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1、专题复习（三）数词基数词一、确切数：one,two…,twenty-one…,onehundredandone,2680;25,468;17,280,258.（注意读法）不确切数：thousandsofstudentsafew/many/severalthousandsofstudentsafew/many/severalthousandstudents二、年龄确切数：85yearsold/attheageof85/an85-year-oldlady不确切数：inhereighties三、年份in1999/2000/2012/1903/18
2、00(2种读法)inthe1950’s/1950s(inthefiftiesofthe20thcentury或inthenineteenfifties)intheearly/mid-/late1950s四、价格Twentydollars(＄20)isenough.Howmuchisthebag?What’sthepriceofthebag?Howmuchdoesitcost?Howmuchisitworth?五、时间What’sthetime(byyourwatch)?Doyouhavethetime?Whattimeisit?It’s50
3、’clock.at7:05,6:30,8:15,8:45(2种读法)序数词一、规则：-th,fourth,sixth,…特殊：first,second,third,fifth,eighth,ninth,twelfth,fourteenth,nineteenth,…整十：twentieth,thirtieth,fortieth,ninetieth,…几十几：twenty-first,fifty-fifth,…缩写：1st,2nd,3rd,4th,20th,23rd,32nd二、与冠词连用：Sheisthesecondtofinishthete
4、st.We’vetriedit3times.Mustwetryitafourthtime?thefirstlesson=LessonOnethetwenty-secondroom=Room22三、日期：onOctober1(st)（读：Oct.thefirst或the1stofOctober）－Whenisyourbirthday?－It’sonJanuary4th,1985.inJanuary,February,March,April,May,June,July,August,September,October,November,Dece
5、mber.What’stoday?ItisSaturdaythefifth.What’sthedatetoday?ItisFebruarythesecond.分数子基母序，如果分子>1，分母S加上去。threefourths/threequartersonequarterahalfmeters→twoandthreefourthsmetershours→oneandahalfhoursonehourandahalf9英语第二轮复习小数、百分数1.04onepointofour1.04meters0.4zeropointfour0.4ton(
6、吨)10.23tenpointtwothree50%(Fiftypercent)ofthestudentsareboys./Threequartersofthestudentsareboys.Fiftypercentofthewaterisclean./Threequartersofthewaterisclean.倍数、数量1.Thisroomis3timesbiggerthanthatone.=Thisroomis4timesasbigasthatone.2.twometerslong=twometersinlength3feethigh
7、=3feetinheightfourincheswide=4inchesinwidth2kilogramsinweight基数词+单位词+adj./in+n.3.-7℃sevendegreesbelowzero=minussevendegrees4.another3apples=3moreapples=3otherapplesafew/some/several/manymoreapplesalittlemorewater巩固练习1.Now,everybody,pleaseturntoPageandlookatthepicture.A.Fif
8、th,fiveB.Five,fifthC.Fifth,fifthD.Five,five2.ofthelandinthatdistrictcoveredwithtreesandgr
