小升初英语专题-第17课时　数　词 （含答案） 全国通用

第17课时数词复习目标1．掌握基数词和序数词的拼写2．掌握数词的应用时间的表达年月日的表达知识梳理一、基数词和序数词构成对比表示数目多少或顺序先后的词叫做数词。英语中的数词分为基数词和序数词两类。基数词序数词基数词序数词基数词序数词onefirst(1st)eleveneleventhtwosecond(2nd)twelvetwelfthtwentytwentieththreethird(3rd)thirteenthirteenththirtythirtiethfourfourth(4th)fourteenfourteenthfortyfortiethfivefifth(5th)fifteenfifteenthfiftyfiftiethsixsixth(6th)sixteensixteenthsixtysixtiethsevenseventh(7th)seventeenseventeenthseventyseventietheighteighth(8th)eighteeneighteentheightyeightiethnineninth(9th)nineteennineteenthninetyninetiethtententh(10th)twenty­onetwenty­firsttwenty­twotwenty­secondtwenty­threetwenty­thirdtwenty­fourtwenty­fourthtwenty­fivetwenty­fifthtwenty­sixtwenty­sixthtwenty­seventwenty­seventhtwenty­eighttwenty­eighthtwenty­ninetwenty­ninth[巧学妙记]基数词变序数词的口诀基变序，有规律，一般词尾加上th。一、二、三特殊记，词尾字母t，d，d。八去t，九去e，ve要用f替。ty将y变成i，th前面有个e。若是碰到几十几，前用基来后用序。二、数词的常见用法时间的表达①所有的时刻都可以直接用“小时数(基数词)＋分钟数(基数词)”来表达。如：13：15thirteenfifteen6：38sixthirty­eight②整点用“小时数(基数词)＋o'clock”表示，其中“o'clock”可省略。如：5：00five(o'clock)③半点用“half＋past＋小时数(基数词)”表示。如：4：30halfpastfour④quarter表示“一刻钟”。如：8：15aquarterpasteight年月日的表达①年份的表达用基数词，写法用阿拉伯数字，先读前两位数，再读后两位数。如：1967读作nineteensixty­seven②月份的第一个字母需要大写，并且除了May(五月)都有缩写形式。除了五月，另外十一个月份的缩写依次是Jan.(一月)，Feb.(二月)，Mar.(三月)，Apr.(四月)，Jun.(六月)，Jul.(七月)，Aug.(八月)，Sept.(九月)，Oct.(十月)，Nov.(十一月)，Dec.(十二月)。③日一般用序数词表示，也可用基数词。④英语中表示日期的顺序为“月—日—年”(美式)或“日—月—年”(英式)。如：1987年6月2日写作June2nd，1987读作Junethesecondnineteeneighty­seven或thesecondofJune,nineteeneighty­seven单项选择。()Thereare________daysinaweek.Tuesdayis________dayoftheweek.A．seven;thirdB．seventh;thethirdC．theseven;thirdD．seven;thethird【解析】根据题意，一周有七天，days是名词复数，所以应用基数词，排除B。而基数词前不用the，序数词前应用the，因此可排除A和C。【答案】D单项选择。()—Whenisyourbirthday?—________A．It'sonthe2ndofMay.B．It'sonthe2ofMay.C．It's2ofMay.D．It'sonthe2ndMay.【解析】本题考查日期的表示法。“5月2日”应为“May2nd”或“the2ndofMay”。【答案】A考点闯关17一、写出下列单词的序数词或基数词。1．把下列基数词改为序数词。(1)one—________(2)five—________(3)eight—________(4)twelve—________(5)thirty—________(6)sixteen—________(7)twentytwo—________(8)seventynine—____firstfiftheighthtwelfththirtiethsixteenthtwentysecondseventyninth2．把下列序数词改为基数词。(9)third—________(10)seventh—________(11)sixth—________(12)second—________(13)fiftieth—________(14)sixtyfirst—_______threesevensixtwofiftysixtyone二、找出下列各组单词中不同类的一个，将序号填入题前括号内。()3.A.thirdB．threeC．thirteenD．thirty()4.A.oneB．firstC．twoD．seven()5.A.sevenB．elevenC．eightD．twentieth()6.A.firstB．secondC．elevenD．seventh()7.A.fifthB．fiveC．fiftyD．fifteenABDCA三、单项选择。()8.Marchis________monthoftheyear.A．athreeB．thethirdC．athird()9.Theclassbeginsat________(8：05)．A．fivetoeightB．eightfiveC．fiveeight()10.Eightplus(加)eightis________．A．sixteenB．sixtyfourC．one()11.Thereare________Englishbooksforstudentsintheschoollibrary.A．fourhundredsandfiveB．fourhundredsfiveC．fourhundredandfive()12.Thebridgeis________．A．fourmetreslongB．fourmetrelongC．fourmetreslongBBACA()13.Helivesin________．A．310roomB．room310C．Room310()14.Thisismy________time(次)toplaythepiano.A．atsecondB．twoC．second()15.The________dayoftheweekisSunday.A．firstB．oneC．third()16.Thereare________daysinayear.A．threehundredssixtyfiveB．threehundredandsixtyfiveC．threehundredandsixtyfive()17.Jackisin________．A．ThreeClass,OneGradeB．ClassThree,GradeOneC．GradeOne,ClassThreeCCABB四、根据实际情况用适当的数词填空。(填英文)18．Thereare________lettersinEnglishalphabet(字母表)．19．Thereare________daysinaweek.20．Thereare________hoursinaday.21．Thereare________minutesinanhour.22．Thursdayisthe________dayoftheweek.23．Thereare________daysinJanuary.twentysixseventwentyfoursixtyfifththirtyone五、改错题：找出下列各句中的一处错误，将序号写在括号内，并在后句的横线上改正。()24.ThereisAsixBbooksinCthebag.________()25.TodayAismyBelevenCbirthday.________()26.I'mAninthByearsCold.________()27.FebruaryAisthetwoBmonthoftheyearC.________()28.ThereareeighthAbooksBinmyCschoolbag.________AareCeleventhBnineBsecondAeight六、阅读短文，选择正确答案。LucyisanEnglishgirl.Sheisthirteen.Sheismyclassmate.Sheisagoodgirlandwearegoodfriends.MrWangisourChineseteacher.Heisagoodteacher.Lucyhasasister.HernameisLily.Sheisnotinourclass.SheisinClassTwo.HerChineseteacherisMrLi.Heisagoodteacher,too.()29.LucyandLilyare________.A．brothersB．sistersC．cousins()30.HowoldisLucy?A．Sheisthirty.B．Sheisthethirteen.C．Sheisthirteen.()31.MrWangisa________.A．ChineseteacherB．ChineseC．Lily'steacher()32.WhoisLily'sChineseteacher?A．MrWan.B．MrLi.C．MrWang.()33.AreLilyandLucyinthesameclass?A．Yes,theyare.B．No,sheisn't.C．No,theyaren't.BCABC