还剩4页未读,继续阅读
文本内容:
高三复习英语备考数词的用法解析英语中表示数目的词为基数词,基数词最基本的有下面这些,所有其他基数词都可由这些
1.I nm IV1one11eleven2two20twenty12twelve3three30thirty13thirteen100a hundred4four40forty14fourteen1000a thousand5five50fifty15fifteen1,00,000a million6six60sixty16sixteen1000,000,0007seven70seventy17seventeen a billion8eight80eighty18eighteen9nine90ninety19nineteen10ten构成先说“几十”,再说“几”,中间加连字号:121-9926------twenty-six92------ninety-two先说“几百”,再加再加末两位数,或末位数:2101—999and,356-----three hundredand fifty-six708-----seven hundredand eight以上的数,先从后往前数,每三位加第一个号前为第二个“,”号前31,000thousand,为第三个“,”号前为十亿,然后一节一节地表示million,billion hundred,等词都用单数形式)thousand2,008two thousandand eight7,946seven thousand,nine hundredand forty-six369,400three hundredand sixty-nine thousandand fourhundred4,600,800four million,six hundredthousand,and eighthundred1,300,000,000one billionand threehundred million40,000,000forty billion基数词的句法作用基数词在句子中主要用作
1.定语D四万人观看了球赛Forty thousandpeople watchedthe game.美国由五十个州构成The United States ismade upof fiftystates,)主语2我们总共有六个人There aresix ofus inall.()两个是女生,四个是男生Two ofus aregirls andfour areboys.)宾语或介词宾语3一你要几个?一我要两个How manydo youwant Two,please.这座城市有一千二百万人The cityhas apopulation oftwelve million.)表语4我们总共十六个人We arealtogether sixteen.六力口九等于十五Six plusnine isfifteen.)同位语5有我们三个人的地方吗?Is thereroom forus three我们两个人照看孩子We twotook careof thechildren.基数词可以表示岁数,钟点等
2.我十岁时我爸爸去世了I lostmy fatherwhen Iwas ten..飞机五点三亥起飞The planetakes offat5:45ij.他生于年He wasborn in19951995基数词还可用于复数形式
3.今年盖起了数以百计的新楼Hundreds ofnew buildingshave beenput upthis year.战争中死了数以百万计的人Millions ofpeople werekilled inthe war.他三十一二岁He wasin hisearly thirties.这是(二十世纪)三十年代发生的事This tookplace in1930s.序数词表示顺序的词为序数词序数词大多由基数词加构成
4.-th(第四)(第十)(第十三)forth tenththirteenth有些序数词有特别的形式(第一),(第二),(第三)—first secondthird)(第五),(第八),(第九),(第十二)2fifth eighthninth twelfth)以结尾的词,变为再加如3y yi,-eth,(第二十),(第三十),(第四十)twentieth thirtiethfortieth)两位数的词,十位数不变,个位数用相关的序数词4(第二十四),(第三十一),(第四十二),twenty-fourth thirty-first forty-second(第九十九)ninety-ninth序数词主要用作定语,前面一般加定冠词
5.她是第三个孩子She isthe thirdchild.他们的办公室在第十二层楼Their officeis onthe twelfth floor.序数词有时用缩写形式他们坐电梯到层楼They tookthe elevatorto the85thfloor.85我们庆祝了共和国We celebratedthe57th anniversaryof thefounding of the Republic.成立五十七周年日期都用序数词表示
6.五月四日读为May4th Maythefourth八月一日读为August1st Augustthefirst在谈编了号的东西时常可用基数词表示顺序
7.第二部分第五章第页part twochapter fivepage230230第航班号房间北京路Flight707707Room203two-oh-three203208Beijing Rd.208号常可用缩写为基数词表示顺序
8.number No.+第十路公共汽车bus No.10我的房间为号My roomis No.
147.147分数词表示“几分之几”的词称为分数词分数词是由基数词和序数词合成的,基数词
1.代表分子,序数词表示分母,除分子为的情况外,序数词都用复数1one-fourth two-thirds three-fifths1one andthree-fourths另外还有下面表示法aonehalf aonequarterthree-quarters2two anda quarter分数词在句中可用作主语:
2.1四分之一的学生为女生A quarterof thestudents aregirls.中国居民十分之Over nine-tenths ofChina sinhabitants belongto theHan nationality.九以上为汉族人宾语或介词宾语2代他们用五分之一的钱进行基They usedone-fi hof themoney forcapital construction.本建设他]占人口的六分之——They accountfor onesixth of the population.6同位语或表语3约占我国Some565million people,about two-fifths ofour population,live inthis area.人口五分之二的五亿六千五百万人居住在这个地区这年的收成只是正常年产The cropof thatyear wasonly one-third ofthe usualamount.量的三分之一偶作定语或状语4ab它只有人头发丝的二十分之一a.Its one-twentieth thethickness ofa humanhair,中国比美国大六分之一小数及百b.China isone-sixth largerthan theUnitedStates.分数小数的读法如下L
1.9seven pointnine或
0.4zero noughtpointfour或
0.03noughtpoint noughtthree zeropoint zerothree
202.09six hundredand twopoint ohnine.小数作定语时较多3我们现在的粮食产量是年产量的Our grainoutput isnow
2.8times thatof
2000.2000倍
2.8在这些年里它的生产总值增Its totaloutput valuewas upover
5.9times inthese years.长了倍以上
5.9百分数由美作表示,多和连用,作状语
4.per centpercent by我们的棉花产量增长了百分之二十Our outputof cottonwent upby20per cent.价格降低了百分之十五The pricewas reducedby15per cent.也可单独作状语它的粮食产量比年增长了Its grainoutput was
17.6per centhigher thanin
2000.2000百分之十七点六我Our outputvalue ofchemical fertilizerwas12per centabove thatoftheprevious year.们化肥产量比前一年提高了百分之十二有时可用作主语宾语定语或状语
5.a,b,c d百分之四十的学生是女生a.40per cent ofthestudents arewomen.黑人占人口的百分之十b.Blacks constituteten per centofthe population.它比二月份增长百分之十七c.It showeda17percentincrease overFebruary.我看有百分之九十的可能性d.I thinkit sninety percent probable.。
个人认证
优秀文档
获得点赞 0