课件23张PPT。英语3年中考2年模拟专题复习专题四 数词
考点分析 中考对数词的考查主要围绕基数词和序数词的用法、时刻表达法、年、月、日表达法、电话号码及编号、分数的表达法、百分数的表达法、加减乘除表示法、hundred、thousand、million、billion的用法。卷面中数词所占分值约为 2-3分左右,一般分布在单选、完形填空、翻译中。思维导图考点精析基数词与序数词对照表考点精析考点一 基数词的基本用法(一)基数词的表示方法
1.基数词1~12是独立的词,13~19都是以teen结尾的词。
(1)1~12要逐个记:
1/one/w?n/ 2/two/tu?/ 3/three/θri?/ 4/four/f??/ 5/five/faIv/ 6/six/sIks/ 7/seven/ ' sevn/ 8/eight/eIt/ 9/nine/naIn/ 10/ten/ten/ 11/eleven/I ' levn/ 12/twelve/twelv/
考点精析考点一 基数词的基本用法(2)13~19都以teen结尾,都是双重音:
13/thirteen/,θ?? ' ti?n/ 14/fourteen/,f??' ti?n/ 15/fifteen/,fif' ti?n/
16/sixteen/,siks' ti?n/ 17/seventeen/,sevn' ti?n/
18/eighteen/,eI' ti?n/ 19/nineteen/,naIn' ti?n/
2.基数词20~90整十位数都是以ty结尾。
20/twenty/ ' twentI/ 30/thirty/ ' θ??tI/ 40/forty/ ' f??tI/ 50/fifty/ ' fIftI/
60/sixty/ ' sIkstI/ 70/seventy/ ' sevntI/ 80/eighty/ ' eItI/ 90/ninety/ ' naIntI/考点精析考点一 基数词的基本用法注:13~19的teen/'ti?n/都是重读音,而20~90的ty/tI/都是非重读音节;/'ti?n/为长音,而/tI/为短音。
3.基数词21~99都是由“几十”和“几”合起来构成,词中间加连字符(但音标里不加连字符),并分别重读。
21/twenty-one/,twentI'w?n/ 23/twenty-three/,twentI'θri?/
34/thirty-four/,θ??tI'f??/ 45/forty-five/,f??tI'faIv/
56/fifty-six/,fIftI'sIks/ 67/sixty-seven/,sIkstI'sevn/
考点精析考点一 基数词的基本用法4.基数词101~999,先说“几百”,再加“and”,再加末两位数。
—How many days are there in a year? 一年有多少天?
—Three hundred and sixty-five. 三百六十五天。
5.1,000以上的数,先从后向前数,每三位加“,”,第一个“,”前为thousand,第二个“,”前为million,第三个“,”前为billion(美式)或thousand million(英式)。
—Can you write the number eighty-five_thousand,six_hundred_and_twenty-six?
考点精析考点一 基数词的基本用法—How many people went to Beijing for the Olympic Games in 2008?
有多少人去北京看2008年奥运会?
—Millions of,I think. 上百万,我认为。
8.表示“几十”的数词的复数形式可用来表示人的岁数,在表示“几十年代”时,可以用基数词的复数形式,也可用阿拉伯数字加“s”或“'s”。
She is in her fifties but she looks young.
她五十多岁,但她看上去很年轻。
考点精析考点一 基数词的基本用法From the 1950's(1950s) to the 1970's(1970s),picture-story cartoons were very popular.
从20世纪50年代到20世纪70年代,图画故事的卡通片是很受欢迎的。
9.基数词可与其他词构成合成形容词。
Kate is an eighteen-year-old girl. 凯特是个18岁的女孩。
eighteen的读音以元音开头,故其前要用不定冠词an。
注:这种合成形容词的结构为:“数词+单数名词+形容词”。复合形容词中,词与词之间要加连字符“-”。
10.基数词可用作主语、宾语、表语或同位语。
Give him three.(宾语) 给他三个。
考点精析考点一 基数词的基本用法Two_thirds of the teachers in our school are women teachers.(主语)
我们学校三分之二的老师是女老师。
11.电话号码的读法为顺次读出一个个数字,“0”读作“o”或“zero”。数字连续重现时可用“double(双)”。
62884405读作six two eight eight four four o (或zero)five或six two double eight double four o (或zero)five。
考点精练(湖北鄂州)Our country is nearly years old. We'll celebrate its birthday on October 1, 2019 around the country.
A. seventy, seventy B. seventy, seventieth
C. seventieth, seventy D. seventieth, seventiethB【解析】句意:我们的国家将近70岁了,全国将在2019年10月1日庆祝它的70岁生日。seventy七十,基数词;seventieth第七十,序数词。根据句意可知,第一句话表示“…岁”,应用基数词;第二句话表示“…岁生日”,应用序数词。故应选B。考点精练(哈尔滨)--We'll celebrate the ___________ National Day this year.
--That's really exciting.
