【春考特训课】第04讲：单项选择之数词部分重点难点-【决胜春考】2025春季高考英语冲刺总复习（重庆专用）

第04讲： 单项选择之数词部分重点难点 知识梳理 演练 【考情链接】 近些年对于数词的考察，更多的是基于序数词的考察。序数词和基数词的区别，以及年月日的拼写表达。 【要点梳理】 知识点一　数词的定义 表示数目多少或顺序先后的词叫作数词，数词分为基数词和序数词。表示数目多少的数词叫作基数词，如one、 four、 six、 twenty等；表示顺序先后的数词叫作序数词，如first、 third、 ninth、 twenty-third等。 知识点二　数词的分类 考点 内容解读 近四年对口高职考试统计(题号、试题关键词) 考试年份 常考题型 数词 1. 基数词和序数词的写法、读法和用法 2. 年、月、日的写法、读法和用法 3. 钟点的写法、读法和用法 4. 分数的正确写法、读法和用法 5. 重点考查序数词和分数的正确使用 2020年 2021年 2022年 2023年 42. My brother is seven years old．(对画线部分提问) 知识点一　 知识点一　 基数词(具体见下表) 1—12 1 one 1—12 2 two 8 eight 3 three 9 nine 4 four 10 ten 5 five 11 eleven 6 six 12 twelve 7 seven 13—19 20—90 13 thirteen twenty 20 14 fourteen twenty-one 21 15 fifteen thirty 30 16 sixteen forty 40 17 seventeen fifty 50 18 eighteen sixty 60 19 nineteen seventy 70 eighty 80 ninety 90 百、千、百万、十亿 100 a/one hundred 1,000 a/one thousand 1,000,000 a/one million 1,000,000,000 a/one billion 1. 基数词的英语表达及读法 (1)13—19 的基数词均以teen结尾。(注意thirteen、 fifteen、 eighteen的拼法) (2)20—90 的整十位数词均以ty 结尾。(注意twenty、 thirty、 forty、 fifty、 eighty 的拼法) (3)几十几的基数词由十位数词和个位数词合成，中间加连字符“”。 27：twenty-seven　69：sixty-nine　97：ninety-seven (4)三位数的数词须在百位和十位之间加and, 如个位和十位是0，则只用百位数字加hundred。 600：six hundred　341：three hundred and forty-one　 706：seven hundred and six (5)1000以上的数字，从右往左数，每三位加一个逗号“，”。第一个逗号前的数为千 thousand，第二个逗号前的数为百万 million，第三个逗号前的数为十亿billion。 在上述数词中， hundred、 thousand、 million、 billion 均为单数，同时注意中间有0的数字的英语表达。 2. 特殊用法 (1)英语中没有“万”这个单位，表示“万”须借用thousand，如 “一万”为ten thousand, “十万”为one hundred thousand。 (2)hundred、 thousand、 million、 billion等词，若前面有具体的数字，它们只能用单数；但若表示数百、数千、数百万这样的泛指，则用复数。常和of连用构成不确定数量的词组有hundreds of(数百)、 thousands of(数千)、 millions of(数百万)、 billions of(数十亿)等。 如： There are about seven thousand students in our school. 我们学校大约有7000名学生。 Thousands of visitors go to the Great Wall every year. 每年有成千上万的游客去长城。 (3)基数词可以和名词构成合成形容词，其间用连字符连接，名词一定要用单数。 其结构为“基数词名词(形容词)＋名词”，还可以用“名词＋介词＋基数词＋名词”或者“基数词＋名词's＋名词”表示。 a two-month holiday＝a holiday of two months＝two months' holiday 两个月的假期 an eight-year-old boy＝a boy of eight years old 一个八岁大的男孩 two days' holiday＝two day holiday 两天的假期 ten minutes' walk＝ten minute walk 十分钟的路程 模拟练习1 (　　)1. He always wants to have ________ of science books and he has bought four ________ recently. A. hundreds; hundreds B. hundred; hundred C. hundreds; hundred D. hundred; hundreds (　　)2. The number 6,123 is read ________. A. six thousand one hundred and twenty three B. six thousand and one hundred twenty three C. six thousand and a hundred and twenty three D. six thousands a hundred and twenty three (　　)3. More than three ________ trees are planted in our campus every year. A. hundred B. hundreds C. hundreds of D. hundred of (　　)4. The Dragon Boat Festival is coming and we will have a ________ holiday. A. three day B. three days C. three day's D. three days' (　　)5. Our winter holiday is coming. Three ________ the students in our school will go to Hainan. A. hundred B. hundreds C. hundreds of D. hundred of 知识点二序数词(具体见下表) 第13—19 13th thirteenth 14th fourteenth 15th fifteenth 16th sixteenth 17th seventeenth 18th eighteenth 19th nineteenth 第1—12 1st first 2nd second 3rd third 4th fourth 5th fifth 6th sixth 7th seventh 8th eighth 9th ninth 10th tenth 11th eleventh 12th twelfth 第20—100 20th twentieth 21st twenty first 22nd twenty second 23rd twenty third 30th thirtieth 40th fortieth 50th fiftieth 60th sixtieth 70th seventieth 1. 序数词的写法 一般的序数词是在相应的基数词后加th 以ty 结尾的，变y为ie，再加th four→ fourth, ten→ tenth forty→ fortieth, sixty→ sixtieth 非整十的多位数，只需将个位数变成序数词即可 Twenty three→ twenty third three hundred and two→ three hundred and second hundred、 thousand、 million的序数词形式 hundredth、 thousandth、 millionth 不规则的序数词 one→ first, two→second, three→third, five→fifth, eight→eighth, nine→ninth, twelve→twelfth 序数词的缩写 first＝1st, second＝2nd, third＝3rd；凡是以th 结尾的序数词 可缩写为“基数词＋th”，如4th、 5th、 50th、 148th等 2. 序数词的用法 (1)作主语。 如： The second is my student. 第二个是我的学生。 (2)作宾语。 如： Li Ping chose the fifth. 李平选择了第五个。 (3)作定语。 如： The fourth ruler is mine. 第四把尺子是我的。 (4)作表语。 如： Mr. Zhang is the first to come to the classroom. 张老师是第一个来教室的。 注 ①序数词前一般要加定冠词the表示顺序，如果加a/an，则表示“再一”“又一”，没有表顺序之意。 如： I have seen the film twice. I plan to see it a third time. 这部电影我看过两遍，我打算再看一遍。 I want to read the book a third time. 这本书我想再读一次。 注 ②有些习语中的序数词前没有冠词。 at first 最初，起先　　at first sight 乍看起来　　first of all 首先 注 ③若序数词前用了物主代词或名词所有格，不能再用定冠词。 his second wife 他的第二任妻子 Tom's third book 汤姆的第三本书 注 ④序数词用作副词时前面通常不用冠词。 如： He came first. 他先来。 I have to finish my homework first. 我得先把作业做完。 注 ⑤序数词前用定冠词和不定冠词的区别：定冠词表特指，不定冠词表泛指，有类似another 的意思，但比another的意思更明确。 模拟练习2 (　)1. This is my ________ time to visit your school. A. the second B. second C. two D. the two 2. Jane Eyre is a good book. I have read it and I decide to read it ________. ( ) A. the second time B. two times C. two time D. second time ()3. May is the ________ month of the year. A. four B. five C. fifth D. fourth (　)4. There are ________ floors in this building. He lives on the ________ floor. A. thirty; nine B. thirty; ninth C. thirtieth; nineth D. thirtieth; nine (　)5. Lily got a piano on her ________ birthday from her mum. A. twelve B. the twelve C. the twelveth D. twelfth 知识点三　数词的作用 1. 