阳江-初中英语知识点--数词

1、阳江 -初中英语知识点第四章 数词 . 课标考点解析1. 数词要求掌握a. 基数词和序数词的写法和基本用法。b. 基数词和序数词的用法区别。c. 基数词的读法。d. 序数词的词性变化。e. “ hundreds of/ thousands of/millions of/billions of + 复数名词”表示不确定数目的用法。f. 基数词表示时间，距离，日期，度量等的用法。g. 特殊形式序数词的用法。h. 分数表达法。i. 编号表示法，年龄表达法。2. 中考命题方向a. 试题的热点：从最近几年的中考试题中可以看出，对于数词的考查重点主要是放在： hundred/thousand/millio

2、n/billion 表示确定数目和“ hundred/thousand/million/billion of+ 复数名词”表示不确定数目的用法，分数的表达法和序数词的词形变化以及运用的语境等。b. 试题的特点：对于数词，在中考中所占的比重更少，一般为 1-2 分左右。题型主要填空 题，单项选择题等。c. 试题的趋势：对于数词的考点主要是放在了对于基数词和序数词的基本用法上，预计在 未来的考题中主要是放在了饿具体语境中考查基数词和序数词的用法。3. 考试策略点拨a. 重点掌握年，月，日的表示法以及同一数词的不同用法。b. hundred/thousand/million/billion 表示确定

3、数目和“ hundred/thousand/million/billion of+ 复数名词”表示不确定数目的用法，分数的表达法和序数词的词形变化以及运用的语境等。c. 正确掌握基数词和序数词最基本的用法。d. 掌握分数的表达法， 数词与时间、 长度、 距离的名词一起构成 “数词+单位名词+形容词” ，表示事物的形状，年代，长度，距离等。（二）中考试题演练1. there are months in a year. october is the month.a. twelve; tenc.twelve; tenthb. twelfth; tenthd.twelfth; ten2. in our

4、 city, middle school students want to work as a teacher in the future.a.thousandb.thousand ofc. thousands ofd. two thousand of3. the water behind the three george dam should be higher than down stream.a. sixty-five meterb. sixty-fifth meterc. sixty-five-metersd. sixty-fifth meters.4. we are going to

5、 studya. eight unitb. unit eighttoday.c. unit eighthd. unit the eighth.5. when she was, she moved to england.a. in the thirtiesc.in the thirtyb. in her thirtyd.in her thirties.6. please wait here. i will be back in hours.a. two and half ac.half and twob. tow and a halfd.two and half7.our parents are

6、 going to have aholiday in_time.a.two-month, two weeks c. two month; twoweeksb.two-months, two weeks.d. two months; two 一-week.8. both of the two rulers are broken. i want to buy a one.a. threeb. thirdc. forthd. /（三）考点解析和习题检测1.基数词，序数词的变化形式。onefirsteleven eleventhtwosecondtwelve twelfthtwenty twentie

7、th基数词序数词的变 化形式有一定的规 律，变序数词时一般 化基数词的后面加 th,已整一ty结尾 的将y变成一i再加eth.常出现在考题中的序数词有 first, second, third, fifth,threethirdthirteen thirteenththirty thirtiethfourfourthfourteenfourteenthforty fortiethfivefifthfifteen fifteenthfifty fiftiethsixsixthsixteensixteenthsixty sixtiethseven seventhseventeen seventee

8、nthseventy-seventietheight eightheighteen - eighteentheighty eightiethnine ninthnineteen-nineteenthninety-ninetiethten-tenthtwenty-twentiethtwenty-one -twenty-firsteighth, ninth, twelfth口诀：第一，二，三是难题，词尾分别tdd. th后缀第四起，ve改用f替。八减t, h减e, ty变为tie.留心注意几十几，只变尾数就可以。注意：序数词表顺序时前要用the.当序数词前用a/an时，表示又，再。典型例题：1.

9、which is second longest river in china?-yellow river.a. a;/c. the; /b. the; thed. /. a解析：bo序数词前用定冠词the修饰。专有名词前也同样用定冠词the来修饰。2. september is month of the year.a. the ninec. a ninthb. the ninthd. nine解析：bo根据句意，九月是一年中的第九月。故用序数词。选bo3. let me try time. mother.a. a thirdc. the thirdb. the threed. third.解析

10、：ao在序数词前加上不定冠词a来修饰。表示又，再的意思。习题操练part one:请写出下列基数词的序数词的形式。one nine twotwelvethreetwentyfourfortyfivefiftyeightfifty two part two:写出下列数字的读法1:950 2: 6,809 3: 7,356,240 4:12,350 part three:翻译下列句子1 .我们班有20名男学生。2 .在这次事故中大约有 2,200人丧生。3 .这件事情发生在 1990。4 .现在是1点58分。5 .这是我第一次见你，有点儿紧张。6 . december是一年中的第 12月。2.表示

