2014中考复习课件(专题五：数词).ppt

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1、2014中考复习课件中考复习课件 专题五：数词专题五：数词专题专题5 5 数词数词 考点直击点睛点睛 表示数目多少或顺序先后的词叫数词。数词包括 基数词和序数词。1基数词的用法基数词的用法1表示章、课、页码。如： Lesson One, Page 882表示房间号、门牌号、路、电话号码。如： Room 108, 108 Shanghai Road3表示年代、日期、时刻。如： in the 1980s, 05：45 five forty-five 专题专题5 5 数词数词 4表示小数、百分数、分数、倍数。(1)表示分数。分子用基数词，分母用序数词，当分子大于一时，分母的序数词要用复数。表示几分之

2、几的人或物时，要用介词of，若该结构作主语，谓语动词与of后的名词在数上保持一致。如：Three quarters of the students have passed the exam. 四分之三的学生考试及格了。Two thirds of the money was spent on food.三分之二的钱都花在食物上了。专题专题5 5 数词数词 (2)表示百分数： 基数词percent。若表示百分之几或百分之几十的人或物时要加of，该结构作主语时，谓语动词的数与of后的名词在数上保持一致。如：Forty percent of the students wear glasses.百分之四

3、十的学生戴眼镜。专题专题5 5 数词数词 2序数词的构成序数词的构成1“第一”、“第二”、“第三”分别是 first, second, third。2“第四”到“第二十”序数词的构成：“第四”到“第二十”除了fifth, eighth, ninth, twelfth是特殊的拼写外，其余的都是在相应 基数词后面加-th构成。如： fourth3整十序数词的构成。 整十的序数词由相应的基数词变y为i，再加-eth；非整十的 多位数，将个位数变成序数词即可。如： thirtieth, twenty- third4hundred, thousand, million 等的序数词形式为 hundredt

4、h, thousandth, millionth。专题专题5 5 数词数词 3序数词的用法序数词的用法 一般情况下，序数词前要加定冠词the；若序数词前用不定冠词a/an，则表示次数在原有基础上的增加，意为“再一、又一”，相当于another。如： Im going to Australia a second time next month. 下个月我打算再去一次澳大利亚。专题专题5 5 数词数词 4数词的其他用法数词的其他用法1表达“几十多岁”时用“in ones 整十位数的基数词的复 数形式”。如： in his thirties 在他三十几岁的时候2“基数词单数可数名词形容词”作定语修饰

5、名词。如： an 800-metre-long bridge一座800米长的桥3数词前加every, 表示“每一段时间/每隔一段时间”。如： every ten days 每十天/每隔九天4hundred, thousand, million的用法 hundred, thousand, million等前面若有具体数字，其要用 单数形式表示确数；它们后面若有of，则要用复数形式且 前面不能加具体数字，表示约数。 专题专题5 5 数词数词 考点过关 基础过关基础过关 . 根据所给提示填空1_ (千) of Japanese people lost their lives in the earth

6、quake in 2011. Chinese people tried their best to help them. 2Our team won _ (第二名) prize in the competition.3Ive lived in Liuzhou for_(十) years.4In the_(第九) tree from the right there is a big bird.Thousands second ten ninth 专题专题5 5 数词数词 5Yesterday was Fathers Day and it was just my cousins _ (二十) bi

7、rthday. 6Though my grandfather is in his _ (seventy), he has got a QQ number.7I have tried three times，and the teacher asks me to have a _ (four) try.8Fathers Day is on the _ (three) Sunday of June.twentieth seventieth fourth third 专题专题5 5 数词数词 . 单项选择()1. _volunteers will give out leaflets to ask pe

8、ople to protect the wetlands. A. Two hundreds B. Hundreds of C. Two hundred of D. Hundred of()2. There are_ days in a week and Tuesday is _ day of the week. A. seven; third B. seven; the third C. seventh; three D. the seventh; threeBB 专题专题5 5 数词数词 ()3. There are _ teachers in our school, _ of them a

9、re women teachers. A. two hundreds; three fourth B. two hundred; three fourths C. two hundred; three forths D. two hundreds; three fourths()4. Now, everyone, please go to the _ floor and enter the _room. A. second; fifth B. Two; fifth C. second; five D. Two; fiveBA解析解析 hundred 与具体数字连用时，用单数。分数表达法：分子用

