中考英语专题复习专题数词1

中考英语专题复习专题数词1

专题 数词 表示数目或顺序的词是＿＿＿。数词有两种：基数词和序数词。＿＿＿词表示数目，如：one, two, three;＿＿＿词表示数目的顺序如：first, second third等且序数词常与定冠词the 连用。‎ 一、基数词 1.基数词的基本构成 (1)从 1- 12 是独立的数词：one, two, three, four, five, six, seven, eight, nine, te n, eleven, twelve。 (2)从 13 - 19：在个位数后-teen，并有两个重音。 thirteen, fifteen,eighteen, nineteen (3)从20-90的各整十位数都以-ty结尾。 twenty, thirty,fifty, eighty, ninety (4)20到100之间的其余的两位数，要在十位和个位之间加连字符号“—” 。 twenty-five, thirty-two, ninety-eight (5)百位以上的数词，要在百位和十位(没有十位则和个位)之间加and。 101：one hundred ＿＿one 258：two hundred ＿＿ fifty-eight (6)英语中的数词每3位数一个单位 hundred，thousand 千，million百万 ,billon十亿 从个位向前，每三位加一个“，”；第一个“，”号前是thousand(千) ，第二个“，”前是million(百万)……。 95，680：ninety five thousand, six hundred and eighty (7) hundred, thousand, million的用法 hundred, thousand, million在任何具体数字之前，都要用单数形式。但如果其后有of，则要用复数形式(其前面不能再加具体数目)。 例如：two million 200万 millions of 数百万 thousands of visitors have come to Beijing in the last two months. 在过去的两个月里有成千上万的来访者到过北京。 二。.基数词的用法 ‎(1）基数词在句子中可以作主语、宾语、定语、表语和同位语。 Two of them are workers from China. 他们之中有两名是来自中国的劳工。(作主语 ‎) --How many pieces of paper do you want?‎ ‎--I want two. --你要几张纸?我要两张。(作宾语) --Three times five is fifteen. 3乘5等于15。(作表语) His daughter is only five. 他的女儿只有5岁。(作表语) There are twenty two boy students in our class. 我们班有22个男生。(作定语) They two will go to attend the meeting with you. 他们俩个人将与你一起去参加那个会议。(作同位语) (2)基数词与名词连用表示编号。 ＊Lesson Eight 第八课 ＊Class One, Grade Three 三年级一班 Room 102 102号房间 No.4 Middle School 四中 38 Changan Street 长安街38号 Bus No.10 10路公共汽车 P.O.Box 325 325号信箱 Tel. No. 6850,3258 电话号码：6850，3258 (3） 数词复数表示年龄和年代、月份和日期。 Ⅰ表求确切年龄 She is ten years old. 她十岁了。 Ⅱ表示年代或人的不确切岁数，用几十的复数形式 in the forties 在40年代 The old man is now in his eighties. 这位老人现在已经80多岁了。 Ⅲ表示年、月、日 in 1992 在1992年 in June, 1966. 在1966年6月 ＊on July 28, 1978. 在1978年7月28号 (4)基数词用于表示时间。 表示时间有两种方法： ①表示“几点过几分”，30分钟之内用介词＿＿。 例如：八点十分(8∶10) ten past ‎ eight 十二点半(12∶30) half past twelve ＊②表示“几点差几分”，30分钟之内(不包括30分整)，用介词＿。 例如：差十分八点(7∶50) ten to eight 差一刻九点(8∶45) a quarter to nine ③也可以按照时刻表直接读数字。 例如：二点四十(2：40) two forty 五点半(5：30)： ＿＿ (5)基数词可以表示算式。 8+4=12 Eight plus(and) four is twelve. 15-9=6 Fifteen minus nine is (leaves) six. 7×9=63 Seven times nine is sixty three. 30÷6=5 Thirty divided by six is five. 二、序数词 表示数目的顺序或事物的位置的词，叫作序数词。 1.序数词的形式 从第一到第三为独立的特殊形式 first, second, third. 从第4到第19 以基数词加“th”构成：fourth, fifth, sixth, seventh, eighth, ninth tenth, eleventh, twelfth, thirteenth, fourteenth fifteenth, sixteenth, seventeenth, eighteenth, nineteenth 第20以上的的序数词 从20到90等以ty 结尾的十位整数，把 y 改成i再加 “eth”构成序数词 twentieth, thirtieth, fortieth, fiftieth, sixt ieth, seventieth, eightieth, ninetieth 100的序数词为：hundredth。 其余的两位或多位数，只将个位改成序数词 ，其余仍用基数词表示： twenty--first, thirty--second, forty--third 注意： ＊①fifth, ninth, twelfth与原基数词拼写不同。 ②序数词的 缩写形式为阿拉伯数字加序数词最后两个字母组成。 122nd(第122)，38th(第38)，281st(第281) 2.序数词的用法 (1)序数词可以作主语、宾语、表语、状语和定语 The second is better than the first. 第二个比第一个好。(作主语) He has built five bridges since 1950, now he is starting on the sixth . 自1950年以来，他已建造过五座桥了，现在他正开始建第六座桥。(作宾语) Mary is the first to complete the test paper in her class. (作表语) 玛丽是她们班上第一个完成试卷的人。 She always comes first. 她总是第一个到。(作状语) This was the first time he came to China. 这是他第一次来中国。(作定语) 序数词在使用时，通常前面要加定冠词＿＿，当序数词前有物主代词是the省略 ；但是如果序数词前出现不定冠词a 或an时,则表示“再……", “又……"。 You can do it a second time. 你可以做第二次。(作定语) (2)序数词可以表示日期。 It happened on September 18th, 1931. 这发生在1931年9月18日。 ＊(3)序数词可以表示编号。 