A. seventy B. seventeen C. seventiethC【解析】句意:——我们今年要庆祝第七十个国庆。——真令人兴奋。A. seventy七十;B. seventeen十七;C. seventieth第七十。本题考查序数词的用法。生日及纪念日前用序数词,表示第几个,故答案为C。考点精析考点三 分数1.分数的表达与读法。
分子须用基数词,分母用序数词。分子如果大于1,分母须用复数形式。先读分子,再读分母。分子为one时可换用“a”。
Two thirds of the students are girls in our class.
在我们班,三分之二的学生是女孩。
2.1/2读作“a(one)half”(而不是a second“一秒钟”);1/4既可读作“a(one)quarter”,又可读作“a(one)fourth”。
3.较复杂的分数的读法为“基数词分子+over+基数词分母”。带分数的读法是在整数与分数之间加读and。
5?读作five and a half
考点精练B(呼和浩特)Nowadays ________of business letters are written in English.
A.two third B.two thirds C.two three D.second three【解析】本题考查分数表达法。表达分数时:分子用基数词,分母用序数词,当分子大于1时,分母用复数形式。“三分之二”用英语表示为two thirds,故选B。考点精析考点四 其他数的表达1.小数的读法:小数点前的基数词与前面所讲的基数词读法完全相同,小数点读作“point”,小数点后只需将数字一一读出。
15.67读作fifteen point_six_seven
0.009读作zero point zero zero nine 或nought point nought nought nine
2.百分数的读法:先读基数词,再读百分号“%”(读作percent)。
5%读作five percent
0.5%读作zero point five percent
200%读作two hundred percent
考点精析3.年代的读法为两位、两位地读。整百的后读hundred,整千的后读thousand,前常加“the year”。
1937读作nineteen thirty-seven 或:nineteen hundred and thirty-seven
1900年读作nineteen hundred
1905年读作nineteen and(或o)five 或:nineteen hundred and five
2000年读作the year two thousand
4.表示公元后在年份前或后加AD/ ,eI'di?/皆可,公元前一律在年份后加BC/ , bi?'ci?/。表几十年代时,前加 the,考点精析后加's或s/z/。
from 200 BC to 500 AD/AD 500从公元前200年到公元后500年
in the 1960's或1960s(读作nineteen sixties) 二十世纪六十年代
5.年、月、日的英语顺序为“月,日,年”。“日”用序数词读和写(写时也可用基数词);“日”读在“月”前时要加读“of”。
July 7(th),2005 2005年7月7日
读作:July the seventh two thousand and five 或the seventh of July two thousand and five
Today is Thursday,September 19th.
今天星期四,9月19日。
考点精析考点五 概数词的用法 (1)表示确切的数字(具体数字+概数词+名词复数):hundred, thousand, million等词与具体的数字one, two...或several, some, many等连用,要用单数形式。如:five hundred people 500人
(2)表示不确切的数字(概数词加-s+of+名词复数)与of 连用时,要用复数形式,但前面不能再加具体数字。如:thousands of factories 成千上万家工厂考点精练 A(青海)The number of the students in our school is about nine ________. ________ of them are boys.
A.hundred; Two thirds B.hundred; Two third
C.hundreds; Two thirds D.hundreds; Two third【解析】基数词之后用hundred的单数形式;当分子大于1时,分母用复数形式,故选A。句意是“我们学校的学生数是九百,三分之二的学生是男生。”考点精练 C(苏州)_____trees have been planted near here, so the air is very fresh.
A.Two hundreds B.Hundred of C.Hundreds of D.Hundreds【解析】基数词之后用hundred的单数形式,hundred的复数形式与of连用,故选C。句意是“附近已经种植了数百棵树,因此空气非常新鲜。”
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专题四 数 词
1. (2019甘肃省卷)September is the ________ month of a year.
A. seventh B. eighth C. ninth D. tenth
2. (2019襄阳)—Is Dongjin High-speed Railway Station the ________ largest in Hubei Province?
—Yes, of course. It’s just a little smaller than the largest one in Wuhan.
A. first B. second C. third D. fourth
3. (2019滨州)—Which month of the year do you like best?
—July, the________ month, because summer vacation begins in this month.
A. seven B. six C. seventh D. sixth
4. (2019郴州改编)Every year, ________ books are given away to the poor children in the countryside.
A. thousand B. thousands C. thousand of D. thousands of
5. (2020预测)There are twenty-five students in my class.
Fifteen are boys, and the other ________ are girls.
A. thirteen B. eight C. ten D. thirty
6. (2020预测)—Let’s go to the bookstore at half past nine tomorrow morning.
—It’s too late. Let’s make it a quarter to________.
A. nine B. ten C. eleven D. twelve
7. (2020预测)—How many bananas do we need for breakfast, Mom?
—________. Two for the milk and three for the salad.
A. Two B. Three C. Four D. Five
8. (2020预测)This is Mr. White’s ________ visit to Beijing. He has been there twice before.
A. third B. fourth C. fifth D. sixth
9. (2020预测)As a reporter, Alan has interviewed many famous people in different fields in the past ________ years, so she plans to listen to the stories of ordinary people in the fifth year.
A. four B. fourteen C. forty D. forth
专题四 数 词
1. C 2. B 3. C 4. D 5. C 6. A 7. D 8. A 9. A