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1、高考英语语法复习：数词的用法数词包括基数词和序数词。基数词1.一般表达-teen,十几-ty,几十hundred,百thousand,千million,百万billion,十亿13---thirteen40---forty91---ninety-one100---one/ahundred1,000---one/athousand10,000---tenthousand100,000---onehundredthousand1,000,000---one/amillion1,000,000,000---one/abillionone/athousandmillion
2、5,487fivethousand,fourhundredandeighty-seven258,147twohundred,fifty-eightthousand,onehundredandforty-seven76,543,213seventy-sixmillion,fivehundredandforty-threethousand,twohundredandthirteen2.注意：1)zero=nought,表示号时可以读作zero,oe,gMyroomnumberis302.---threeotwo2).基数词和another,more连用时，表示再、又、
3、还，基数词放于more之前，放于another之后，如：e,gPleasegivemeonemoreapple.Ineedanothertwomoreminutestofinishmywork.3)Exercises:34__________________72_________________305__________________458_________________6,587_____________________________________234,158___________________________________12,345,678__
4、________________________________序数词表示事物顺序的词，往往与定冠词the连用。1.一般表达1st—thefirst2nd—thesecond3rd—thethird4th—thefourth5th—thefifth6th--thesixth17th---theseventeenth—thetwentieth30th—thethirtieth80th—theeightieth91st—theninety-first100th—theonehundredth101st---theonehundredandfirst1.注意1).序数词
5、前有the时表示排列顺序“第几”，序数词前有a/an表示“再一”，“又一”的意思:ThisisthefirsttimeIhavebeentoShanghai.IwillgotoShanghaiasecondtimenextmonth.---DoyouthinkthefilmLettheBulletsFlyworthseeing___secondtime?---Yes,without___question.Athe,theBa,theCthe,不填Da,不填2).不加the，相当于形容词或副词First,Iwillintroducemyself.Hegottwofi
6、rstprizeslastterm.3).倒数的表达倒数第二行thesecondlinefromthebottom/end倒数第二名thelastbutone倒数第三名thelastbuttwo数词的应用1.年月日、时刻及年代的表达1)年月日的表达：顺序为月、日、年，年月前用in,月日前用on,年月日前用on，月与年用逗号隔开。in1998---innineteenninety-eightin1990---innineteenhundredin---intwentyhundredin—intwothousandandseveninFebruaryinMayon1s
7、t---onthefirston15th---onthefifteenth在6月inJune,在九月一日onSeptember(the)first/onthefirstofSep.在10月1日onOctober(the)first,twentyten2)年代世纪在19世纪70年代inthe1870’s/1870s---intheeighteenseventies在80年代inthe1990’s/1990s---inthenineteennineties3）时间的表达整点:atnine(o’clock)a.m.atfivep.m.过几分:atfourthirty=a
8、thalf
