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1、第二部分 专项语法 高效突破,专项4 数词,考点1 基数词,1.基数词的读法(构成),高频考点精讲,2.基数词的用法 表示数量多少。如：There are four people in my family.在我家里有四口人。 表示时刻。 直接读法：先读小时，后读分钟。如：3：25读作 three twentyfive。 间接读法： a)30分钟：分钟past小时。如：3：25 读作twentyfive past three；3：30 读作half past three；3：15 读作a quarter past three 。 b)30分钟：( 60分钟 )to(小时数1)。如：3：55读作f
2、ive to four；3：45 读作a quarter to four。 表示年(月)份和年龄。如：He was born in March，2004.他出生于2004年3月份。She is fifteen years old.她15岁了。 表示编号(顺序)。如：Unit 12 第12单元；Page 5 第5页；Room 203 203号房间。,表示年代。如：in the 1940s/1940s(读作in the nineteen forties)在20世纪40年代。 “基数词连字符单数名词(连字符形容词)”构成复合形容词，作定语，表示时间、距离等。如：an eightyearold boy
3、一个8岁的男孩；tenminute walk(ten minutes walk) 步行10分钟的路程。 “基数词more”或“another基数词”表示在原来的基础上增加数量。如：He will stay in China for two more weeks(another two weeks)他将在中国再多待两周。 确数与概数的表达法： 确数的表达法：基数词hundred/thousand/million/billion名词复数。如：three hundred students三百名学生；two thousand books两千本书。 概数的表达法：hundreds/thousands/m
4、illions/billionsof名词复数。如：thousands of birds 数以千计的鸟；millions of people数以百万的人。,考点2 序数词,1.基数词变序数词(口诀) 基变序，有规律，词尾要加th， 一二三，特殊记(first，second，third)， 八去t (eighth)，九去e(ninth)， ve要用f替(fifth，twelfth)， ty变作tie，再加th莫忘记(twentieth，thirtieth，fortieth，fiftieth.ninetieth)， 若遇几十几，只变个位就可以(twentyfirst.ninetyninth)。 2序
5、数词的用法 表示顺序，其前用定冠词the，后接单数名词。如：The second picture is more beautiful than the first one.第二张图画比第一张漂亮。 表示日期中的“日”。如：July 6th，2017 2017年7月6日。 序数词前用不定冠词a/an，表示“再；又”。如：Ive tried twice，but Ill try a third time.我已经试过两次，但我将再试一次。,考点3 分数词的表达法,1.分子用基数词，分母用序数词。如：one/a third 三分之一；one/a quarter，a/one fourth四分之一。 2当分
6、子大于1时，分母用复数形式。如：three fourths/three quarters四分之三；two fifths 五分之二。 【注意】 分数词作主语时，谓语动词数的形式根据分数词后面的名词来确定。,十年真题全练,近十年来，数词是临沂市中考的重点，几乎每年都考1道小题，考查内容侧重考查基数词和序数词的识记及它们的用法，考查形式有单项填空、词形转换、选词填空及听写等。预计2018年，基数词和序数词仍将是考查的重点，其中hundred，thousand，million等确数和概数的用法也要重点关注，分数的考查一般情况下不作重点。,考点1 基数词,1.2015临沂，56There were _
7、_(thousand) of people at the concert.,thousands,22014临沂，56There are _ _(seventh) small apples in the bowl. 32013临沂，21The government of Linyi is building_cheap and good houses for the people. Athousand Bthousands Cthousand of Dthousands of 42012临沂，22Did you know that the earth is home to _animals? Am
8、illion Bmillions Cmillion of Dmillions of,seven,D,D,考点2 序数词,5.2017临沂，61Please pass me the_ _dictionary from the left in the book case.(six) 62016临沂，59Brush your teeth at least_ _ (two)a day：in the morning and before bedtime. 72013临沂，62Liu Yang became the_ _(one) Chinese woman in space on June 16，201
9、2. 82012临沂，73October is the_ _(ten) month of the year. 92010临沂，71The_ _ (eleven) National Games were held in Jinan last year. 102009临沂，72Their apartment is on the _ _ (seven) floor of the building. 112008临沂，66Friday is the_ _(six)day of a week.,sixth,twice,first,tenth,eleventh,seventh,sixth,猜押预测,一、单
10、项填空 1There are _ months in a year.December is the _ month of a year. Atwelve；twelve Btwelfth；twelfth Ctwelve；twelfth Dtwelfth；twelve 2How many hours do you sleep every night? About _ hours.From 9：00p.m.to 6：00 am. Anine Bnineteen Cninth Dninety 3What do you think of the environment here? Wonderful!
11、_ of the land _ covered with trees and grass. ATwo fifths；is BTwo fifth；is CTwo fifths；are DTwo fifth；are 4_ of the students in Class 6 have lunch at school. ATwo fifth BOne thirds CThree fifth DThree quarters,C,A,A,D,5Li Ming will be _His parents are going to have a party for his _ birthday. Asixte
12、en；sixteenth Bsixteenth；sixteenth Csixteen；sixteen Dsixteenth；sixteen 6Please turn to Page _ and take a look at the picture on it. Athe eightieth Beightieth Ceighties Deighty 7He climbed so fast that he reached _ floor in two minutes. Anine Bthe nine Cthe ninth Dninth 8More than two _ trees are plan
13、ted in our neighborhood every year. Ahundred Bhundreds Chundreds of Dhundred of,A,D,C,A,9Have you heard of TFBOYS? Certainly.About_teenagers love them very much in our school. Ahundreds Btwo hundreds of Ctwo hundreds Dtwo hundred 10Meimei is going to be an older sister.Her parents are planning to ha
14、ve their_ child. Aone Btwo Cfirst Dsecond 二、词形转换 1The _ _talent show gave us a big surprise.(five) 2The young couple like kids very much and plan to have a _ _baby.(two),D,D,fifth,second,3His office is on the_ _ floor of the tall building.(eight) 4Though Suzy got the_ _place in the competition.She h
15、as tried her best.(three) 5Although he lives on the _ _ floor，he seldom uses the lift.(twelve) 6The _ _ Olympics will be held in Tokyo(东京) in 2020.(thirtytwo) 7They are organizing the_ _ sports meeting of their school.(twenty) 8There are _ _ of students taking part in the activities in the square.(hundred),eighth,third,twelfth,thirtysecond,twentieth,hundreds,