11、编号：名词+基数词=m3+序数词+名词eg: unit five the fifth unit.这种情况有时直接用数字来表示。eg: room 302。使用时要注意大小写。典型例题：kate lives in. mine is next to hers.a. the room fiveb. room fivec. five room解析：bo基数词表顺序时由单数名词 +基数词构成。名词的第一个字母要大写。习题操练part one:翻译下列数词短语三班 第108页 五号房间 第九中学 第十课 第二十单元 3.时间的表达方式。a.直接表达法。适合于任何一种时间表达方式。即钟点数+分钟数eg: 3:

12、10 一three ten.4:30 f f 过 our thirtyb.不超过30分钟的用past,即：分钟+past +钟点数eg: 7: 00f ten past seven 5:30 half past fivec.超过30分钟（不包括30分钟）用to即：60一分钟数+to+钟点数+1eg: 1:45 一 fifteen to two 2:55 一 five to threed:另外表示几刻钟常用quarter”。1亥ij钟:a quarter三亥u钟:three quarters.典型例题:1. 5:45 is 解析：a quarter to six.超过30分钟（不包括30分钟）用

13、to即：60一分钟数+to+钟点数+12. five twenty is .解析： 5:20 。采用时间直接表达法。即：钟点数 +分钟数习题演练：1:30 2:15 3:24 7:05 6:37 8:45 4. hundred/thousand/million/billion 表示确定数目时与 thousand, hundred, million. billion 的复 数形式表示不确定的数目时的用法。a. 当它们的前面有具体的数修饰时，其本身即不能用复数也不能和of 连用。two thousand studentsfive hundred dollars.b. 和 of 连用时， 前面不能有

14、具体的数。而且这四个词的本身必须用复数形式。hundreds ofthousands ofmillions ofbillions of注：前面可以被many/several/a few 修饰。如： many thousands of students.典型例题：1. five students will take part in the guangzhou asian games as a volunteera. hundredc. hundreds ofb. hundredsd. hundred of解析： a 。 表示确定数目时，没有复数形式。同时也不可以与 of 连用。2. when s

15、pring comes , trees are planted in our city.a. millions ofc. two millionb. a million ofd. million of解析： a 。 hundred, thousand, million, billion 等的复数形式表示不确定的数目，通常用hundreds of/thousands of/millions of/billions of+ 复数名词的形式。习题操练1. 这座山上有几百只鸟。2. 每年有成千上万的游客到中国来。3. 图书馆有 5000 本书。4. 在二次大战中，成千上万的人们不得不离开他们的家乡。5

16、. 四百名中国选手参加了这次比赛。6. 将近有 8900 人参加了这个活动。5. 其他重要的表达法1. 半个小时half an hour2. 一个半小时one and a half hours.3. in one整s! 0 数的复数形式。eg: in my thirties.4. a five year old boy 一个 5 岁的小孩5. !0 米长的桥ten-meter-long bridge.6. !0 分钟的路程ten-minute walk=ten minutes walk.注意：a. 基数词 +单数名词构成词组，相当于形容词。做名词的定语。常用于表示时间，距离等。b 数词与表示时

17、间，距离，长度的名词一起构成。数词+单位名词+形容词，表示事物的形状，年代，长度，距离等。eg: the bridge is about !,000 meters long.典型例题：!. each of us has to write a report every two weeks.a. two-hundred-wordc. two-hundreds-wordsb. two-hundreds-wordd. two-hundred-words.解析： a 。这里的数词表示计量。选项在题中作定语。故数词，单位词与表示长度的形容词之间用连字符来表示。2. he has been there fo

18、r a. two and a half monthc. two and the half monthsb. two and a half monthsd. two and half a month.解析：a 。句意：他来到这儿已经有两个半月的时间了。习题操练1. 这个湖两百米深。2. 这座房子有两千年的历史.3. 他在二十多岁时去了纽约。4易建联15 岁时就加入了 cba 。5他告诉我他有两个月的假期。6 在她30 多岁时，他就开始建立自己的公司。6. 数词与 another, more 连用时，表示在已有的基础上再增加一定数量。其结构为 another+ 基数词“或”基数词 +more “

19、.eg: my grandmother will stay in shanghai for another two weeks.典型例题：-harbin is a beautiful city and there are many places of interest.-so it is. why not stay here for two days?a. otherb. othersc. another解析：c. another+基数词，表示已有的基础上再增加一定的数量。another two days ，表示“另外的两天，更多的两天. “7. 分数，百分数，小数的表达方法。a.分数：分子用

20、基数词，分母用序数词。分子大于1,分词加so即：子基母序。eg:8. 小数：小数点用 point 。 3.6 three point six50% 百分比：percent。 - fifty percent.典型例题：of the world s books and newspapers are written in english.a. three quarterb. three of quarters9. third fourthsd. three fourths.解析： d 。句意：世界上四分之三的书和报纸都是用英语写的。分数的表达方式。分子用基数词，分母用序数词。分子大于1,分词加so即

