (包括数量词several),其后不能加-s,如:three thousand people 三千人;二是表概数,其后加-s并要和of连用,此时前面不能有具体的数字修饰。如:hundreds of 成百上千的 thousands of 成千上万的 millions of 上百万的(2)与基数词合成的复合定语,其中的名词用单数。 an eight-year-old boy 一个八岁的男孩 a five-year plan 一个五年计划 a seven-day holiday 为期七天的假期 ten-minute walk 十分钟的步行路程( ) 1. The number of the cars in our neighborhood is about eight _, and _ of them are new cars. A. hundreds; two thirds B. hundred; two third C. hundred; two thirds D. hundreds; two thirdC 考点再现考点再现( ) 2. I dont believe that this _boy can paint such a nice picture. A. five years old B. five-years-old C. five-year-old D. five year oldC 考点再现考点再现考点二:序数词考点二:序数词1. 序数词的构成(1) 第一、第二、第三特殊记: first (1st) second (2nd) third (3rd)(2) 第四至第十九分别在相对应的基数词后加-th: fourth (4th) fifteenth (15th)但是 five-fifth (5th),nine-ninth (9th),twelve-twelfth (2012th) 特殊记。(3) 21-99等数的序数词只需把相应的基数词的个位数变为序数词: twenty-first (21st)(4) 20-90 整十数的序数词由相应的基数词去y加-ieth构成:sixty-sixtieth (60th)2. 序数词的用法。(1) 序数词前一般要加the。若前有物主代词、名词所有格等就不加the。 Its my first time to come to Zhanjiang. 这是我第一次来湛江。(2) 序数词前用a,表示“又一,再一”。 Ill go to Beijing a second time next week. 我下个星期要再去北京一次 ( ) 3. Tomorrow is the boys _birthday. A. seventh B. seven C. seventeen D. the seventh A考点再现考点再现类类别别说明说明例词或例句例词或例句时刻时刻(1) 用基数词,按顺序读。(2) 用past (过),用于半小时内。(3) 用to (差),用于半小时后。(1) 7:25 seven twenty-five(2) 7:05 five past seven(3) 6:55 five to seven期日期日先写月日或日月,再写年份。1st Sept. 2012 the first of September,twenty twelveMar. 8th ,1999 March the eighth, nineteen ninety-nine考点三:基数词和序数词的用法。考点三:基数词和序数词的用法。代年代年表示“几十年代”或“几十岁”,用逢十的基数词的复数。(1)在19世纪30年代:in the 1830s/1830s(2)在他80多岁时:in his eighties数小数小小数点读point。小数前后各数都按基数词读,零 读 作 o 音 或zero.0.7 读作zero (o) point seven 25.25 读作twenty-five point two five概数概数 一两个苹果:one or two apples= one apple or two两三个苹果:two or three apples= two apples or three一个半小时:one and a half hours=one hour and a half半小时:half an hour每五分钟:every five minutes顺序编号顺序编号表达年级、行、课、房间等的编号时要用:名词+ 基数词= the+ 序数词+名词一年级:Grade One第六课:Lesson Six = the sixth lesson802房: Room 802百分比百分比百 分 比 由 基 数 词+percent组成。百分数作主语谓语动词取决于后面的名词。名词是复数,谓语用复数,名词是单数或不可数,谓语用单数。44% 读作forty-four percentMore than 25 percent of the surface of the ground is covered with grass. 超过25%的地面被草覆盖着。倍数倍数(1)倍数+as+形(副)原级+as(2)倍数+形(副)比较级+than(3)倍 数 + t h e size(length)+ of (表示大小或数量的名词)This room is three times as large as that one.= This room is twice larger than that one.= This room is three times the size of that one.这间房是那间房的三倍大。 分数分数分子用基数词,分母用序数词,分子大于1,分母的序数词用复数。分数作主语,谓语动词取决于后面的名词。1/2 读作 a (one) half 1/3 读作 a (one) third 4/5 读作four fifths 1/4 读作a (one) quarter/fourth 4 2/3 读作four and two thirdsTwo thirds of the students in my class are boys.四则运算四则运算加号用plus / and减号用minus乘号用times除号用divided by9+8=17, 读作 Nine plus (and) eight is seventeen.11-5=6 , 读作 Eleven minus five is six.65=30,读作 Six times five is thirty.357=5, 读作 Thirty-five divided by seven is five.( ) 4. _of the land is covered with trees and grass in Pingjiang, Yueyang. A. Three fives B. Three fifths C. Three fifth D. third fifth( ) 5. Lets go to the bookstore at half past nine tomorrow morning. Its too lateLets make it _. A. twenty to ten B. a quarter to nine C. a quarter to ten D.ten oclock B 考点再现考点再现B 中考链接中考链接1-5 DCCAD 6-10 AACDB11-15 DADBB 16-20 ABCBB 考点精练考点精练1-5 ABBCA 6-10 CDADC11-15BDDBC 16-20ACBBB
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