专题 5 数词专题5 数词 考点直击点睛 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 1表示章、课、页码。如： Lesson One, Page 88 2表示房间号、门牌号、路、电话号码。如： Room 108, 108 Shanghai Road 3表示年代、日期、时刻。如： in the 1980s, 05：45 five forty-five 专题5 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5 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.百分之四十的学生戴眼镜。专题5 数词 2 序数词词的构成 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： fourth 3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-third 4hundred, thousand, million 等的序数词形式为 hundredth, thousandth, millionth。专题5 数词 3 序数词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5 数词 4 数词词的其他用法 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5 数词 考点过关 基础过关 . 根据所给提示填空 1_ (千) of Japanese people lost their lives in the earthquake 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5 数词 5Yesterday was Fathers Day and it was just my cousins _ (二十) birthday. 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5 数词 . 单项选择 ( )1. _volunteers will give out leaflets to ask people 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 thirdC. seventh; three D. the seventh; threeBB 专题5 数词 ( )3. There are _ teachers in our school, _ of them are women teachers.A. two hundreds; three fourth B. two hundred; three fourths C. two hundred; three forthsD. two hundreds; three fourths( )4. Now, everyone, please go to the _ floor and enter the _room.A. second; fifth B. Two; fifthC. second; five D. Two; fiveBA解析 hundred 与具体数字连用时，用单数。分数表达法：分子用基数词，分母用序数词，分子大于一时 ，分母用复数。 专题5 数词 中考透视 ( )1. 2013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 “Food Safety” has become one of the hottest topics recently. Yeah, it receives_ Internet hits (点击) a day. A. thousands B. thousand of C. thousands of D. ten thousands BC 专题5 数词 ( )3. 2013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5 数词 ( )4. 2013 黄冈 What should we do now, Mr. Clark?Please turn to Page _ and look at the _ picture.A. Twelve; fifth B. Twelfth; fifthC. Twelve; five D. Twelfth; five ( )5. 2013雅安 We planted _ trees last year.Ahundreds of Bhundred ofCfive hundreds Dfive hundred ofAA专题5 数词 ( )1. In her _ birthday, I sent her a toy as a present.Aeight BeighthCthe eight Dthe eighth ( )2. 2013天津 Where is Class _？Its on the _ floor.ASix; third BSixth; thirdCSix; three DSixth; threeB 语法专练 A 专题5 数词 ( )3. John lives on _ floor. He uses a lift to go up and down.Anine Bthe ninthCninth Da ninth ( )4. This is the _ time in _ days that he has made the same mistake.Asecond; third Btwo; threeCtwo; third Dsecond; threeB D专题5 数词 ( )5. The woman doesnt look her age. I think shes _Ain her forty Bin the fortiethCin her forties Din forties( )6. 2012广东 Excuse me, sir. Heres a package for Lin Tao. Which room does he live in?_A308 Room BRoom 308CThe Room 308 DThe 308 RoomCB 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5 数词 ( )7. 2013济宁 The earthquake in Yaan left _ people homeless.Atwo thousands Bthousands ofCtwo thousands of Dtwo thousand of( )8. 2013贺州 This tall building has _floors. And Tony lives on the _floor.A. twelve; twelve B. twelfth; twelfthC. twelfth; twelve