10、基数词，分母用序数词，分子大于一时，分母用复数。 专题专题5 5 数词数词 中考透视中考透视 ()1. 2013湛江湛江 What day is it today? Its Monday, and its my _ birthday. A. fifteen B. fifteenth C. the fifteen D. the fifteenth()2. 2013宜宾宜宾 “Food Safety” has become one of the hottest topics recently. Yeah, it receives_ Internet hits (点击) a day. A. thou

11、sands B. thousand of C. thousands of D. ten thousands BC 专题专题5 5 数词数词 ()3. 2013黄石黄石 Its said that_ of the water around the world_ polluted. A. two third; has B. two thirds; have C. two third; are D. two thirds; isD解析解析分数表达法，分子用基数词，分母用序数词，分子大于一时，分母加s。water为不可数名词，故谓语动词用单数。 专题专题5 5 数词数词 ()4. 2013 黄冈黄冈

12、What should we do now, Mr. Clark? Please turn to Page _ and look at the _ picture. A. Twelve; fifth B. Twelfth; fifth C. Twelve; five D. Twelfth; five()5. 2013雅安雅安 We planted _ trees last year. Ahundreds of Bhundred of Cfive hundreds Dfive hundred ofAA专题专题5 5 数词数词 ()1. In her _ birthday, I sent her

13、a toy as a present. Aeight Beighth Cthe eight Dthe eighth()2. 2013天津天津 Where is Class _？ Its on the _ floor. ASix; third BSixth; third CSix; three DSixth; threeB 语法专练 A 专题专题5 5 数词数词 ()3. John lives on _ floor. He uses a lift to go up and down. Anine Bthe ninth Cninth Da ninth()4. This is the _ time

14、in _ days that he has made the same mistake. Asecond; third Btwo; three Ctwo; third Dsecond; threeB D专题专题5 5 数词数词 ()5. The woman doesnt look her age. I think shes _ Ain her forty Bin the fortieth Cin her forties Din forties()6. 2012广东广东 Excuse me, sir. Heres a package for Lin Tao. Which room does he

15、 live in? _ A308 Room BRoom 308 CThe Room 308 DThe 308 RoomCB 解析解析几十多岁的表达为“inones整十位数的基数词的复数形式”。 专题专题5 5 数词数词 ()7. 2013济宁济宁 The earthquake in Yaan left _ people homeless. Atwo thousands Bthousands of Ctwo thousands of Dtwo thousand of()8. 2013贺州贺州 This tall building has _floors. And Tony lives on th

16、e _floor. A. twelve; twelve B. twelfth; twelfth C. twelfth; twelve D. twelve; twelfth B D 解析解析 thousands of意为“成千上万的”，表示不确切的数字。句意：雅安地震让成千上万的人无家可归。 专题专题5 5 数词数词 ()9. How much does it cost to build that tall building? Four _ yuan. Amillion Bmillions Cmillions of Dmillion of()10. The Great Pyramid is ab

17、out _ high. A144 meter B144-meter C144-meters D144 metersA D 解析解析 144 meters high在句中作表语；144-meter-high为“基数词-单数名词-形容词”构成的复合形容词，在句中作定语。 专题专题5 5 数词数词 ()11. _ percent of the boys _ playing football. ASeventy; likes BThe seventieth; like CSeventy; like DThe seventieth; likes()12. _the worlds books and ne

18、wspapers are written in English. AThree thirds BThree fourth of CThree quarters of DThree quartersC C 解析解析表示百分数时用“基数词percent”。若表示百分之几或百分之几十的人或物时，要加of，该结构作主语时，谓语动词的数与of后的名词的数保持一致。 专题专题5 5 数词数词 ()13. Two days is not enough for him to finish the work. He needs _ day. Aother Bthe other Cthe third Da thi

19、rd()14. To finish the task on time, at least _ workers are needed. Afive another Bmore five Canother five Dother fiveDC专题专题5 5 数词数词 ()15. After having a cup of tea, he asked for _ Atwo more Bmore two Cmore than two Dtwo cups()16. The old building was founded_. Ain 1820s Bin the 1820 Cin the 1820s Di

20、n the 1820s ()17. In the past twenty years, many tall buildings have been built in our city. Look! This is a _ A70-floor building B70-floors building C70-floor buildings D70 floors buildingA C A 专题专题5 5 数词数词 ()18. It took me _ to climb to the top of the hill yesterday. Aone and a half hours B. half and an hour Can hour and one half D. one oclock and a half ()19. Take the medicine_. Athree times everyday Bthree times a day Ca day third times Dthree times some day()20. Lily came _ in the race. Asecond Ba second Cthe second Dthe secondsA B A