数词的用法基数词得读法1、hundredthousand(表示具体数字)millionbillion2、hundredsthousands(表示概数)millions(数以……计)billions二序数词得构成练一练一读出下列数字791039991,3026,896,203123,234,438,209第九第四十第五十二第八十六第三百零三_____________基数词得用法时间类型102)数词表示年月日英语年月日得顺序:月日,年a、在2011年5月1号写作:onMay1(st),2011读作:onthefirstofMay,twothousandandeleven或onMaythefirst,twothousandandelevenb、在1989年9月写作:inSeptember,198980%①Thewinneris___、Heisan___boy、A、eight-year-old;eightyearsoldB、eightyearsold;eight-year-oldC、eight-yearsold;eight-year-old②HecametoChina____、A、attheageof20B、whenheis20C、atageof20基数词常与名词构成得合成词在句中作定语,中间要用连字符“-”,这个名词只用单数形式、①Theriverisabout____、A、6,000meterslongB、6,000-meters-longC、6,000-meter-long一倍once,两倍twice,三倍threetimes(三倍或以上:基数词＋times)____ofthelandinthatdistrict_____coveredwithtreesandgrass、A、Twofifth,isB、Twofifth,areC、Twofifths,isD、Twofifths,are一般编码用名词+基数词207房三年级一班第五部分第一课3号汽车第一中学1、Itisnotrarein_____thatpeoplein____fiftiesaregoingtouniversityforfurthereducation、A、90s,theB、the90s,/C、90s,theirD、the90s,their2、Jackisnowin_____、thethreegradeB、GradeThirdC、GradeThree3、---Peter,howoldisyourfatherthisyear?----_______、Andwejusthadapartyforhis______birthdaylastweekFortieth,fortyB、Forty,fortyC、Forty,fortiethD、Fortieth,forthieth1、“加”用plus:[plʌs],and或add表示Howmuchistwoplusthree?Itisfive、Twoandthreeisequaltofive、2、“减”用minus:['mainəs]Howmuchistenminussix?3、“乘”times或者multiply['mʌltiplai]3X4＝?Howmuchisthreefour?4、“除”用divide得过去分词形式表示16÷4=?Howmuchissixteendividedbyfour?注:通常序数词前面要加定冠词the;但出现不定冠词a或an时,则表示“再一”,“又一”。Canyougivemeasecondtime、人民币RMB:yuan英镑GBP:pound(s)美元USD:dollar(s)欧元EUR:euro(s)常考习题选择题1、-------Whenwasheborn?--------Hewasborn_________、A、in1988June6B、onJune6,in1988C、inJune6,1988D、onJune6,19882、Thelibraryintheschoolisn'tlarge、Thereareonly_____booksinit、A、sixthousand,fivehundredandforty-oneB、sixthousandandfivehundredandforty-oneC、sixthousandsfivehundredfortyandoneD、sixthousand,fivehundredsandforthone3、AthoughIfailedfourtimes,myfatherencouragedmet