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2023届高三英语二轮复习：数词课件
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这是一份2023届高三英语二轮复习：数词课件，共35页。PPT课件主要包含了什么是数词，前序后基等内容，欢迎下载使用。
(1)基数词: 表示数目的词。dzen (打; 十二) scre (二十) hundred (百) thusand (千) millin (百万) billin (十亿) trillin (万亿; 兆)
ne eleven tw twelve twentythree thirteen thirtyfur furteen frtyfive fifteen fiftysix sixteen sixtyseven seventeen seventyeight eighteen eightynine nineteen ninetyten ne hundred
twenty-netwenty-twtwenty-threetwenty-furtwenty-fivetwenty-sixtwenty-seventwenty-eighttwenty-nine【31-- 39, 51 -- 59, 71 -- 79... 91—99表达方法相同】
●101— 999基数词的读法: 101: ne hundred and ne199: ne hundred and ninety-nine763: seven hundred and sixty-three1,007: ne thusand and seven 2,034: tw thusand and thirty-fur
6,251: six thusand, tw hundred and fifty-ne 9,999: nine thusand, nine hundred and ninety-nine 10,000/70,000: ten/seventy thusand 40,726: frty thusand, seven hundred and twenty-six
● dzen, hundred, thusand, millin, billin, trillin前有数词, 它们不能加上s,后面 直接接名词。 nine hundred birds/persns: 900只鸟/个人 ● dzen, hundred, thusand, millin, billin, trillin前无数词, 它们就需加上s后,然后 接上f, 再接名词: hundreds f birds/ persns: 数百只鸟/个人
●常用的年的读法：671BC (six seventy-ne BC (nineteen thirty-seven) 1492 (furteen ninety-tw)
1805 【eighteen (h) five】 1700 (seventeen hundred)2000 (tw thusand) 2008 【tw thusand (and) eight】2013 (twenty thirteen) 2049 (twenty frty-nine)
●具体钟点的表示法：A. 顺读法： 6:13 (six thirteen) 11:30 (eleven thirty ) 8:51 (eight fifty-ne )B. 整点： 12:00 【twelve (’clck)】 (twelve ’clck sharp)C.1--30分: 用此结构: (分钟) past (小时) 9:07 ( seven past nine ) 10:30 ( half past ten )
D. 31--59分: 用此结构: (分钟) t (小时) 5:46 (furteen t six) E. 15分: fifteen/a quarter3:15 (fifteen/a quarter past three ) 7:45 (fifteen/a quarter t eight )
●“在某人二十几岁、五十几岁、七十几岁、 九十几岁”的表达法：in ne’s teens/ : 在某人10几岁时/20几岁时/90几岁时【在多少岁：at (the age f) twenty/frty/ ninety: 在20/40/90岁时】
●“在多少世纪”的表达法：in the 18th/eighteenth century: 在18世纪in the (early/late)1990s/1990’s: 在20世纪90年代(初/末)in the mid-1990s/1990’s: 在20世纪90年代中期in the (early/late) 1900s: 在20世纪(初/末)
Grammar 序数词
序数词：表示先后顺序的数词。英文名：Ordinal Numeral
ne first/1st eleventh/11th tw secnd/2nd twelfth/12th three third/3rd thirteenth/13th fur furth/4th furteenth/14th five fifth/5th fifteenth/15th six sixth/6th sixteenth/16th seven seventh/7th seventeenth/17theight eighth/8th eighteenth/18thnine ninth/9th nineteenth/19th ten tenth/10th
twenty twentieth/20ththirty thirtieth/30th frty frtieth/40thfifty fiftieth/50thsixty sixtieth/60thseventy seventieth/70theighty eightieth/80thninety ninetieth/90thne hundred ne hundredth/100th
●日历的几日要用序数词表示： 2007年3月21日 写作：March 21st,2007 读作：March, the twenty-first ,tw thusand and seven 2013. 6. 1 n June the first, 2013 (n June 1st, 2013)
(4)小数：小数点用pint。小数点后的数字一个一个地读。3.1415: three pint ne fur ne five 9.87: nine pint eight seven99.98: ninety-nine pint nine eight 0.624: zer pint six tw fur
(5)百分数： percent = per cent1)60 percent f the water in this area has been plluted.2)30 percent f the dctrs are ging t retirenext year.
