1、高考资源网() 您身边的高考专家2011高考英语备考(考点聚焦+名题导解) 数 词一、考点聚焦1、序号表示法(1)单纯的序号,可在基数词前加number,简写为No.。如:No.1第一号(2)事物名词的序号表达法有什所不同:对于一些小序号可有序数词也可用基数词表达,形式分别为:the +序数词 + 名词;名词 + 基数词。如:第一次世界大战可以表示为the First World War或World War One。对于一些大序号我们通常只用一种表达法,即名词 + 数词。如:501号房间表示为Room 501, 538路公共汽车表示为Bus 538。可用a / the + number + 基
2、数词 + 名词。如:a No.5 bus一辆五路公共汽车,the No.8 bus那辆8路公共汽车。2、倍数的表达方式一般情况下我们用以下三种倍数表达方式:(1)倍数用在as + 形容词 / 副词(原级)+ as结构之前。如:They have three times as many cows as we do.(2)倍数放在形容词或副词的比较级之前或by + 倍数用在比较级之后。如:This rope is four times longer than that one.They produced more products in 2001 than those in 2000 by twi
3、ce.(3)倍数用在表示度量名词前,其基本结构为:倍数 + the + size / length / weight + of + 表示比较对象的名词,也可用于倍数 + what引导的从句中。如:This room is three times the size of that one.The college is twice what it was 5 years age.You cant imagine that rats eat 40 to 50 times their weight.3、大约数的表示方法(1)用ten、dozen、score、hundred、thousand、milli
4、on等数词的复数后加of短语来表示几十、几百、上千、成千上万等大约数概念。如:The little boy buys dozens of pencils every term.Thousands of people died in the earthquake.Every year tens of thousands of people go to work in Guangdong Province.(2)用、less than、under、below、almost、nearly、up to 等来表示小于或接近某数目。如:He is good at English, so he can fi
5、nish the paper in less than two hours.(3)用more than、over、above、beyond、or more等来表示超过或多于某个数目。如:Peking University has a history of more than 100 years.(4)用or、or so、about、around、some、more or less等表示在某一数目左右。如:About 50 people were present at that time.(5)用to、from to、between and表示介于两数词。如:His salary rises f
6、rom 20 dollars a week to 35 dollars a week.(6)注意事项:dozen、score、hundred、thousand、million作数词表示确切数量时,不用复数。如:three score, five dozen, seven million等。4、分数的表达方式(1)分子用基数词,分母用序数词,分子大于1时,分母用复数。如:one-third三分之一,three-sevenths七分之三。(2)分子与分母之间加in, 分子在前,分母在后,分子分母都用基数词。如:one in ten 十分之一,five in eight八分之五。(3)分子与分母之间
7、加out of , 分子在前,分母在后,分子分母都用基数词。如:one out of ten十分之一,five out of eight八分之五。5、百分数的表示法(1)表示百分数直接将数词放在单词percent前面即可,如:twenty percent百分之二十。(2)分数和百分数后面不能直接接名词或代词,而用以下形式:分数/百分数 of + 冠词 / 限定词 + 名词 / 代词 ,其谓语动词与of后的名词在人称和数上保持一致,如:Two-thirds of the money was spent on food.About seventy percent of the earth surf
8、ace is covered by water.6、小数的表示法小数的表示法,小数点前的总值发同其他数词一样,小数点用point,小数点后面的数读成个位数,如:9.65表示为nine point six five。218.39表示为two hundred and eighteen point three nine。二、精典名题导解选择填空1. _ people in the world are sending information by E-mail every day.A.Several million B.Many millionsC.Several millions D.Many mi
9、llion解析:答案为A。本题考查的是million表示确切数量的用法。million前需用数表确切数量,而不用many这类词,但可说many millions of(上百万的),故本题中用Several million。2. The number of people invited _ fifty, but a number of them _ absent for different reasons.A.were ; was B.was ; was C.was ; were D.were ; wereZ&X&X&K解析:答案为C。本题考查的是the number of + 名词与a num
10、ber of + 名词作主语时谓语的单复数问题。the number of是“的数目”,作主语时谓语动词用单数,而a number of 后接可数名词的复数形式,作主语时谓语动词用复数形式,故此题最佳选项为C。3. Shortly after the accident, two _ police were sent to the sport to keep order .A.dozens of B.dozens C.dozen D.dozen of 解析:答案为C。此题考查的是数词dozen表示确切数量时的用法,dozen表示确切数量时用其单数形式,当dozens的复数后接of时则表示不确切数量,本题答案为C。高考资源网版权所有,侵权必究!