（人教版）新七年级英语【暑假自学课】第05讲 数词（练习版）

第05讲数词【学习目标】考点分布考点内容命题焦点基数词序数词基数词和序数词的用法考查重点：基数词和序数词的基本用法常考题型：选择题和完型填空【基础知识】基数词：表示数目多少的词叫基数词。序数词：表示先后顺序的词叫序数词。基数词序数词序数词缩写记忆规律1onefirst1st基变续，有规律，词尾加上th;一二三，特殊记，词尾字母t,d,d(first,second,third);八减t(eighth),九去e(ninth)，f来把ve替(five---fifth,twelve---twelfth);单词ty作结尾，ty变成tie(twenty---twentieth);若是碰到几十几，只变个位就可以(twenty-one----twenty-first).序数词表顺序，一般需用定冠词。2twosecond2nd3threethird3rd4fourfourth4th5fivefifth5th6sixsixth6th7sevenseventh7th8eighteighth8th9nineninth9th10tententh10th11eleveneleventh11th12twelvetwelfth12th13thirteenthirteenth13th14fourteenfourteenth14th15fifteenfifteenth15th16sixteensixteenth16th17seventeenseventeenth17th18eighteeneighteenth18th19nineteennineteenth19th20twentytwentieth20th21twenty-onetwenty-fist21st30thirtythirtieth30th40fortyfortieth40th50fiftyfiftieth50th60sixtysixtieth60th70seventyseventieth70th80eightyeightieth80th90ninetyninetieth90th100onehundredOnehundredth100th200twohundredtwohundredth200th基数词的用法1）、两位数的表示方法：整十数+个位数。这些数中间用连字符-连接。22twenty-two33thirty-three59fifty-nine2）、三位数的表示方法：整百数and整十数-个位数201twohundredandone320threehundredandtwenty524fivehundredandtwenty-four3）、1000以上的数字1000onethousand3000threethousand巧记方法：后面有三个0，是巧记方法：后面有三个0，是thousand；6,000sixthousand六千后面有六个0，是million；5,000,000fivemillion五百万后面有九个0，是billion。1,000,000,000abillion十亿注意：Hundred,thousand,million,billion前面有具体的数字时，后面不加s；表示大概数字时词尾要加s，如：hundredsof（数以百计）；thousandsof（数以千计）。在英语里没有“万”，万的表示方法：一万tenthousand;六十万sixtythousand。序数词的用法1）、一般在前面加上the，但当序数词前面有物主代词等修饰时，不加the。Decemberisthetwelfthmonthoftheyear.十二月是一年中的最后一个月。It’sherninthbirthdaytoday.今天是她九岁的生日。2）、序数词前可以加上不定冠词a或者an，用来表示“再一；又一”。Icanhaveathirdtry.我可以再试一试。数词的其他用法1）、分数、倍数、小数和百分数的表示。=1\*GB3①分数：基数词/序数词（分子大于1时，分母用序数词的复数形式表示）。Onehalf1/2onethird1/3twothirds2/3threefourths3/4=2\*GB3②倍数：两倍用twice，三倍及三倍以上用“基数词+times”。Hegets