表示编号 (1)编号的数字如果过小，可用序数词或基数词表示；如果数字较大，通常用基数词表示。其结构分别为“名词＋基数词”(名词和基数词的首字母要大写)或“the＋序数词＋名词”。 Lesson Five＝the fifth lesson 第五课　　　 Page Fifty＝the fiftieth page 第50页 Book Two＝the second book 第二册 Floor Three＝the third floor 第三层 Room 320(读作room three two zero) 320号房间 Tel. No. 4678239 (读作telephone number four six seven eight two three nine) 电话号码4678239 (2)“第几路公共汽车”或“第几中/小学”前加No.。 Bus No. 4＝the No. 4 bus 第4路公共汽车 No. 10 Middle School 第十中学 (3)读编号时，电话号码和证件号码直接按0—9的基数词读出来就可以了。 578932读作five seven eight nine three two (4)街道门牌号要先写出门牌号，再写出街道名。 616 Jiankang Road 健康路616号 56 Zhongshan Road 中山路56号 (5)大编号和小编号同时出现时，要先写小编号，再写大编号。 Class 4, Grade 3 三年级(4)班 2. 表示年龄 (1)表示某人的确切年龄。 ①一般用基数词表示，即“基数词(＋years old)”。 如： He is 10 years old．＝He is 10. 他10岁了。 ②用“基数词＋years of age”。 如： She is 70 years of age. 她70 岁了。 ③用“基数词yearold”表示，此结构常作前置定语。 如： He is an eight year old boy now. Her 2 year old daughter can say something about music. ④用“of＋基数词(＋years old)”表示，此结构常作后置定语。 如： He is a boy of 7 years old. ⑤用“at the age of＋基数词”表示“在……年龄”。 如： At the age of nine, he began to learn English. 他9岁开始学英语。 ＝When he was nine (years old), he began to learn English. (2)“in＋one's＋整十数基数词的复数”表示“在某人几十多岁时”。 in his late sixties 在他近70岁时 in her early twenties 在她20岁出头时 in one's teens 在某人十几岁时 in one's sixties 在某人60多岁时 如： My father is in his sixties. 我爸爸60多岁了。 3. 表示世纪和年代 (1)表示世纪和年代时，通常在数词后加s 或's，并在年代前加定冠词the。 the 1980's＝the 1980s 读作the nineteen eighties 20世纪80年代 the early eighties 80年代初期 the late nineties 90年代末期 the mid 1960's/1960s 20世纪60年代中期 如： His grandmother died in the 1970's. 他的奶奶死于20世纪70年代。 (2)“多少世纪”用序数词。 the 21st century读作the twenty first century 21世纪 模拟练习3 (　)1. Our classroom is in ________. A. Room 401, Teaching Building No.1 B. Teaching Building No.1, Room 401 C. 401 Room, No.1 Teaching Building D. No.1 Teaching Building, 401 Room (　)2. Mr. White got his important position ________ in his field. A. in his thirty B. in his thirties C. in the thirty D. in the thirties (　)3. The story happened ________ with the background of farmers. A. in 1960's B. in his 60's C. in 60's D. in the 1960's (　)4. Our country is becoming stronger and richer in ________ century. We are proud of it. A. twenty one B. the twenty one C. the twenty first D. twenty first (　)5. Please turn to ________， and we will learn ________. A. page one; lesson one B. the one page; the first lesson C. the first page; Lesson One D. the first page; lesson one 4. 表示分数、小数和百分数 (1)分数的表达方式。 分子用基数词，分母用序数词。当分子大于1时，分母后要加s。 one third 三分之一　 two thirds 三分之二 注 ①分母若是2和4，通常用half、 quarter代替。 one half 二分之一　 a/one quarter 四分之一　 three quarters 四分之三 注 ②带分数的表示方法为“整数＋and＋分子＋分母”。 seven and two thirds 七又三分之二　 five and three quarters 五又四分之三 (2)分数的用法。 ①表示几分之几的人或物时，用介词of。分子与分母之间有无连字符号均可。 如： three fifths of the students /three fifths of the students 五分之三的学生 ②若作主语，谓语动词根据of后的名词来确定。如果是不可数名词或单数可数名词，谓语动词用第三人称单数形式；如果是复数可数名词，谓语动词用复数形式。 如： Three fifths of the book is broken. 这本书的五分之三都破了。 Three fifths of the books are old. 五分之三的书都旧了。 (3)小数。 小数中的数词只用基数词，小数点前的数按总数读，同其他基数词读法一样，小数点读作point，小数点后面的数按基数词一个一个单独读，0读作zero。 8.76 读作 eight point seven six 0.7 读作zero point seven 201.45 读作 two hundred and one point four five (4)百分数。 ①百分数的表达结构为“基数词＋percent”(一律用单数形式)。 sixty percent 百分之六十 ②“百分之几的……”的表达结构为“基数词＋percent＋of＋名词/代词”。作主语时，其用法与“分数＋of＋名词/代词”作主语时的用法相同。 如： Thirty percent of the students in my class are from cities. 模拟练习4 (　)1. ________ of the students like music and ________ of the students like sports though. A. Two third; one third B. Two thirds; one third C. Two third; one thirds D. Two thirds; one thirds (　)2. Nowadays, ________ of the old people in the area ________ used to dancing on the square after supper together. A. three quarter; is B. three quarters; is C. three quarters; are D. three quarter; are (　)3. ________ the students usually surf the Internet to get information they are concerned. A. 60 percents of B. 60 percent C. 60 percent of D. 60 percents () 4.What's one third and a half, do you know? —Yes, it's________. A. two fifths B. five sixth C. two fifth D. five sixths (　)5. About ________ of the workers in the factory were born in the ________. A. two thirds; 1970 B. two thirds; 1970s C. Two third; 1970 D. two third; 1970s 5. 表示时刻 (1)整点钟的表示：基数词(＋o'clock)。 twelve (o'clock) 12点 (2)若为非整点，表示时刻有两种方法。 ①先钟点，后分钟。 six fifteen 6：15 eight fifty 8：50 ②分钟＋past(过)/to(差)＋钟点。 a. 分钟小于30，用past。 ten past six 6：10 b. 分钟大于30, 用 “(60－分钟)＋to＋(钟点＋1)”。 ten to eight 7：50(差10分到8点) c. 分钟等于30，用“half past＋钟点”。 half past eight 8：30 d. 分钟为15或45，用quarter来表示。 a quarter past six 6：15 a quarter to nine 8：45(差15分到9点) 6. 表示倍数 (1)A＋谓语动词＋倍数＋as＋形容词/副词＋as＋B。(A是B的几倍) (2)A＋谓语动词＋倍数＋比较级＋than＋B。(A比B大几倍) (3)A＋谓语动词＋倍数＋the size/length/width/depth/height of＋B。(A是B的几倍) 如： Our classroom is three times as big as yours. 我们的教室是你们的三倍大。 The lake is once larger than that one. 这个湖比那个湖大一倍。 This river is twice the width of that one. 这条河是那条河的两倍宽。 注 “一倍”用once，“两倍”用twice，三倍及其以上的表达均用“基数词＋times”。 