基变序 有规律， 末尾加上th1 2 3 特殊记， 结尾字母t d d8去t 9去e，f来把ve替若是ty做结尾，ty变成tie若是遇到几十几，只变个位就可以。
Write1. twelve(序数词)________________ 2. thirteen(序数词)__________________3. ninth(基数词)_________________ 4. eighteenth(基数词)___________________5. secnd(基数词)_______________ 6. three(序数词)______________________7. fifth(基数词)_________________ 8. ne(序数词)______________________
twelfth thirteenth nine eighteen tw third fivefirst
Write.9. nineteen(序数词)________________ 10. twenty-fur(序数词)_____________________11. thirty(序数词)_________________ 12. frty-secnd(基数词)______________13. fiftieth(基数词)_______________ 14. thirty-ne(序数词)____________________15. twenty(序数词)_________________ 16. twenty-three(序数词)_________________
nineteenth twenty-furth thirtieth frty-tw fifty thirty-first twentieth twenty-third
1. 表示顺序The furth girl is my sister.
(加the 放在名词前面)
基数词也可表示顺序，但要放在名词后面 the third rm Rm 3
基数词置于名词后，没有定冠词the序数词置于名词前，有定冠词 the
2. 与名词构成复合形容词There is a secnd-hand bk stre.
3.当序数词有物主代词等修饰词时，不加the
This is my fifth birthday .That is his seventh ty car.This is Mary's first class.
This is her third kid. It is his eighth dg.
1.这是她的第三个孩子。2.它是他的第八只狗。
Chse and write.
1. The ______ car under the tree is uncle Wang's. (ne, first)2. I have _______ pens in my bag. (tw, secnd)3. The _______ wmen in the rm are talking abut the _____ bk. (six, sixth)4. The ________ bird in the tree lks beautiful. (five, fifth)
5. There are _________ students n the playgrund. (twenty, twentieth)6. Can yu see the ________ bx n the shelf? (eight, eighth)
(1)基数词: 表示数目的词。dzen (打; 十二) scre (二十) hundred (百) thusand (千) millin (百万) billin (十亿) trillin (万亿; 兆)
ne eleven tw twelve twentythree thirteen thirtyfur furteen frtyfive fifteen fiftysix sixteen sixtyseven seventeen seventyeight eighteen eightynine nineteen ninetyten ne hundred
twenty-netwenty-twtwenty-threetwenty-furtwenty-fivetwenty-sixtwenty-seventwenty-eighttwenty-nine【31-- 39, 51 -- 59, 71 -- 79... 91—99表达方法相同】
●101— 999基数词的读法: 101: ne hundred and ne199: ne hundred and ninety-nine763: seven hundred and sixty-three1,007: ne thusand and seven 2,034: tw thusand and thirty-fur
6,251: six thusand, tw hundred and fifty-ne 9,999: nine thusand, nine hundred and ninety-nine 10,000/70,000: ten/seventy thusand 40,726: frty thusand, seven hundred and twenty-six
● dzen, hundred, thusand, millin, billin, trillin前有数词, 它们不能加上s,后面 直接接名词。 nine hundred birds/persns: 900只鸟/个人 ● dzen, hundred, thusand, millin, billin, trillin前无数词, 它们就需加上s后,然后 接上f, 再接名词: hundreds f birds/ persns: 数百只鸟/个人
●常用的年的读法：671BC (six seventy-ne BC (nineteen thirty-seven) 1492 (furteen ninety-tw)
1805 【eighteen (h) five】 1700 (seventeen hundred)2000 (tw thusand) 2008 【tw thusand (and) eight】2013 (twenty thirteen) 2049 (twenty frty-nine)
●具体钟点的表示法：A. 顺读法： 6:13 (six thirteen) 11:30 (eleven thirty ) 8:51 (eight fifty-ne )B. 整点： 12:00 【twelve (’clck)】 (twelve ’clck sharp)C.1--30分: 用此结构: (分钟) past (小时) 9:07 ( seven past nine ) 10:30 ( half past ten )