twiceasmuch

pocketmoneyasme.他得到的零花钱是我的两倍。Thelibraryisthreetimesthesizeofours.这个图书馆是我们的那个图书馆的三倍。=3\*GB3③小数：小数点以前的数，用基数词的读法读出，小数点以后的数，将数字一一读出，小数点读作point。twopointnine0.8zeropointeight15.238fifteenpointtwothreeeight0.009zeropointzerozeronine=4\*GB3④百分数：百分数中的百分号，读作percent。6%sixpercent0.8zeropointeightpercent78%seventy-eightpercent2）、年月日的表示法=1\*GB3①年的表示法:1949nineteenfortynine或者nineteenhundredandforty-nine1902nineteenzerotwo或者nineteenhundredandtwo2008twothousandandeight=2\*GB3②月的表示：in+某月inJune在六月=3\*GB3③表示某年某月用介词in，表示某年某月某日用介词on。inAugust2017读作inAugust,twentyseventeenonNovember23,1996读作onNovembertwenty-third,nineteeneight-six3）、时刻的表示=1\*GB3①表示整点时，用一个基数词表示。6:00sixo’clock10:00teno’clock=2\*GB3②表示半点时：half+past+钟点数或钟点数+thirty4:30halfpastfour或fourthirty6:30halfpastsix或sixthirty=3\*GB3③表示几点几分时：钟点数+分钟数9:05ninefive9:40eightforty=4\*GB3④past和to在表示几点几分时的用法：分钟数<30分钟：分钟数+past+钟点数11:15aquarterpasteleven或fifteenpasteleven10:20twentypastten分钟数>30分钟：分钟数+to+下一个钟点数8:50tentonine1:45aquartertotwo或fifteentotwo【考点剖析】考点1、数词的用法1．Therearethreestudentsinourschool.（）A．thousand B．thousands C．hundreds2．Nowthereareonlyaboutpandasinthewild.（）A．onethousandandsixhundred B．onethousandsixhundreds C．onethousandsixhundred考点2、基数词1．I'mnineyearsold.Mybrotheris________yearsold.Heisveryyoung.（）A．ten B．four C．fine2．﹣﹣﹣Howmanydaysarethereinaweek？﹣﹣﹣____days.（）A．Six B．Seven C．Eight考点3、序数词1．Thecomputerroomisonthe_floor.（）A．second B．one C．two6．Mayisthemonthoftheyear.（）A．first B．sixth C．fifth【真题演练】1．Thereareseasonsinayear.（）A．twelve B．four C．three2．Isee_______horsesinthepicture.（）A．two B．third C．fifth3．The______bearisstronger.（）A．four B．three C．second4．﹣Whendoyougotoschooleveryday？﹣______（）A．It′seight B．Eight C．Ateight5．Todayismybirthday．NowIam．（）A．ten；tenth B．tenth；ten C．ten；ten6．Jimisin_______．（）A．Classone，Gradesix B．Gradeone，Classsix C．ClassOne，GradeSix D．GradeOne，ClassSix7．5+3＝_______（）A．six B．nine C．eight8．Thereare______carsinthepark.The______carismyfather's.（）A．twelfth，firstB．twelve，third C．three，fiveth9．Thereare______________seasonsinayear.Winteristhe______________one.（）A．four，fourthB．four，forth C．fourth，four10．Thereare______monthsinayear.The_____monthisJanuary.（）A．twelfth，firstB．twelve，first C．twelve，one【过关检测】一、单选题1．Augustisthe_______monthoftheyear.(

)A．eighth B．tenth C．eleventh2．Lucyis______yearsold.Todayisher______birthday.(

)A．five;five B．five;fifth C．fifth;five D．fifth;fifth3．Teachers’Dayisinthe_______monthofayear.(

)A．third B．ninth C．tenth4．Thereare______monthsineachseason.(

)A．two B．three C．four D．twelve5．Thereare______daysinayear.(

)A．threehundredandsixty-fiveB．threehundredsandsixty-fiveC．threehundredsixty-fiveD．threehundredandsixtyfive6．Todayismy______birthday.(

)A．one B．tenth C．forty7．Aboutninety________studentsaroundtheworldjointheclub.(

)A．hundredsof B．hundred C．hundreds8．—Howoften________yourgrandpagotoworkbycar?(

)—_______aweek.A．do;Two B．does;Two C．does;Twice9．Look!Thereare________peopleinthesquare.(

)A．hundreds B．hundredsof C．hundredof10．(

)A．Itishalfpastninenow. B．Itissixforty-five. C．Itistenthirty.二、填空题11．Don'tbelateagain.Itisthe