英语数字用法Word文档格式.docx

1、（5） 用a还是用one130 a/one hundred and thirty1000000 a/one millionI. One更正式、更准确、可表示强调：e.g. The total cost was one hundred and sixty three pounds exactly.It cost about a hundred and fifty dollars.II. a只能用于数字的开头：1000 a/one thousand2100 two thousand one hundred 不说two thousand a hundredIII. 1100到1999之间的数字一般不

2、用a:1099 a/one thousand and ninety-nine1100 one thousand one hundred1340 one thousand three hundred and forty不说a thousand three hundred and forty 序数词1st first 5th fifth 2nd second 9th ninth3rd third 12th twelfth4th fourth 21st twenty-firstetc.分数1/2 a/one half1/3 a/one third1/4 a/one quarter（美式英语亦作a/o

3、ne fourth）表示强调用one不用a1/12 one twelfth1/16 one sixteenth2/3 two thirds3/4 three quarters（美式英语亦作 three fourths）9/10 nine tenths较复杂的分数 用over19/56 nineteen over fifty-six31/144 thirty-one over one four four整数和分数 用and连接2 two and a half5 2/3 five and two thirdsOne加分数后用复数名词：1 1/2pts one and a half pints分数/

4、百分数和名词短语 用of连接A fifth of the women questionedThree quarters of the population75% of the population表示一半（half）时不用冠词a,有时可省略ofHalf （of） the work is already finished.在表示度量或数量的短语中不用ofHow much is half a pint of milk?It takes me half an hour by bus.在代词前用ofWe cant startonly half of us are here.分数/百分数和动词分数/百分

5、数与不可数名词或单数名词连用时，动词一般为单数：Fifty percent of the land is cultivated.Half （of） the land is cultivated.单数集合名词的谓语动词在美式英语中用单数，但在英式英语中用单、复数均可：Three quarters/75% of the workforce is/are against the strike.名词为复数，谓语动词亦为复数：Two thirds/65% of children play computer games.小数 读和写均用小数点（.）（不用逗号）表示小数点后的数字逐个读出：79.3 seve

6、nty-nine point three3.142 three point one four two0.67 （zero） point six seven （英式英语亦读作nought point six seven）数学表达式+ plus- minus times/ multiplied by divided by= equals/is% per cent （美国英语用percent）32 three squared53 five cubed610 six to the power of ten square root of 数字0数字0在英式英语中有几个不同的名称，而在美式英语中通常用ze

7、ro表示：用于精确的科学、医学和经济语境，亦用以表示温度：It was ten degrees below zero last night.Zero inflation/growth/profitNought在英式英语中用以表示数字、年龄等：A million is written with six noughts.The car goes from nought to sixty in ten seconds.clothes for children aged nought to six美式英语o/ u/ 用以读出银行账号、电话号码等电话号码每个号码分别读出，o读作/ u/（英式英语）或/o

8、/（美式英语）：（01865）556767 o one eight six five, five five six seven six seven（或 double five six seven six seven）温度摄氏温标（）在英国为官方用法，在美国用于科技语境：a high of thirty-five degree CelsisuThe normal temperature of the human body is 37.华氏温标（F）在美国用于科技以外的其他各个方面，在英国仍普遍使用。Degrees/Fahrenheit/Centigrade/Celsius（华氏度/摄氏度）这些词

9、常常省略：Temperature soared to over a hundred.（100F）Shes ill in bed with a temperature of a hundred and two.（102货币在英国100 pence/p=1 British pound （1）It costs 90p/90 pence return on the bus.表示单枚硬币： a twenty pence piece/ a twenty p piece表示英镑和便士通常只说数字：It only cost five ninety nine. （5.99）在非正式英式英语：1 a quid a

10、 penny 一分硬币5c five cents a nickel 五分硬币10c ten cents a dime 一角硬币25c twenty-five cents a quarter 二角五分硬币$1.00 one dollar a dollar bill 一元纸币在非正式美式英语中美元叫buck: This shirt cost fifty bucks.英语日期的读和写1. British English 英式英语15 October 1997 或15th October 1997 （15/10/97,即：日/月/年）His birthday is on the ninth of No

11、vember.His birthday is on November the ninth.2. American English 美式英语May 16, 1996 （5/16/96, 即：月/日/年）Her birthday is May 16th. 3. Years 年份1998 读作nineteen ninety-eight1609 读作sixteen o nine1500 读作fifteen hundred2000 读作（the year） two thousand2005 读作two thousand and five2016 读作twenty sixteen4. 公元纪年 AD 76

12、/ A.D. 76 读作AD seventy-six76 CE/ 76 C.E. 读作seventy-six CE （上述两种表示法均指公元76年。）5. 1000BC/ 1000 B.C. 读作 one thousand BC1000BCE/ 1000 B.C.E. 读作 one thousand BC（上述两种表示法均指公元前1000年。年龄表示一个人的年龄只用数字：Sue is ten and Tom is six.She left home at sixteen.岁的男子/女子/男孩/女孩等：Theyve got a girl of three and a boy of five.a

13、young woman of nineteen.书写、描述或强调某人的年龄用years oldShe was thirty-one years old and a barrister by profession.He is described as white, 5ft 10 ins tall and about 50 years old.Youre forty years oldstop behaving like a teenager!years old亦用以表示事物存在的时间：The monument is 120 years old.亦可用ayear-old/month-old/wee

14、k-old等表示：Youth training is available to all sixteen-year-olds.a ten week-old babya remarkable 1000 year-old tomb正式用语或书面语用years of age:Not applicable to persons under eighteen years of age.表示某一年龄段的人用theage group:He took first prize in the 10-16 age group.表示一个人的大致年龄：13-19in his/her teens21-29 in his/h

15、er twenties31-33 in his/her early thirties34-36 in his/her mid thirties37-39 in his/her late thirties特指某事情与某年龄有关可用at/by/before etc. the age of:Most smokers start smoking cigarettes before the age of sixteen.用于时间的数字表示时间的方法通常不止一种：半小时6:30 six thirty Half past six（英式英语） Half six （非正式英式英语）其他时刻5:45 five f

16、orty-five （a） quarter to six（BrE）/ （a） quarter to/of six（NAmE）2:15 two fifteen （a） quarter past two（BrE）/ （a） quarter after two（NAmE）1:10 one ten ten past one（BrE）/ ten after one（NAmE）3:05 three o five five past three（BrE）/ five after three（NAmE）55 one fifty-fvie five to two（BrE）/ five to/ of two（NA

17、mE）表示5、10、20和25分钟不必用minute,但表示其他分钟用minute:10.25 twenty-five past/after ten10.17 seventeen minutes past/after ten只有表示整点才用oclcok: Its three oclock.上午、下午、傍晚或是晚上就用in the morning、in the afternoon、in the evening或at night。在较正式的语境中用：a.m.= in the morning or after midnight早上或午夜以后p.m.=in the afternoon, in the evening or before midnight 下午、晚上或午夜以前He gets up at 4 a.m. to deliver the mail.oclock不与a.m.或p.m.同时用。