the twelfth lesson (=Lesson12) 第十二课 the second paragaph (=Paragraph Two) 第二段 the fourth Middle School (=No.4 Middle School) 第四中学 the thirty eighth room(=Room 38) 第38号房间 the tenth page (Page 10)第10页 三、数词的特定表示法和读法 分数、小数和百分数的表示方法 (1) 分数表示法 分数的构成 分数的构成为分子用＿＿，分母用＿＿，分子如果大于1，则分母序数词一般都用＿＿‎ 数形式。 1/2：a (one) half, 1/3：a (one) third, 1/4：a quarter 2/5：two fifths, 3/4：three quarters 注意：表示“某一整体的几分之几”，使用：分数+of+the+名词。 She spent one third of her salaries yesterday. 她昨天花去了薪水的三分之一。 One half of the students are foreigners. 一半的学生是外国人。 (2)小数表示法 小数只能用基数词表示。其中小数点读作point，零读作zero(或0［ｕ］)；小数点之后按数字依次读出；整数部分为零时，可以省略不读。 0.9：zero point nine 或 point nine 3.58：three point five eight (3)百分数表示法 %读作per cent 18%：eighteen per cent ‎1. About ______ (four fifths; four fifth) of the books in our school library ______ (is; are) written in Chinese.‎ ‎ 2. The boy always stays there for ______ (one and a half hour; one and a half hours).‎ ‎ 3. At the age of ______ (thirty; thirtieth), he had his own lab.‎ ‎ 4. ______ (Two sons their; Their two sons) are in the army.‎ ‎5. ______ (Two-fifth; Two-fifths) of the land in that district _______ (is; are) covered with trees and grass.‎ ‎6. Now let me have ______ (the third try; a third try). ‎ ‎7. February 28 should be read as ______ (February of the 28th ; the 28th of February). ‎ ‎ 8. I’m ______ (the taller; taller) of the two boys.‎ ‎ 9. Lucy lives on the ______(nineth; ninth) floor. She lives ______ (two; second )floors above me.‎ ‎10. Do you think there is any room for us ______( two; the two )?‎ ‎11. The accident happened on ______ (nine days of March; the ninth of March ).‎ 易混淆点讲解 ‎1. 两组与数词有关的介词短语：‎ ‎(1) in +定冠词the +数词的复数形式，表示年代。‎ ‎20 世纪七十年代 ：＿＿＿＿＿‎ ‎(2) in +物主代词+数词的＿＿数形式，表示某人的年龄。‎ in one’s thirties 在某人三十多岁的时候 有时在物主代词后面可加上形容词early 或late 使其含义更确切一些。‎ The young man is in his early thirties.‎ ‎2. 数词前加every，表达“每一段时间或每隔一段……”‎ Every ＋基数词＋名词复数 表示：每.....‎ Every ＋序数词＋名词单数 表示：每隔.....‎ ‎ every ten days ‎ 每10天/每隔9天 ‎ every ninth day ‎3.数词(many,some several)+hundred / thousand / million / billion+名词复数 hundred / thousands / millions / billions +of+名词复数 ‎＿＿＿＿ (thousand）of visitors have come to Beijing in the last two months.‎ There are two＿＿＿＿ (thousand） students in our class.‎ ‎4. 数词和冠词的关系 a. 序数词前要加定冠词the,当序数词前有指示代词，物主代词或every时the省略, 当序数词为表达名次的名词时，不和定冠词连用；但基数词前不加冠词。‎ Sunday is the first day of a week.‎ Lily came second in the race.‎ This is my third time to come here ‎*b. a / an+序数词，表示“又一、再一”。‎ He failed twice, but he tried it a third time.‎ c. of the +＿＿数词，表示“范围”。‎ She is the most beautiful girl of the three.‎ Jim is the taller of the two.‎ ‎5.与another和more 连用时，表示在已有的基础上再加一定数量；其结构为：another+基数词＝基数词+more I need another ten days＝I need ＿＿＿＿days ‎6.基数词＋单数名词用—构成的复合形容词，作定语。用于表时间和距离等如; a one—hundred —meter race;注：基数词＋单数名词可以转换成名词所有格a one—hundred —meter race=one hundred meters＇race ‎7.几个半的表示 基数词＋and a half+名词复数=基数词+名词（复数）and a half Two and a half hours＝‎ ‎1. — Peter, how old is your father this year?‎ ‎— ______. And we just had a party for his ______ birthday last weekend.‎ ‎ A. Fortieth; forty B. Forty; forty C. Forty; fortieth D. Fortieth; fortieth ‎2.— Shanghai has opened its ______ TV channel (频道) that sends programs in foreign languages.‎ ‎— Great! I can improve my English over it.‎ ‎ A. first B. a first C. the first ‎3. — What’s the matter, Kangkang?‎ ‎— Oh, I feel sorry to hear more than ______ people lost their lives in the earthquake (地震) in Sichuan.‎ ‎ A. sixty thousands of B. sixty thousand C. sixty thousand of D. thousand of ‎4. The important sports festival, the Olympic Games, ______ held every ______ years.‎ ‎ A. is; five B. are; there C. is; four D. are; two ‎ ‎5. —Excuse me, how many students are there in your art club?