21、：子基母序。8. 时间，距离，金钱，数字名词做主语，谓语动词用单数形式。典型例题：ten days enough for the job.解析： is。 时间短语做主语时，谓语动词只能用单数形式。（四）中考备考演练part one: 请写出下列基础词的序数词。three twenty-one nine six eight hundred twelve fourteenth twenty thirteenth four five part two: 翻译下列数词短语。第五课 3:20 6:55 四分之五在我 40 多岁时 两个半小时九年级 2 班 第 7 排 515房间 在二层楼2009 年 2

22、 月 14 日 半个小时一个 16 岁的小男孩两周的假期5 路公共汽车1949.10.1 数千的学生50 公里长的大桥在第 46 页 第一中学 四分之三49 part 3: ee: 翻译句子1. 他们必须穿过那片 2,000 米的树林 .2. 为了不引起人注意，他们三三两两地离开了大厅3. 一月时一年中的第一个月4. 我坐下后，第四个人又起来发言。5. 这是我第三次来北京参观.6. 2006.12，我去了哈尔滨。7. 我家乡的马路时五年前的两倍宽。8. 中国的人口的十分之九以上是汉族。9. 一个 3 岁的小男孩正在草地上同他姐姐引起玩耍。10. 长江是我国第一大河流。part 4: r: 完成

23、下列的句子1. there are maths in a year.2. “m ” is the letter in the word“ autumn。 “3. of octorber is national s day.4. my father was born on (1959.9.15)5. it is said that the gravity on mars is only about (318)of the gravity on the earth.6. kate lives in (5 号房间 ).mine is next to others.7. bill said they

24、would have ( 两个月的假期 )8. (第十二届) guagndong sports games was held in foshan lastnovember.9. there are floors in the building and i live on the one. (nine)10. (314)of our classmates enjoy playing football.part 5: e: 单项选择题1( ) 1 there are _ days in a year.a. three hundreds sixty-five b. three hundreds an

25、d sixty-fivec. three hundred and sixty-five d. three hundred and sixty five( ) 2 there arestudents in this school.a. eight hundreds and forty-six b. eight hundred and forty sixc. eight hundred and forty-six d. eight hundred forty-six2( ) 1 people visit this museum every day.a. hundred b. hundreds c.

26、 hundred of d. hundreds of( ) 2 there are two_ people in the meeting room.a. hundred b. hundreds c. hundreds of d. hundred of( ) 3 every year _ watch nba on tv.a. million people b. millions of peoplec. millions people d. million of people( ) 4 trees have been planted in our school in the past 10 yea

27、rs.a. thousands of b. two thousandsc. thousand of d. two thousand of( ) 5 look! there are _ in the sky.a. thousand stars b. thousand of starsc. thousands of stars d. thousands of star3( ) 1 my brother is in.a. three class, one grade b. class three, grade onec. grade one, class three d. class three,

28、grade one( ) 2 we are going to learn_ this term.a. book six b. six book c. the book six d. book six( ) 3 please turn to_. lets read the text aloud.a. page two b. the page two c. second page d. page second4( ) 1 we can say the number 78, 645 in english like this.a. seventy-eight thousand and six hund

29、red and forty-fiveb. seventy-eight thousand six hundred and forty fivec. seventy-eight thousand six hundred and forty-fived. seventy eight thousand six hundred and forty-five( ) 2 the year 1999 should be read the year.a. nineteen and ninety-nineb. nineteen ninety-ninec. one thousand nine hundred and

30、 ninety-nined. nineteen hundred and ninety-nine5( ) 1 he will come here tomorrow morning.a. at fifth b. at ten c. on two d. till tenth( ) 2 every day he begins to do his homework _.a. at ten past seven b. at seven pass tenc. on ten past seventh d. until ten( ) 3 he was doing some washing .a. at eigh

31、t yesterday morning b. yesterday morning eightc. yesterday morning at eight d. by eight yesterday morning6( ) 1 he began to work there.a. on his fifty b. at age of fifty c. when he fifty d. in his fifties( ) 2 they moved to beij ing _a. in 1980s b. in the 1980 c. in the 1980s d. on the 1980s( ) 3 we

32、 all like the boy.a. of ten years old b. ten-year-old c. at ten old d. of age of ten( ) 4 she was _ her early twenties when she went abroad.a. at b. on c. of d: in7( ) 1 there aremonths in a year. december is themonth of the year.a. twelve; twelve b. twelve; twelfthc. twelfth; twelve d. twelve; twelveth( ) 2 duringcentury, the world population has already reached 6 billion.a. twenty b. the twentieth c. twentieth / d. the twenty( ) 3 sunday is theday of the week.a. seventh b. first c. second d. third( ) 4 autumn is season in a year.a. the fou