如： Our classroom is three times as big as yours. 我们的教室是你们的三倍大。 The lake is once larger than that one. 这个湖比那个湖大一倍。 This river is twice the width of that one. 这条河是那条河的两倍宽。 模拟练习5 (　)1. 8：10 is read ________. A. eight and ten B. ten to eight C. eight ten D. eight past ten (　)2. He was doing some reading ________ this morning to recite the passage. A. at half past eight B. at eight thirty o'clock C. at thirty five past eight D. by eight (　)3. This classroom is ________ than that one. A. twice bigger B. two times bigger C. twice big D. two time bigger (　)4. The earth is about ________ as the moon. A. as fifty time big B. fifty times as big C. as big fifty time D. fifty as times big (　)5. The time is 9：40, which reads as ________. A. twenty to nine B. forty past nine C. nine to twenty D. twenty to ten 7. 表示年、月、日 (1)年份的表示用基数词。 英语年份的读法：一般是先读前一位或两位数，再读后两位数。 1975读作nineteen seventy five 1800读作eighteen hundred 1970读作nineteen seventy 1906读作nineteen O six 2007读作two thousand and seven 2000读作two thousand 986读作nine eighty six 567 B.C./BC公元前567年 2009 A.D./AD公元2009年 (2)年、月、日的表达：年用基数词，日期用序数词，月的首字母要大写，年前要用逗号与日、月分开。 月份的单词及缩写： 一月 January(Jan.)　　　 二月 February(Feb.)　　　　 三月 March(Mar.) 四月 April(Apr.) 五月 May(May) 六月 June(Jun.) 七月 July(Jul.) 八月 August ( Aug.) 九月 September(Sept.) 十月 October(Oct.) 十一月 November(Nov.) 十二月 December(Dec.) 1997年6月1日可以写作： ①June 1(st), 1997 读作 June the first, nineteen ninetyseven ②1(st) June, 1997 读作 the first of June, nineteen ninetyseven 模拟练习6 (　)1. Yuan Longping was born on ________ in Beijing. A. September 7th, 1930 B. 1930, September 7th C. 1930, 7th September D. September 1930, 7th (　)2. The tenth month of the year is ________. A. July B. August C. October D. September (　)3. China's Youth Day is ________ every year. We have many celebrations on that day. A. on May 4th B. in 4th May C. at 1st May D. on May 14th (　)4. We read the year 2008 ________. A. twenty eight B. two thousand eight C. two zero zero eight D. two thousand and eight (　)5. May 21 means________. A. May the twenty first B. the twenty one of May C. May the twentieth one D. the twentieth first of May 知识点四　有关数词的几个特殊用法 1. “一两天”之类的表达。 “一两天”可以说one day or two 或 one or two days，类似的还有one year or two/one or two years 一两年， one month or two/one or two months 一两个月等。 2. “几个半”的表达。 (1)数词＋and a half＋名词复数。 six and a half days 六天半　　　　　　　　 three and a half apples 三个半苹果 (2)数词＋名词复数/单数＋and a half。 four hours and a half 四个半小时 one apple and a half 一个半苹果 3．“每隔几/每几……”的表达。 (1)用“every other＋名词单数”表示“每隔一……”。 every other day 每隔一天 (2)用“every＋基数词＋名词复数”或“every＋序数词＋名词单数”表示“每隔……”。 every two days 每两天＝every second day每隔一天 every four years每四年＝every fourth year 每隔三年 (3)用“every few＋名词复数”，表示“每隔几……”。 every few days 每隔几天 4. “基数词＋other＋名词复数”意为“另外……”，而“another＋基数词＋名词复数”“基数词＋more＋名词复数”意为“再增加……”。 如： Li Ping showed me his five other photos. 李平给我看了他的另外五张相片。 —Have you got everything ready for the sports meet? ——运动会的一切都准备好了吗？ —Not yet. We need another five chairs．/We need five more chairs． ——还没有，我们还需要五把椅子。 5. 序数词可用来修饰形容词或副词的最高级。 如： The Yellow River is the second longest river in China. 黄河是中国第二长河。 The Changjiang River is the first longest river in China. 长江是中国第一长河。 模拟练习7 (　)1. It took him ________ hours to finish the work. A. one and a half B. one and half C. half and one D. a half and one (　)2. They lived in a ________ hotel, which is about ________ away. A. five stars10 kilometers B. five star; 10 kilometers C. five stars; 10 kilometer D. five stars; 10 kilometers (　)3. The Olympic Games are held ________. A. every four years B. every four year C. every fourth years D. every four years (　)4. The doctor worked for________ after 12：00. A. two more hours B. two another hour C. two other hour D. another two hour 5. —How long will you stay here? ( ) —For ________. A. a day or two B. one or two day C. one and two days D. one and two day 课堂精练 演练 (　)1. ________ the students want to change their cell phones ________. A. Two fifth; every three years B. Two fifths; every third year C. Two fifths of; every three years D. Two fifth of; every third year 2. I get up at six o'clock every day. (对画线部分提问) ________ ________ you get up every day? (　)3.Abraham Lincoln was the ________ president of the United Sates. A. sixteen B. sixteenth C. sixth D. sixtyth 4. There are twenty teachers in his school. (对画线部分提问) ________ ________ teachers are there in his school? 5. My brother is seven years old. (对画线部分提问) ________ ________ is your brother? 课后反馈 演练 (　)1. —How old is your grandma? —________. We had a special party for her_______ birthday yesterday. A. Ninety; ninety B. Ninety; ninetieth C. Ninetieth; ninety D. Ninety; nintieth (　)2. When my friend Han Meimei was in her ________， she began to learn drawing. A. forty B. forties C. fortieth D. fortys (　)3. Mr. Black has ________ son called Tom. A. a 8 years old B. a 8 year old C. an 8 years old D. an 8 year old (　)4. ________ people have visited the ________ stone bridge. A. Two millions of; 500 foot long B. Several millions of; 500 feet long C. Two million; 500 feet long D. Millions of; 500 foot long (　)5. —Which room do you live in? —________. A. The 201 Room B. Room 201 C. Room 201st D. The 201's Room (　)6. 