D. 31--59分: 用此结构: (分钟) t (小时) 5:46 (furteen t six) E. 15分: fifteen/a quarter3:15 (fifteen/a quarter past three ) 7:45 (fifteen/a quarter t eight )
●“在某人二十几岁、五十几岁、七十几岁、 九十几岁”的表达法：in ne’s teens/ : 在某人10几岁时/20几岁时/90几岁时【在多少岁：at (the age f) twenty/frty/ ninety: 在20/40/90岁时】
●“在多少世纪”的表达法：in the 18th/eighteenth century: 在18世纪in the (early/late)1990s/1990’s: 在20世纪90年代(初/末)in the mid-1990s/1990’s: 在20世纪90年代中期in the (early/late) 1900s: 在20世纪(初/末)
Grammar 序数词
序数词：表示先后顺序的数词。英文名：Ordinal Numeral
ne first/1st eleventh/11th tw secnd/2nd twelfth/12th three third/3rd thirteenth/13th fur furth/4th furteenth/14th five fifth/5th fifteenth/15th six sixth/6th sixteenth/16th seven seventh/7th seventeenth/17theight eighth/8th eighteenth/18thnine ninth/9th nineteenth/19th ten tenth/10th
twenty twentieth/20ththirty thirtieth/30th frty frtieth/40thfifty fiftieth/50thsixty sixtieth/60thseventy seventieth/70theighty eightieth/80thninety ninetieth/90thne hundred ne hundredth/100th
●日历的几日要用序数词表示： 2007年3月21日 写作：March 21st,2007 读作：March, the twenty-first ,tw thusand and seven 2013. 6. 1 n June the first, 2013 (n June 1st, 2013)
(4)小数：小数点用pint。小数点后的数字一个一个地读。3.1415: three pint ne fur ne five 9.87: nine pint eight seven99.98: ninety-nine pint nine eight 0.624: zer pint six tw fur
(5)百分数： percent = per cent1)60 percent f the water in this area has been plluted.2)30 percent f the dctrs are ging t retirenext year.
基变序 有规律， 末尾加上th1 2 3 特殊记， 结尾字母t d d8去t 9去e，f来把ve替若是ty做结尾，ty变成tie若是遇到几十几，只变个位就可以。
Write1. twelve(序数词)________________ 2. thirteen(序数词)__________________3. ninth(基数词)_________________ 4. eighteenth(基数词)___________________5. secnd(基数词)_______________ 6. three(序数词)______________________7. fifth(基数词)_________________ 8. ne(序数词)______________________
twelfth thirteenth nine eighteen tw third fivefirst
Write.9. nineteen(序数词)________________ 10. twenty-fur(序数词)_____________________11. thirty(序数词)_________________ 12. frty-secnd(基数词)______________13. fiftieth(基数词)_______________ 14. thirty-ne(序数词)____________________15. twenty(序数词)_________________ 16. twenty-three(序数词)_________________
nineteenth twenty-furth thirtieth frty-tw fifty thirty-first twentieth twenty-third
1. 表示顺序The furth girl is my sister.
(加the 放在名词前面)
基数词也可表示顺序，但要放在名词后面 the third rm Rm 3
基数词置于名词后，没有定冠词the序数词置于名词前，有定冠词 the
2. 与名词构成复合形容词There is a secnd-hand bk stre.
3.当序数词有物主代词等修饰词时，不加the
This is my fifth birthday .That is his seventh ty car.This is Mary's first class.
This is her third kid. It is his eighth dg.
1.这是她的第三个孩子。2.它是他的第八只狗。
Chse and write.
1. The ______ car under the tree is uncle Wang's. (ne, first)2. I have _______ pens in my bag. (tw, secnd)3. The _______ wmen in the rm are talking abut the _____ bk. (six, sixth)4. The ________ bird in the tree lks beautiful. (five, fifth)
5. There are _________ students n the playgrund. (twenty, twentieth)6. Can yu see the ________ bx n the shelf? (eight, eighth)
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