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1/5数词NamePart1:InterestingEnglish.Thefifthdayofaweekis.Thefourthmonthoftheyearis.Thethirdseasonoftheyearis.Part2:Learning.数词数词分为基数词和序数词两种。1．最基本的基数词1one,10ten,20twenty,30thirty,40forty,50fifty,60sixty,70seventy,80eighty,90ninety,100ahundred,1,000athousand,1,000,000amillion,1,000,000,000abillion2.在百位和十位之间，要用“and”.例如：1324onethousandthreehundredandforty-two.3.hundred,thousand,million,dozen,score前面如有表示具体数字的词，它们前不能加“s”,反之则必须加“s”.例如：thousandsoffivethousand1.最基本的序数词first，second，third，fourth，fifth，sixth，seventh，eighth，ninth，tenth，eleventh，twelfth，thirteenth，nineteenth，twentieth，fortieth，fifty-first，eighty-third，ninety-fourth2．十位整数的序数词的构成方法是，是将十位数整数基数词的词尾-y变成i再加-eth.基数词：表示数目的词。序数词：表示数目的顺序的词。2/5特殊记忆：one-first,two-second,three-third,five-fifth,nine-ninth,twelve-twelfth,forty-fortieth,ei基数词：thirteen,fifteen,eighteen,twenty,forty,fifty,eighty序数词：first,second,third,fifth,fifty,eighth,twelfth,fortieth,eightieth.基数词：1.东西编号码（通常把基数词放名词的后面）如：Room404,Page8=theeighthpage.2.用来表示年份（先读一位数或两位数，再读后两位数）如：1998nineteenninety-eight3.表示时刻，如：6：30sixthirty,时刻既可直接照表上数字，也可按如下方法读：分钟≤30：分钟＋past＋点钟如：9:05,fivepastnine或ninefive分钟＞30：60－分钟＋to＋点钟（＋1）如：4:35读作twenty-fivetofive或fourthirty-five一刻钟用：aquarter,5:15aquarterpastfive，或fivethirty半用：half5:30halfpastfive，或fivethirty4.“万”读做“tenthousand”，如：12000“twelvethousand”“十亿”读做“billion”，如：1000,000,000“onebillion”序数词:1.“日”通常按序数词读出，前面用the；2.表示分数时，分子用基数词，分母用序数词。当分子大于1时，分母的序数词后加s。例如：1/2ahalf(onehalf)，2/3twothirds，3/4threefourths(threequarters)注：序数词前面要加定冠词。如：thefirst,thesecondlargestriver表示一次用“once”，表示二次用“twice”，三次以上用：“基数词＋times”基数词和序数词有分别有哪些作用呢？3/5TestScoreI.写出下面基数词的英语。2031111210090647829224537II.写出下面词的序数词。14216615305510923III.读出并写出下列日期1.1949年10月1日2.1927年7月3日3.June4theighteeneighty-nine4.November30th,sixteenninety-nine5.January2nd,seventeenfifty-oneIV.用英语写出列点（用两种形式）What’sthetime?It’s.1.2.3.4.5.·····4/5HomeworkScoreI.写出下面时间的英语。8:006:308:053:1510:403:459:557:204:255:351:082:17II.Fastreading.（快速阅读）Thisisourschool.Itisverynice.Thereisagardeninourschool.Therearethirty-threetreesandfifty-fiveflowersinourschoolgarden.Therearetwentyclassesinourschool.Thereareaboutfortystudentsineveryclass.Wehaveoverfiftyteachers.Mrs.Muisourheadmaster.Ourclassesbeginateight.Westudyhard.Afterclass,weoftenplaygames.Welikeourschoolandourteacher.III.Choosethecorrectanswers.1.Howmanytreesarethereinourschool?()A.Four-fourB.Fifty-fiveC.Thirty-threeD.Thirty-three2.Thereareaboutstudentsinourschool.()A.400B.600C.200D.8003.Wehavemorethanteachers.()A.fifteenB.fortyC.fiftyD.fifty4.Thereisgarden.()A.twoB.aC./D.three5.Whattimedoourclassesbegin?()A.7:40B.8:00C.8:30D.9:005/5IV.选择正确的词语来表示句中划线部分的意义。★1．It’sabout13metreshigh,Ithink.A．ThirtyB．thirty-oneC．thirteenD．one-third★2．Thereare43seatsonthebus.A．fourandthreeB．forty-threeC．fortythreeD．fort-third★3．Sheusuallygetsupat5:45inthemorning.A.threequarterspastfiveB.threequarterstosixC.aquarterpastfiveD.aquartertosix★4．Thetrainwillarriveat7:30p.m.A．ahalfpastsevenB．ahalftoeightC．seventhirteenD．seventhirty★5．Wehadlearnedover900Englishwordsbytheendoflastweek.A．ninehundredsB．ninehundredsofC．ninehundredD．ninehundredof家长签名：