‎ ‎— There are ______.‎ A. twelve B. twelfth C. the twelfth ‎6. Tim has tried twice, and his father asks him to have ______ third try.‎ ‎ A. the B. a C. another D. /‎ ‎7.— If a=3, b=4, what’s the answer to the question a+2ab+1=?‎ ‎ — ______. ‎ ‎ A. Twenty-eighth B. Twenty-eight C. Thirteen D. Eighteen ‎8. — What class are you in?‎ ‎ — I’m in ______. ‎ ‎ A. Grade 9 B. Class 9 C. Group 9 D. No. 9‎ ‎9.— Come and see me in ______.‎ ‎ — With pleasure. That’s what I’m expecting.‎ ‎ A. two or three days’ B. two or three day’s time C. two or three days’ time D. two or three day’s ‎10. Dick, it is the ______ time in ______ days that you’ve made the same mistake.‎ ‎ A. two; three B. second; three C. two; third D. second; third ‎11.— Do you know when Christmas Day is?‎ ‎ — It’s on ______.‎ ‎ A. December 24th B. January 1st C. December 25th D. October 1st ‎12. I went to college in ______ and began to work in ______. ‎ ‎ A. the 1980’s; twenty B. the 1980’s; my twenties C. 1980; my twenty D. 1980s; my twentieth ‎13. I was born ______.‎ ‎ A. in Oct. 8, 1969 B. in 1969, Oct. 8 C. on Oct. 8, 1969 D. on 1969, Oct. 8‎ ‎14. ______ tigers in that forest are in danger. Now only ______ the tigers are protected.‎ ‎ A. Hundreds of; three-fourths of B. Hundreds; three-fourths ‎ C. Hundreds of; three-fourths D. Hundred of; three-fourths of ‎15. Everyone knows that Hainan Island is the ______ largest island in China.‎ ‎ A. first B. second C. third D. fourth ‎16. — What’s one sixth and a half?‎ ‎ — It’s ______.‎ ‎ A. one twelfth B. four sixth C. two thirds D. one third ‎17. The Olympic Games are held ______.‎ ‎ A. every four years B. every four year C. every fourth years D. every four-years ‎18. He is ______ in our class.‎ ‎ A. the fourth tallest B. fourth tallest C. four tallest D. the four tallest ‎19. The river is more than ______.‎ ‎ A. twenty metre wide B. twenty metres wide C. twenty metre of wide D. wide of twenty metre ‎20. The low temperature will be minus 5. The underlined part means ______.‎ ‎ A. 5 B. -5 C. 0.5 D. ＜5‎ ‎21. — Where is the head teacher?‎ ‎ — Maybe he is in ______.‎ A. Two Room B. the Two Room C. Rooms two D. Room Two ‎22. 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 ‎23. So far, doctors have saved ______ people’s lives in the quake-hit area.‎ ‎ A. thousands of B. thousand C. thousand of ‎24. The work is too difficult for Mr Zhu to finish in a week. He needs ______ days.‎ ‎ A. more two B. two more C. two another D. another more ‎ ‎25. The Sutong Highway Bridge, a ______ bridge, is already open to traffic.‎ ‎ A. 32 kilometre long B. 32-kilometre-long C. 32 kilometres long D. 32-kilometres-long ‎26. The ______ question is very difficult. I failed to work it out.‎ ‎ A. five B. fifteen C. fifth D. fiveth ‎27. We are sure the ______ Olympic Games in Beijing next year will be one of ______ games in history.‎ ‎ A. twenty-nine; more successful B. twenty-ninth; more successful ‎ C. twenty-ninth; the most successful D. twenty-nine; the most successful ‎28. ______ of fans have voted online ______ their favourite singers.‎ ‎ A. Thousand; to B. Thousand; for C. Thousands; for D. Thousands; to ‎29. The river through our city, which is about ______, is clean again.‎ ‎ A. 6,000 meters long B. 6,000-meters-long C. 6,000-meter-long D. 6,000 meter long ‎30. Now, everybody, please turn to Page ________ and look at the ________picture.‎ A. Fifth; five B. Five; fifth C. Fifth; fifth D. Five; five ‎