22：50 is ________ p.m. A. ten to eleven B. ten to nine C. ten past eleven D. ten past nine (　)7. 2/3 can be written as ________. A. Two threes B. two third C. two thirds D. twos three (　)8. The TV was invented around ________. A. the twenty century B. the twentieth century C. twenty century D. twentieth century (　)9. —What's one quarter and a half? —It's ________. A. three fourth B. three quarters C. three quarter D. three fourth （ ) 10. He spent ________ preparing for the exam. A. two and a half week B. two week and a half C. two and half weeks D. two weeks and a half (　)11. There are ________ months in a year and March is ________ month. A. twelfth; third B. twelfth; the third C. twelve; third D. twelve; the third (　)12. Over four ________ died from a tornado in the Changjiang River on the evening of June 1st, 2015. A. hundreds people B. hundred people C. hundreds peoples D. hundred peoples (　)13. The old building was built ________. A. in 1720s B. in the 1720 C. in the 1720s' D. in the 1720s (　)14. Although I failed four times, my father encouraged me to have a ________ try in the competition. A. second B. third C. fourth D. fifth (　)15. Nearly ________ of the earth ________ covered by sea. A. three quarters; is B. three fourths; are C. three quarter; is D. three fourth; are (　)16. About ________ of the students in this school ________ to school by bus every day. A. two fifth; go B. two fifths; go C. two fifth; goes D. two fifths; goes (　)17. It's far from here to the station. ________ can take you there sooner. A. No. Bus 201 B. The No. 201 bus C. The Bus No. 201 D. Bus 201 (　)18. He is too tired to move after ________ hard work in study. A. three hours B. three hours' C. three hour D. three hours's (　)19. How do you say 15,858 in English? A. Fifteen thousands, eight hundred and fifty eight. B. Fifteen thousand, eight hundreds and fifty eight. C. Fifteen thousand, eight hundred and fifty eight. D. Fifteen thousand and eight hundred and fifty eight. (　)20. Now, everybody, please turn to Page _______and look at the________ picture. A. Seventh; seven B. Seven; seventh C. Seventh; seventh D. Seven; seven 二、句型转换 21. Jack is thirteen. Mike is eleven. (改为同义句) Jack is ________ ________ Mike. 22. Miss Li has taught English in our school since 2019. (对画线部分提问) ________ ________ has Miss Li taught English in our school? 23. Tom is ten years old, and Mary is five years old. (改为同义句) Tom is ________ as ________ as Mary. 24. She has learned Chinese for about 2 years. (对画线部分提问) ________ ________has she learned Chinese? 25. He is in Class Two. (对画线部分提问) ________ ________ is he in? 26. Li Lei often gets up at half past seven. (对画线部分提问) ________ ________ does Tom often get up? 27. Our country was founded on October 1st, 1949. (对画线部分提问) ________ ________ our country founded? 28. Most students go home every week. (对画线部分提问) ________ ________ do most students go home? 29. I will take Bus No. 1 to school. (对画线部分提问) ________ ________ will you take to school? 30. They will come back to China in ten days. (对画线部分提问) ________ ________ will they come back to China? 原创精品资源学科网独家享有版权，侵权必究！第 16 页 共 18 页 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $$ 第04讲： 单项选择之数词部分重点难点 知识梳理 演练 【考情链接】 近些年对于数词的考察，更多的是基于序数词的考察。序数词和基数词的区别，以及年月日的拼写表达。 【要点梳理】 知识点一　数词的定义 表示数目多少或顺序先后的词叫作数词，数词分为基数词和序数词。表示数目多少的数词叫作基数词，如one、 four、 six、 twenty等；表示顺序先后的数词叫作序数词，如first、 third、 ninth、 twenty-third等。 知识点二　数词的分类 考点 内容解读 近四年对口高职考试统计(题号、试题关键词) 考试年份 常考题型 数词 1. 基数词和序数词的写法、读法和用法 2. 年、月、日的写法、读法和用法 3. 钟点的写法、读法和用法 4. 分数的正确写法、读法和用法 5. 重点考查序数词和分数的正确使用 2020年 2021年 2022年 2023年 42. My brother is seven years old．(对画线部分提问) 知识点一　 知识点一　 基数词(具体见下表) 1—12 1 one 1—12 2 two 8 eight 3 three 9 nine 4 four 10 ten 5 five 11 eleven 6 six 12 twelve 7 seven 13—19 20—90 13 thirteen twenty 20 14 fourteen twenty-one 21 15 fifteen thirty 30 16 sixteen forty 40 17 seventeen fifty 50 18 eighteen sixty 60 19 nineteen seventy 70 eighty 80 ninety 90 百、千、百万、十亿 100 a/one hundred 1,000 a/one thousand 1,000,000 a/one million 1,000,000,000 a/one billion 1. 基数词的英语表达及读法 (1)13—19 的基数词均以teen结尾。(注意thirteen、 fifteen、 eighteen的拼法) (2)20—90 的整十位数词均以ty 结尾。(注意twenty、 thirty、 forty、 fifty、 eighty 的拼法) (3)几十几的基数词由十位数词和个位数词合成，中间加连字符“”。 27：twenty-seven　69：sixty-nine　97：ninety-seven (4)三位数的数词须在百位和十位之间加and, 如个位和十位是0，则只用百位数字加hundred。 600：six hundred　341：three hundred and forty-one　 706：seven hundred and six (5)1000以上的数字，从右往左数，每三位加一个逗号“，”。第一个逗号前的数为千 thousand，第二个逗号前的数为百万 million，第三个逗号前的数为十亿billion。 在上述数词中， hundred、 thousand、 million、 billion 均为单数，同时注意中间有0的数字的英语表达。 2. 特殊用法 (1)英语中没有“万”这个单位，表示“万”须借用thousand，如 “一万”为ten thousand, “十万”为one hundred thousand。 (2)hundred、 thousand、 million、 billion等词，若前面有具体的数字，它们只能用单数；但若表示数百、数千、数百万这样的泛指，则用复数。常和of连用构成不确定数量的词组有hundreds of(数百)、 thousands of(数千)、 millions of(数百万)、 billions of(数十亿)等。 如： There are about seven thousand students in our school. 我们学校大约有7000名学生。 Thousands of visitors go to the Great Wall every year. 