中考词汇专项复习--数词

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1、中考词汇专项复习之数词［中考热点］1.基数词、序数词的用法2.hundred,thousand,million的用法3.分数数词基本知识讲义一数词的分类1基数词(1)1—10onetwothreefourfivesixseveneightnineten(2)11一19eleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteen个位+teenteenager青少年⑶20…99twentythirtyfortyfiftysixtyseventyeightyninety一nine儿十加儿⑷10

2、1onehundredandone340threehundredandforty648sixhundredandforty—eight2,648twothousandsixhundredandforty―ight16,250,064sixteenmilliontwohundredandfiftythousandsixty一four从右到左,每三位加逗号,依次加thousiind,million,billion⑸表示确切的数字：直接用数字+hundred,thousand,million,billion+名词复数Threehundredpeoplearehere

3、・表示不确切的数字：(概数)+(hundred,thousand,million,billion)的复数形式+of+名复Severalhundredsofpeoplearewaitingthere.★inone*s+“儿十”复数：表某人儿十岁时Inhisthirties,hecametruehisdreams.★inthe+年代复数：表不确切的年代：Shediedinthe1980s.二十世纪八十年代★twosandthrees三三两两Peoplecametothetheatretwosandthrees.★时钟表示法：整点：儿+o,clock5:00five

4、o'clock分钟+past+小时:几点过几分halfpasteightaquarterpasteight分钟+to+小时：几点差几分tentoeightaquartertotwelve直读法：10:26tentwenty一six★年月日表示法：1949nineteenforty-nine1800eighteenhundred253twofifty-three1902nineteenotwo两位两位一读★具体到某一年的表达：inthewinterof1980intheyear20122序数词(1)第一到笫十九：first—1st,second—2nd,thir

5、d—3rd,fourth-4th,fifth—5th,sixthseventheighthninthtentheleventhtwelfththirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenth⑵第几十、第几十几:twentieththirtiethfifty—sixthninety-third⑶第一百以上的多位序数词：Onehundredandtwenty—first第一百二十一★a+序数词+名词:表再,又：asecondtime,afourthtime★thefifthpa

6、ge=page5★世纪the+序数词+centurythesixthcenturyInthe(early/mid/late)1930's/inthe1930s在20世纪30年代早期/中期/晚期★几月几日：Maythefirst五月一日May1st.3分数2弓twoandthree分子…基数词；分母一序数词；分子>1时，分母用复数3/4threefourths/threequarters1/3onethird1*oneandahalfquarters4小数和百分数0.4zeropointfour10.23tenpointtwothree1.09onepointo

7、nine1.05meters1.5tons(>1时)百分数二基数词+percent50%fiftypercent0.12%zeropointonetwopercent.★数量表示法：1表长宽高面积等：基数词+单位词(meters,foot,inch,kilogram,ton等)+形容词(long,wide,high等)=基数词+单位词(meters,foot,inch,kilogram,ton等)+in+名词(length,width,height,weight等)Twometerslong=twometersinlength2表时间、距离等时：基数词+单位(

8、复数)，s+吋间或距离Fiveminu