（临沂专）中考英语总复习 第二部分 专项语法 高效突破 专项4 数词课件

第二部分第二部分 专项语法专项语法 高效突破高效突破专项专项4 4数词数词考点考点1 1 基数词基数词1.基数词的读法(构成)高频考点高频考点精讲精讲基数词规则例词112各自独立one；two；three；four；five；six；seven；eight；nine；ten；eleven；twelve1319 词尾加teenthirteen；fourteen；fifteen；sixteen；seventeen；eighteen；nineteen几十的表达法词尾加tytwenty；thirty；forty；fifty；sixty；seventy；eighty；ninety2199在十位与个位之间加连字符构成21读作 twentyone；99读作 ninetynine101999先说几百，再加and，再加末尾两位数或个位数101读作 one hundred and one；238读作 two hundred and thirtyeight1000以上的数将数字从右往左数，每三位数用一个逗号隔开，从右往左第一个逗号表示“千”读thousand；第二个逗号表示“百万”读million；第三个逗号表示“十亿”读billion18，657，421读作 eighteen million，six hundred and fiftyseven thousand，four hundred and twentyone2.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five 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 203203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/millions/billionsof名词复数。如：thousands of birds 数以千计的鸟；millions of people数以百万的人。考点考点2 2 序数词序数词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，20172017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。考点考点3 3 分数词的表达法分数词的表达法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。十年真题十年真题全练全练近十年来，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。考点考点1 1 基数词基数词1.2015临沂，56There were _ _(thousand)of people at the concert.thousands22014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 BthousandsCthousand of Dthousands of42012临沂，22Did you know that the earth is home to _animals?Amillion BmillionsCmillion of Dmillions ofsevenDD考点考点2 2 序数词序数词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 16，2012.82012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.sixthtwicefirsttentheleventhseventhsixth猜押预测猜押预测一、单项填空1There are _ months in a year.December is the _ month of a year.Atwelve；twelve Btwelfth；twelfthCtwelve；twelfth Dtwelfth；twelve2How many hours do you sleep every night?About _ hours.From 9：00p.m.to 6：00 am.Anine Bnineteen Cninth Dninety3What do you think of the environment here?Wonderful!_ of the land _ covered with trees and grass.ATwo fifths；is BTwo fifth；is CTwo fifths；are DTwo fifth；are4_ of the students in Class 6 have lunch at school.ATwo fifth BOne thirdsCThree fifth DThree quartersCAAD5Li Ming will be _His parents are going to have a party for his _ birthday.Asixteen；sixteenth Bsixteenth；sixteenthCsixteen；sixteen Dsixteenth；sixteen6Please turn to Page _ and take a look at the picture on it.Athe eightieth Beightieth Ceighties Deighty7He climbed so fast that he reached _ floor in two minutes.Anine Bthe nine Cthe ninth Dninth8More than two _ trees are planted in our neighborhood every year.Ahundred BhundredsChundreds of Dhundred ofADCA9Have you heard of TFBOYS?Certainly.About_teenagers love them very much in our school.Ahundreds Btwo hundreds ofCtwo hundreds Dtwo hundred10Meimei is going to be an older sister.Her parents are planning to have 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)DDfifthsecond3His office is on the_ _ floor of the tall building.(eight)4Though Suzy got the_ _place in the competition.She has 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)eighththirdtwelfththirtysecondtwentiethhundreds