每年有成千上万的游客去长城。 (3)基数词可以和名词构成合成形容词，其间用连字符连接，名词一定要用单数。 其结构为“基数词名词(形容词)＋名词”，还可以用“名词＋介词＋基数词＋名词”或者“基数词＋名词's＋名词”表示。 a two-month holiday＝a holiday of two months＝two months' holiday 两个月的假期 an eight-year-old boy＝a boy of eight years old 一个八岁大的男孩 two days' holiday＝two day holiday 两天的假期 ten minutes' walk＝ten minute walk 十分钟的路程 模拟练习1 (　C　)1. He always wants to have ________ of science books and he has bought four ________ recently. A. hundreds; hundreds B. hundred; hundred C. hundreds; hundred D. hundred; hundreds 解析：当表示不确定的数目时，hundred要用复数，而且要与of连用；当前面有具体数词修饰时，不加s。 (　A　)2. The number 6,123 is read ________. A. six thousand one hundred and twenty three B. six thousand and one hundred twenty three C. six thousand and a hundred and twenty three D. six thousands a hundred and twenty three 解析：千位与百位之间不用and, 百位与十位之间要用and，另外有具体数字时，thousand, hundred 不能加s。 (　A　)3. More than three ________ trees are planted in our campus every year. A. hundred B. hundreds C. hundreds of D. hundred of 解析：hundred前有数字时，词尾不加s，后面也不能用of。 (　D　)4. The Dragon Boat Festival is coming and we will have a ________ holiday. A. three day B. three days C. three day's D. three days' 解析：“三天的假期”可以用a three days' holiday 或a three day holiday (　D　)5. Our winter holiday is coming. Three ________ the students in our school will go to Hainan. A. hundred B. hundreds C. hundreds of D. hundred of 解析: 当hundred，thousand等词前有具体数词修饰时，不加s, 排除B项和C项。表示“三百个学生”应为three hundred students，但题中的students前有定冠词the, 表示“全部学生中的三百个”，应该要有of。 知识点二序数词(具体见下表) 第13—19 13th thirteenth 14th fourteenth 15th fifteenth 16th sixteenth 17th seventeenth 18th eighteenth 19th nineteenth 第1—12 1st first 2nd second 3rd third 4th fourth 5th fifth 6th sixth 7th seventh 8th eighth 9th ninth 10th tenth 11th eleventh 12th twelfth 第20—100 20th twentieth 21st twenty first 22nd twenty second 23rd twenty third 30th thirtieth 40th fortieth 50th fiftieth 60th sixtieth 70th seventieth 1. 序数词的写法 一般的序数词是在相应的基数词后加th 以ty 结尾的，变y为ie，再加th four→ fourth, ten→ tenth forty→ fortieth, sixty→ sixtieth 非整十的多位数，只需将个位数变成序数词即可 Twenty three→ twenty third three hundred and two→ three hundred and second hundred、 thousand、 million的序数词形式 hundredth、 thousandth、 millionth 不规则的序数词 one→ first, two→second, three→third, five→fifth, eight→eighth, nine→ninth, twelve→twelfth 序数词的缩写 first＝1st, second＝2nd, third＝3rd；凡是以th 结尾的序数词 可缩写为“基数词＋th”，如4th、 5th、 50th、 148th等 2. 序数词的用法 (1)作主语。 如： The second is my student. 第二个是我的学生。 (2)作宾语。 如： Li Ping chose the fifth. 李平选择了第五个。 (3)作定语。 如： The fourth ruler is mine. 第四把尺子是我的。 (4)作表语。 如： Mr. Zhang is the first to come to the classroom. 张老师是第一个来教室的。 注 ①序数词前一般要加定冠词the表示顺序，如果加a/an，则表示“再一”“又一”，没有表顺序之意。 如： I have seen the film twice. I plan to see it a third time. 这部电影我看过两遍，我打算再看一遍。 I want to read the book a third time. 这本书我想再读一次。 注 ②有些习语中的序数词前没有冠词。 at first 最初，起先　　at first sight 乍看起来　　first of all 首先 注 ③若序数词前用了物主代词或名词所有格，不能再用定冠词。 his second wife 他的第二任妻子 Tom's third book 汤姆的第三本书 注 ④序数词用作副词时前面通常不用冠词。 如： He came first. 他先来。 I have to finish my homework first. 我得先把作业做完。 注 ⑤序数词前用定冠词和不定冠词的区别：定冠词表特指，不定冠词表泛指，有类似another 的意思，但比another的意思更明确。 模拟练习2 (　B)1. This is my ________ time to visit your school. A. the second B. second C. two D. the two 解析：“第二次”用序数词second, 由于前面有my, 所以不能再加the。 2. Jane Eyre is a good book. I have read it and I decide to read it ________. ( D) A. the second time B. two times C. two time D. second time 解析：“再一，又一”可用“a/an＋序数词”表示。 (C)3. May is the ________ month of the year. A. four B. five C. fifth D. fourth 解析：表示“第五个月”用fifth。 (　B)4. There are ________ floors in this building. He lives on the ________ floor. A. thirty; nine B. thirty; ninth C. thirtieth; nineth D. thirtieth; nine 解析： “这栋楼有30层。他住在9楼。”第一空表示楼层的数量用基数词thirty，第二空表示“第几层”用序数词ninth。 (　D)5. Lily got a piano on her ________ birthday from her mum. A. twelve B. the twelve C. the twelveth D. twelfth 知识点三　数词的作用 1. 表示编号 (1)编号的数字如果过小，可用序数词或基数词表示；如果数字较大，通常用基数词表示。其结构分别为“名词＋基数词”(名词和基数词的首字母要大写)或“the＋序数词＋名词”。 Lesson Five＝the fifth lesson 第五课　　　 Page Fifty＝the fiftieth page 第50页 Book Two＝the second book 第二册 Floor Three＝the third floor 第三层 Room 320(读作room three two zero) 320号房间 Tel. No. 4678239 (读作telephone number four six seven eight two three nine) 电话号码4678239 (2)“第几路公共汽车”或“第几中/小学”前加No.。 Bus No. 4＝the No. 4 bus 第4路公共汽车 No. 10 Middle School 第十中学 (3)读编号时，电话号码和证件号码直接按0—9的基数词读出来就可以了。 578932读作five seven eight nine three two (4)街道门牌号要先写出门牌号，再写出街道名。 616 Jiankang Road 健康路616号 56 Zhongshan Road 中山路56号 (5)大编号和小编号同时出现时，要先写小编号，再写大编号。 Class 4, Grade 3 三年级(4)班 2. 表示年龄 (1)表示某人的确切年龄。 ①一般用基数词表示，即“基数词(＋years old)”。 如： He is 10 years old．＝He is 10. 他10岁了。 ②用“基数词＋years of age”。 如： She is 70 years of age. 她70 岁了。 ③用“基数词yearold”表示，此结构常作前置定语。 如： He is an eight year old boy now. Her 2 year old daughter can say something about music. ④用“of＋基数词(＋years old)”表示，此结构常作后置定语。 如： He is a boy of 7 years old. ⑤用“at the age of＋基数词”表示“在……年龄”。 如： At the age of nine, he began to learn English. 他9岁开始学英语。 ＝When he was nine (years old), he began to learn English. (2)“in＋one's＋整十数基数词的复数”表示“在某人几十多岁时”。 in his late sixties 在他近70岁时 in her early twenties 在她20岁出头时 in one's teens 在某人十几岁时 in one's sixties 在某人60多岁时 如： My father is in his sixties. 我爸爸60多岁了。 3. 表示世纪和年代 (1)表示世纪和年代时，通常在数词后加s 或's，并在年代前加定冠词the。 the 1980's＝the 1980s 读作the nineteen eighties 20世纪80年代 the early eighties 80年代初期 the late nineties 90年代末期 the mid 1960's/1960s 20世纪60年代中期 如： His grandmother died in the 1970's. 他的奶奶死于20世纪70年代。 (2)“多少世纪”用序数词。 the 21st century读作the twenty first century 21世纪 模拟练习3 (　A)1. Our classroom is in ________. A. Room 401, Teaching Building No.1 B. Teaching Building No.1, Room 401 C. 401 Room, No.1 Teaching Building D. No.1 Teaching Building, 401 Room 解析：“我们的教室在第一教学楼401教室。”英语中地点的排列是先小地点后大地点，而且数字要放在名词的后面，数字前的名词要大写。 (　B)2. Mr. White got his important position ________ in his field. A. in his thirty B. in his thirties C. in the thirty D. in the thirties 解析：“in＋one's＋整十数基数词的复数”表示“在某人几十多岁时。 (　D)3. The story happened ________ with the background of farmers. A. in 1960's B. in his 60's C. in 60's D. in the 1960's 解析：“在20世纪60年代”用in the 1960's或in the 1960s。 (　C)4. Our country is becoming stronger and richer in ________ century. We are proud of it. A. twenty one B. the twenty one C. the twenty first D. twenty first 解析：本题考查序数词。21世纪用the twenty first century表示。 (　C)5. Please turn to ________， and we will learn ________. A. page one; lesson one B. the one page; the first lesson C. the first page; Lesson One D. the first page; lesson one 解析：Page One＝the first page，意为“第一页”；Lesson One＝the first lesson，意为“第一课”。 4. 表示分数、小数和百分数 (1)分数的表达方式。 分子用基数词，分母用序数词。当分子大于1时，分母后要加s。 one third 三分之一　 two thirds 三分之二 注 ①分母若是2和4，通常用half、 quarter代替。 one half 二分之一　 a/one quarter 四分之一　 three quarters 四分之三 注 ②带分数的表示方法为“整数＋and＋分子＋分母”。 seven and two thirds 七又三分之二　 five and three quarters 五又四分之三 (2)分数的用法。 ①表示几分之几的人或物时，用介词of。分子与分母之间有无连字符号均可。 如： three fifths of the students /three fifths of the students 五分之三的学生 ②若作主语，谓语动词根据of后的名词来确定。如果是不可数名词或单数可数名词，谓语动词用第三人称单数形式；如果是复数可数名词，谓语动词用复数形式。 如： Three fifths of the book is broken. 这本书的五分之三都破了。 Three fifths of the books are old. 五分之三的书都旧了。 (3)小数。 小数中的数词只用基数词，小数点前的数按总数读，同其他基数词读法一样，小数点读作point，小数点后面的数按基数词一个一个单独读，0读作zero。 8.76 读作 eight point seven six 0.7 读作zero point seven 201.45 读作 two hundred and one point four five (4)百分数。 ①百分数的表达结构为“基数词＋percent”(一律用单数形式)。 sixty percent 百分之六十 ②“百分之几的……”的表达结构为“基数词＋percent＋of＋名词/代词”。作主语时，其用法与“分数＋of＋名词/代词”作主语时的用法相同。 如： Thirty percent of the students in my class are from cities. 模拟练习4 (　B)1. ________ of the students like music and ________ of the students like sports though. A. Two third; one third B. Two thirds; one third C. Two third; one thirds D. Two thirds; one thirds 解析：分子用基数词，分母用序数词，分子大于1时，作分母的序数词用复数形式。 (　C)2. Nowadays, ________ of the old people in the area ________ used to dancing on the square after supper together. A. three quarter; is B. three quarters; is C. three quarters; are D. three quarter; are 解析：根据“of the old people”可知第一个空填分数，分数的表示形式为“基数词(分子)＋序数词(分母)”，分子大于1时分母后要加s。此句中的主语the old people是一个复数名词，用are。 (　C)3. ________ the students usually surf the Internet to get information they are concerned. A. 60 percents of B. 60 percent C. 60 percent of D. 60 percents 解析：“60%的……”表达为“60 percent of...”。 (D) 4.What's one third and a half, do you know? —Yes, it's________. A. two fifths B. five sixth C. two fifth D. five sixths 解析：“——你知道三分之一加二分之一是多少吗？——是的。是六分之五。”“六分之五”应表达为five sixths。 (　B)5. About ________ of the workers in the factory were born in the ________. A. two thirds; 1970 B. two thirds; 1970s C. Two third; 1970 D. two third; 1970s 解析：“这个工厂大约有2/3的工人出生于20世纪70年代。”two thirds意为“三分之二”， in the 1970s/1970's意为“在20世纪70年代”。 5. 表示时刻 (1)整点钟的表示：基数词(＋o'clock)。 twelve (o'clock) 12点 (2)若为非整点，表示时刻有两种方法。 ①先钟点，后分钟。 six fifteen 6：15 eight fifty 8：50 ②分钟＋past(过)/to(差)＋钟点。 a. 分钟小于30，用past。 ten past six 6：10 b. 分钟大于30, 用 “(60－分钟)＋to＋(钟点＋1)”。 ten to eight 7：50(差10分到8点) c. 分钟等于30，用“half past＋钟点”。 half past eight 8：30 d. 分钟为15或45，用quarter来表示。 a quarter past six 6：15 a quarter to nine 8：45(差15分到9点) 6. 表示倍数 (1)A＋谓语动词＋倍数＋as＋形容词/副词＋as＋B。(A是B的几倍) (2)A＋谓语动词＋倍数＋比较级＋than＋B。(A比B大几倍) (3)A＋谓语动词＋倍数＋the size/length/width/depth/height of＋B。(A是B的几倍) 如： Our classroom is three times as big as yours. 我们的教室是你们的三倍大。 The lake is once larger than that one. 这个湖比那个湖大一倍。 This river is twice the width of that one. 这条河是那条河的两倍宽。 注 “一倍”用once，“两倍”用twice，三倍及其以上的表达均用“基数词＋times”。 如： Our classroom is three times as big as yours. 我们的教室是你们的三倍大。 The lake is once larger than that one. 这个湖比那个湖大一倍。 This river is twice the width of that one. 这条河是那条河的两倍宽。 模拟练习5 (　C)1. 8：10 is read ________. A. eight and ten B. ten to eight C. eight ten D. eight past ten 解析：8：10可接读基数词eight ten，也可以读作ten past eight。 (　A)2. He was doing some reading ________ this morning to recite the passage. A. at half past eight B. at eight thirty o'clock C. at thirty five past eight D. by eight 解析：在8：30可用at half past eight或at eight thirty表示。 (　A)3. This classroom is ________ than that one. A. twice bigger B. two times bigger C. twice big D. two time bigger 解析：“这个教室比那个教室大2倍。”倍数的表达为“倍数＋比较级＋than...”。 (　B)4. The earth is about ________ as the moon. A. as fifty time big B. fifty times as big C. as big fifty time D. fifty as times big 解析：倍数的表达为“倍数＋as＋adj./adv.＋as...”或“倍数＋比较级＋than...”。 (　C)5. The time is 9：40, which reads as ________. A. twenty to nine B. forty past nine C. nine to twenty D. twenty to ten 解析：9：40读作twenty to ten。小于30分钟(包括30分钟)用past表示几点几分；大于30分钟用to, 表示差几分到几点。 7. 表示年、月、日 (1)年份的表示用基数词。 英语年份的读法：一般是先读前一位或两位数，再读后两位数。 1975读作nineteen seventy five 1800读作eighteen hundred 1970读作nineteen seventy 1906读作nineteen O six 2007读作two thousand and seven 2000读作two thousand 986读作nine eighty six 567 B.C./BC公元前567年 2009 A.D./AD公元2009年 (2)年、月、日的表达：年用基数词，日期用序数词，月的首字母要大写，年前要用逗号与日、月分开。 月份的单词及缩写： 一月 January(Jan.)　　　 二月 February(Feb.)　　　　 三月 March(Mar.) 四月 April(Apr.) 五月 May(May) 六月 June(Jun.) 七月 July(Jul.) 八月 August ( Aug.) 九月 September(Sept.) 十月 October(Oct.) 十一月 November(Nov.) 十二月 December(Dec.) 1997年6月1日可以写作： ①June 1(st), 1997 读作 June the first, nineteen ninetyseven ②1(st) June, 1997 读作 the first of June, nineteen ninetyseven 模拟练习6 (　A)1. Yuan Longping was born on ________ in Beijing. A. September 7th, 1930 B. 1930, September 7th C. 1930, 7th September D. September 1930, 7th 解析：英语中表达日期的形式常为“月＋日，年”。 (　C)2. The tenth month of the year is ________. A. July B. August C. October D. September 解析：句意：“一年的第十个月是十月。” (　A)3. China's Youth Day is ________ every year. We have many celebrations on that day. A. on May 4th B. in 4th May C. at 1st May D. on May 14th 解析：在具体的某一天用介词on，日期的表达形式为“月＋日”。 (　D)4. We read the year 2008 ________. A. twenty eight B. two thousand eight C. two zero zero eight D. two thousand and eight 解析：本题考查年份的读法。 (　A)5. May 21 means________. A. May the twenty first B. the twenty one of May C. May the twentieth one D. the twentieth first of May 解析：英语“几月几日”中的日期应读作序数词。 知识点四　有关数词的几个特殊用法 1. “一两天”之类的表达。 “一两天”可以说one day or two 或 one or two days，类似的还有one year or two/one or two years 一两年， one month or two/one or two months 一两个月等。 2. “几个半”的表达。 (1)数词＋and a half＋名词复数。 six and a half days 六天半　　　　　　　　 three and a half apples 三个半苹果 (2)数词＋名词复数/单数＋and a half。 four hours and a half 四个半小时 one apple and a half 一个半苹果 3．“每隔几/每几……”的表达。 (1)用“every other＋名词单数”表示“每隔一……”。 every other day 每隔一天 (2)用“every＋基数词＋名词复数”或“every＋序数词＋名词单数”表示“每隔……”。 every two days 每两天＝every second day每隔一天 every four years每四年＝every fourth year 每隔三年 (3)用“every few＋名词复数”，表示“每隔几……”。 every few days 每隔几天 4. “基数词＋other＋名词复数”意为“另外……”，而“another＋基数词＋名词复数”“基数词＋more＋名词复数”意为“再增加……”。 如： Li Ping showed me his five other photos. 李平给我看了他的另外五张相片。 —Have you got everything ready for the sports meet? ——运动会的一切都准备好了吗？ —Not yet. We need another five chairs．/We need five more chairs． ——还没有，我们还需要五把椅子。 5. 序数词可用来修饰形容词或副词的最高级。 如： The Yellow River is the second longest river in China. 黄河是中国第二长河。 The Changjiang River is the first longest river in China. 长江是中国第一长河。 模拟练习7 (　A)1. It took him ________ hours to finish the work. A. one and a half B. one and half C. half and one D. a half and one 解析：“数词＋and a half＋名词复数”表示“几个半”。 (　B)2. They lived in a ________ hotel, which is about ________ away. A. five stars10 kilometers B. five star; 10 kilometers C. five stars; 10 kilometer D. five stars; 10 kilometers 解析：five star hotel意为“五星级宾馆”， 10 kilometers away意为“10千米远”。 (　A)3. The Olympic Games are held ________. A. every four years B. every four year C. every fourth years D. every four years 解析：every four years意为“每四年”。 (　A)4. The doctor worked for________ after 12：00. A. two more hours B. two another hour C. two other hour D. another two hour 解析：two more hours 意为“又两个小时”，或者表示为another two hours 5. —How long will you stay here? ( A) —For ________. A. a day or two B. one or two day C. one and two days D. one and two day 解析：a day or two或者 one day or two 意为“一两天”。 课堂精练 演练 (　C)1. ________ the students want to change their cell phones ________. A. Two fifth; every three years B. Two fifths; every third year C. Two fifths of; every three years D. Two fifth of; every third year 解析：分数作定语有三种表达方式：“基数词序数词＋名词”“基数词＋序数词＋of＋the＋名词”“基数词序数词＋of＋the＋名词”。基数词大于1时，序数词后加s。“每三年，每隔两年”用every three years。 2. I get up at six o'clock every day. (对画线部分提问) ________ ________ you get up every day? 答案： When do 解析：本题考查数词表示时刻时的提问方法，同时也考查学生的审题能力。学生如若不仔细，很容易填成 What, time。 (　B)3.Abraham Lincoln was the ________ president of the United Sates. A. sixteen B. sixteenth C. sixth D. sixtyth 解析：本题考查序数词。句意：“亚伯拉罕·林肯是美国第16任总统。” 4. There are twenty teachers in his school. (对画线部分提问) ________ ________ teachers are there in his school? 答案： How many 解析：本题考查数词表示数量时的提问方法。数词twenty后面的teachers是可数名词复数，应用how many提问。 5. My brother is seven years old. (对画线部分提问) ________ ________ is your brother? 答案：How old 解析：本题考查数词表示年龄时的提问方法。询问年龄应用how old提问。 课后反馈 演练 (　B)1. —How old is your grandma? —________. We had a special party for her_______ birthday yesterday. A. Ninety; ninety B. Ninety; ninetieth C. Ninetieth; ninety D. Ninety; nintieth 解析：第一空说明年龄，用基数词；第二空表示第几个生日，用序数词。 (　B)2. When my friend Han Meimei was in her ________， she began to learn drawing. A. forty B. forties C. fortieth D. fortys 解析：“in＋one's＋整十数基数词的复数”表示“在某人几十多岁时”。forty的复数应改y为i再加es。 (　D)3. Mr. Black has ________ son called Tom. A. a 8 years old B. a 8 year old C. an 8 years old D. an 8 year old 解析：基数词和名词构成的复合形容词，其间用连字符连接，名词一定要用单数； 以元音音素开头的单词前面用an。 (　D)4. ________ people have visited the ________ stone bridge. A. Two millions of; 500 foot long B. Several millions of; 500 feet long C. Two million; 500 feet long D. Millions of; 500 foot long 解析：millions of意为“数百万的”， two million意为“两百万”， 当“数词＋名词＋形容词”作定语时，名词要用单数形式。“500英尺长的桥”用“500 foot long表示。 (　B)5. —Which room do you live in? —________. A. The 201 Room B. Room 201 C. Room 201st D. The 201's Room 解析：房间编号用基数词，首字母大写。 (　A)6. 22：50 is ________ p.m. A. ten to eleven B. ten to nine C. ten past eleven D. ten past nine 解析：钟点时刻的表达：当分钟大于30时， 用“(60－分钟)＋to＋(整点＋1)”结构表示。 (　C)7. 2/3 can be written as ________. A. Two threes B. two third C. two thirds D. twos three 解析：分数的表示方法：分子用基数词，分母用序数词，分子大于1时， 分母后加s。 (　B)8. The TV was invented around ________. A. the twenty century B. the twentieth century C. twenty century D. twentieth century 解析：20世纪的英语表达为“the twentieth century”。 (　B)9. —What's one quarter and a half? —It's ________. A. three fourth B. three quarters C. three quarter D. three fourth 解析：——四分之一加二分之一是多少？——四分之三。” (D) 10. He spent ________ preparing for the exam. A. two and a half week B. two week and a half C. two and half weeks D. two weeks and a half 解析：two and a half weeks ＝ two weeks and a half，意为“两周半” (　D)11. There are ________ months in a year and March is ________ month. A. twelfth; third B. twelfth; the third C. twelve; third D. twelve; the third 解析：基数词表示数量，序数词表示顺序。 (　B)12. Over four ________ died from a tornado in the Changjiang River on the evening of June 1st, 2015. A. hundreds people B. hundred people C. hundreds peoples D. hundred peoples 解析：hundred, thousand等单词前有具体数字时， 后不加s；people表示“人，人们”时本身就是复数。 (　D)13. The old building was built ________. A. in 1720s B. in the 1720 C. in the 1720s' D. in the 1720s 解析：“在18世纪20年代”表述为in the 1720's或in the 1720s。 (　D)14. Although I failed four times, my father encouraged me to have a ________ try in the competition. A. second B. third C. fourth D. fifth 解析：句意：“虽然我失败了四次，但我爸爸鼓励我尝试第五次。”根据前面的four times 可知要试第五次。 (　A)15. Nearly ________ of the earth ________ covered by sea. A. three quarters; is B. three fourths; are C. three quarter; is D. three fourth; are 解析：句意：“几乎四分之三的地球表面被海洋覆盖。” “四分之三”有两种表达方式：three quarters 或three fourths。含分数的短语作主语时， 谓语动词的单复数形式由of后的名词的单复数决定。 (　B)16. About ________ of the students in this school ________ to school by bus every day. A. two fifth; go B. two fifths; go C. two fifth; goes D. two fifths; goes 解析：句意：“这所学校大约五分之二的学生坐公共汽车上学。”“五分之二”的表达方式为two fifths，排除A、C两项。分数构成的主语，谓语动词与of后的名词一致，students 是可数名词复数，故谓语应用原形go。 (　B)17. It's far from here to the station. ________ can take you there sooner. A. No. Bus 201 B. The No. 201 bus C. The Bus No. 201 D. Bus 201 解析：“201路公共汽车”有两种表达方式：the No. 201 bus或Bus No. 201。 (　B)18. He is too tired to move after ________ hard work in study. A. three hours B. three hours' C. three hour D. three hours's 解析：“三小时的辛苦工作”可用three hours' hard work或threehour hard work表示。 (　C)19. How do you say 15,858 in English? A. Fifteen thousands, eight hundred and fifty eight. B. Fifteen thousand, eight hundreds and fifty eight. C. Fifteen thousand, eight hundred and fifty eight. D. Fifteen thousand and eight hundred and fifty eight. 解析：在英语中，当数词表示具体数字时，用单数形式。在读超过一百的数字时，习惯读法是在百位和十位之间用and相连，其他数位依次读出即可。 (　B)20. Now, everybody, please turn to Page _______and look at the________ picture. A. Seventh; seven B. Seven; seventh C. Seventh; seventh D. Seven; seven 解析：“第七页”可用Page Seven 或the seventh page表示。“第七张图”可用Picture Seven 或the seventh picture表示。 二、句型转换 21. Jack is thirteen. Mike is eleven. (改为同义句) Jack is ________ ________ Mike. 答案：older than 22. Miss Li has taught English in our school since 2019. (对画线部分提问) ________ ________ has Miss Li taught English in our school? 答案：How long 解析：“since＋时间点”表示一段时间，应该用how long来提问。 23. Tom is ten years old, and Mary is five years old. (改为同义句) Tom is ________ as ________ as Mary. 答案：twice old 解析：表示“A是B的……倍”时，用“A＋倍数＋as＋形容词原形＋as＋B”的结构。 24. She has learned Chinese for about 2 years. (对画线部分提问) ________ ________has she learned Chinese? 答案：How long 解析：“for＋时间段”表示一段时间，应用how long来提问。 25. He is in Class Two. (对画线部分提问) ________ ________ is he in? 答案：Which class 解析：对编号作定语时的提问应该用which。 26. Li Lei often gets up at half past seven. (对画线部分提问) ________ ________ does Tom often get up? 答案：What time 27. Our country was founded on October 1st, 1949. (对画线部分提问) ________ ________ our country founded? 答案：When was 解析： 对时间提问用when。 28. Most students go home every week. (对画线部分提问) ________ ________ do most students go home? 答案：How often 解析：对频率提问用how often。 29. I will take Bus No. 1 to school. (对画线部分提问) ________ ________ will you take to school? 答案：Which bus 解析：对“哪一个”提问用which。 30. They will come back to China in ten days. (对画线部分提问) ________ ________ will they come back to China? 答案：How soon 解析：“in＋一段时间”提问用how soon。 原创精品资源学科网独家享有版权，侵权必究！第 21 页 共 21 页 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $$