课件45张PPT。www.378700000.com2015中考英语二轮复习课件数词If you wait, all that happens is that you get older.
如果你等待,发生的只有变老。你学着室友懒床,殊不知人家就等着毕业进爸妈公司做高管;你学着朋友矫情,殊不知人家除了感情其他都不用自己担心。在需要埋头种地的时候,误入了别人家的果园,就以为自己已经收获整个秋天,这才是最大的作死。数词:考查形式:听力测试,单项选择,完形填空或词语运用。
Eight, eighteen, eighth, eighty, eleven, fifteen, fifth, fifty, first, five, forty, four, fourteen, fourth, hundred, nine, nineteen, ninety, ninth, one, second, seven, seventeen, seventh, seventy, six, sixteen, sixteenth, sixth, sixty, ten, tenth, third, thirteen, thirty, thousand, three, twelfth, twelve, twentieth, twenty, two, zero
考点 1 基数词
考点 2 序数词
考点 3 分数的表达方式与用法
考点 4 与数有关的数量的表达方式
考点 5 听力测试中的数字数词的考点一.基数词、序数词二.数词的表示法基数词
1. 基数词 表示数目的词称为基数词。其形式如下:A.1——10
one,two,three,four,five,six
seven,eight,nine,ten.
B. 11——19
eleven,twelve, thirteen, fourteen,
fifteen, sixteen, seventeen,eighteen,
nineteen.
C. 21——99
表示几十几时,在十位和个位之间添加连字符“-”
21
32
43
54
65
76
87
98twenty-oneforty-threethirty-twofifty-foursixty-fiveseventy-sixeighty-sevenninety-eightD.百位数
三位数以上的基数词,在百位和十位一般
要用 “and”连接。
101
320
648
E.千位数以上
从数字的右端向左端数起,每三位数加一个逗号
“,”。从右开始,第一个“,”为thousand,第二
个“,”为million,第三个“,”为billion。
如:1,234,567,890one / a hundred and onethree hundred and twentysix hundred and forty-eightone billion two hundred and thirty-four million five hundred and sixty-seven thousand eight hundred and ninety“ 1509 ”If it is an amount(数量)
1,509 reads like this
one thousand five hundred and nine
(2) If it is a date(日期)
15 09 reads like this
fifteen zero nine
(3) If it is a telephone number(电话号码)
reads like this
one five o nine
“0” 在英语里读成 “o” or “zero”1. hundred
thousand (表示具体数字)
million
billion
2. hundreds
thousands (表示概数)
millions
billions三.基数词的用法数词
two
(several)++ ofsome / many hundreds of1)基数词表示确切的数时,不用复数形式. 2)表示不确切数,如成百、成千上万,则用复数。
There are hundreds of people in the hall.
320 three hundred and twenty3.人的不确切岁数或年代,用几十的复数形式。He became a professor in his thirties.It was in the 1960s.
4.基数词的句法功能可作主语、宾语、定语、表语、同位语。The two happily opened the box.(作主语)
They three tried to finish the task (作同位语)
.
① 月日年 在2008年10月1日四.数词的表示法 — 年月日on Octorber the first, two thousand and eighton August the ninthin May, two thousand and ten有日用 on 无日用inon Oct. 1st , 2008② 月日 在8月9日
③ 月年 在2010年5月20世纪90年代in the 1990s在他50多岁时in his fifties四.数词的表示法 — 年代世纪in thein one’s + 整十基数词复数
在某人几十岁时nineteennineties时间和钟点时间的表达方式
1.直接表达法。即先读小时,再读分钟
如:4:10 读成
8:36 读成
2.逆读法。即先读分钟,再读小时
①分钟小于30的用“past”,中文译为“过”。
即分钟+past+时钟,中文译为“几点过几分”
如:5:10(5点过10分)读成
2:02 (2点过2分) 读成four teneight thirty-sixten past fivetwo past two②分钟超过30(不包括30分钟)用 “to”(中文译为“差”)
即“60-分钟数 +to+钟点数+1” (中文译为:几点差几分)
如:7:45 (八点差15分) 读成
1:58(两点差2分) 读成
3.半小时用“half”, 一刻钟用“quarter”。
注意:一刻钟 a quarter 三刻钟 three quarters
如: 4: 30 读成
9: 45 读成
a quarter to tentwo to twohalf past fourfifteen to eight特别注意:一个半小时的表达方式:
one / an hour and a half
one and a half hoursCan you read them?1:30
2:15:
3:45
6:38
7:25
9:50
one thirtyhalf past onetwo fifteena quarter / fifteen past twothree forty-fivea quarter/ fifteen to foursix thirty-eighttwenty- two to seventwenty five past sevenseven twenty-fiveten to tennine fifty三年半的两种表达方式:
three years and a half
three and a half years1
5分子 基数词
分母 序数词one fifth2
7分子 ﹥ 1
分母 + stwo sevenths1
4分子 a
分母 quartera quarter3
4three quarters1
2a half1
3three and one third3基数词 + and + 分数四.数词的表示法 — 分数百分数分数、百分数、小数的表达方法 (以分数考法较为常见)
1. 分数: 分子用基数词,分母用序数词,分子大于一,分母加s
1/2 读作
2/3 读作
1/13 读作
3/4 读作
2.小数,百分数的读法:
小数点读成point 3.6 读作
百分号% 读成 percent 50%读作one second(a half)two thirds 或者 two- thirdsone thirteenththree fourths或者three - quartersthree point sixfifty percent80 %基数词 + percenteighty percenthalf / (百)分数 + of + 可数名词复数
谓语动词用复数
half / (百)分数 + of + 不可数名词
谓语动词用单数3.78three point seven eight一倍 once,两倍 twice,
三倍 three times (三倍或以上 基数词+times)四.数词的表示法 — 倍数 This box is five times as big as that one.
=This box is four times bigger than that one.① A + be + 倍数 + as +adj.原+ as +B.
A是B的 …倍…
② C + be + 倍数 + adj.比+ than +D.
C比D … …倍四、加减乘除表示法1. “加”用plus,and或add表示
How much is two plus three? It is five.Two and three is equal to five.2. “减”用 minus
How much is ten minus six?3. “乘”multiply
3X4=? How much is three times four?4. “除”用divide的过去分词形式表示16÷4=? How much is sixteen divided by four?
2.more还可与a little,a few,a lot,several等词连用
(1)There are many more dictionaries on the desk.课桌上有许多词典。
(2)Would you like some more tea?再喝点茶好吗?
4. 名词省略
如果前后意思清楚,another或more后面的名词可以省去。如:
1.I climbed the stairs slowly,carrying a big suitcase,my father following with two more.1Tony is going camping with _boys next Sunday.
A.little two other B.two little other
C.two other little D.little other two
3.Do you know where he found the other two photos?另外两张照片 3. more
1.more
1)She has got five more electric fans.她还有五台电扇。
another, other, more修饰数词的用法
1. another
A) another+名词单数
B)表“另外的、额外的、附加的时,+few或具体数字的复数
1.—Have you finished your report yet?
—No,I will finish it in 10 minutes.
A.another B.Other C.more D.less
2.The strike may last another three days.罢工可能还要持续三天。
2. other +复数名词,置于数词之后
B)但与定冠词the连用时,other要放在数词前。
序数词1. 序数词一般由基数词后加th构成,前面一般加定冠词the。
第18
第200
2. 以y结尾的基数词构成序数词时,先把y改成i,再加eth。
第50
第20
3. 不规则的序数词有以下几个
first, second, third, fifth, eighth, ninth,
twelfth(一定要记住)the eighteenththe two hundredththe fiftieththe twentieth first 1st
second 2nd
third 3rd
fourth 4th
fifth 5th
sixth 6th
seventh 7th
eighth 8th
ninth 9thtwelfth 12thtwentieth 20ththirtieth 30thfortieth 40thfiftieth 50thsixtieth 60thseventieth 70theightieth 80thninetieth 90thC.序数词的缩写形式:阿拉伯数字后加上th。first—lst second—2nd third—3rdfourth—4th twentieth—20thtwenty-third—23rdD.序数词的句法功能序数词在句中可作主语、宾语、定语和表语。The second is what I really need.(作主语)He choose the second.(作宾语)We are to carry out the first plan.(作定语)She is the second in our class.(作表语)4. 表示第几十几时,十位用基数词,
个位用序数词,十位和各位用连字符-
连接
第三十一
第六十五
第七十四
第九十九
第八十二
thirty-firstsixty-fifthseventy-fourthninety-nintheighty-second5. 编号的三种表示法
1)名词+基数词
Lesson Three
2)the+序数词+名词
the third lesson
3)名词+数字
Lesson 3
如:5班
Class Five = the fifth class = Class 5
一般编码用 名词 + 基数词
207房
三年级一班
第五部分
第一课
3 号汽车
第一中学Room 207
Class one Grade three
part five = the fifth part
lesson one = the first lesson
Bus No.3 = the No.3 bus
No. 1 Middle School四.数词的表示法 — 编号注:通常前面要加定冠词 the;但出现不定冠词a或an时,则表示“再—”,“又—”。We'll go over it a second time.特别说明:
1、世纪、年代、年份、月份时,用介词in
2、某一天、星期前用介词on
3、某一天早晨、下午或晚上时,用介词on。1、____ a cold morning,the old man died lonely in his house.
2、The girl was sent to hospital ____ the morning of March 20.
3、My son was born _____ October 2010.
4、People are very poor _____ the fifties. Ononinin 分数,小数,
百分比热门考点一:hundred、 thousand、 million、 billion的考查方法
1.和“of”连用,前面不能有具体的数,而且这四个词的本身必须用复数。如
hundreds of 数以百计的 thousands of 数以千计的
millions of 数以百万计的 billions of 数以十亿计的
many hundreds of students. 好几百个学生
2.当它们的前面有具体的数修饰时,其本身即不能用复数,
不能和“of”连用。
two thousand students 两千名学生
five hundred cars 五百辆车 热门考点二:其它重要表达方式的考法
1. 在某人多少岁
in + one’s + 几十的复数形式
eg: My parents are in their fifties.
2.a five-year-old boy
an eight-year-old girl
3.100-meter-long bridge (100米长的桥)
10 meters deep (10米深)
4.ten-minute walk = ten minutes’ walk
5. two more hours= another two hours
.序数词
1.Doris lives on the ____floor. It’s too high, so she has to take a lift every day.
A.four B.fourth C.forty D.fortieth
2.It’s the boy’s _____ birthday today. He is five years old.
A.fifteen B.fifth C.five
3.Mother’s Day is on the _________ Sunday in May every year.
A.two B.second C.six D.sixth
4.—What day is it today?—It’s Monday, and it’s my _________ birthday.
A.fifteen B.fifteenth C.the fifteen D.the fifteenth
5.It’s the __ time for me to volunteer in a hospital. I don’t know anything about it.
A. first B. second C. third D. last
6.On February 25, 2013, Li An, a Chinese director, won the best director again. It is
his time to win an “Oscar”.
A. first B. three C. twice D. second7.— How was your weekend?
—Great! It was my grandfather's _______birthday. We enjoyed ourselves.
A. seventy B. seventieth C. the seventieth D. Seventeenth
8.—Is this your ________ visit to my hometown, Zun yi?
—No. I’ve been here for many times.
A. one B. the first C. first
9.—Excuse me, how can I get to the museum?
—Sorry. It's my______ time to he here.
A. one B. first C. once
10.All the visitors live on floor.
A. two B. second C. the second
11.—David, how old is your father this year?
—___. And we just had a special party for his _____ birthday last weekend.
A. Fortieth; forty B. Forty; forty C. Forty; fortiethD. Fortieth; fortieth
12.-- I hear your friend is visiting San Ya again. Is it the second time for him?
-- Yes, and he will come for time next spring.
A. a third B. a second C. the third
基数词和序数词
1.This tall building has ____floors. And Tony lives on the ____floor.
A.twelve; twelve B.twelfth; twelfth
C.twelfth; twelve D.twelve; twelfth
2.Unit _____ is easy but ______ unit is difficult.
A.Sixth; seven B.Six; seven C.Sixth; the seventh D.Six; the seventh
3.—What should we do now?
—Please turn to Page _______ and look at the_________ picture.
A.Twelve; fifth B.Twelfth; fifth C.Twelve; five D.Twelfth; five
4.—Where is Class ___________?—It’s on the _________ floor.
A.Six; third B.Sixth; third C.Six; three D.Sixth; three
5.—When did you start to collect stamps?
—I got my ______ stamp when I was ______ years old.
A. one, seven B. one, seventh C. first, seventh D. first, seven
6.-How old is your daughter ?
- . We had a special party for her party yesterday .
A. Nine , nine. B. Nine , ninth . C. Ninth , ninth .分数
1._________ of our classmates are good at basketball.
A.Three quarters B.Three fourth C.third four
2. of the coats made of cotton. They feel comfortable.
A. Two-thirds; is B. Two-thirds; are
C. Two-third; is D. Two –third; are
3._______ of the students in our school ______girls.
A. Two three, are B. Two thirds, is C. Two thirds, are
4.It’s said that ______ of the water around the world ______ polluted.
two third; has B. two thirds; have
C. two third; are D. two thirds; is时间
1.—Let’s go to the bookstore at half past nine tomorrow morning.
—It’s too late.Let’s make it___.
A.a quarter to nine B .twenty to ten C.a quarter to ten
2.Can you imagine what life will be like in ______ time?
A. 20 years’ B. 20 year’s C. 20-years’ D. 20-year
年代
1.Linda’s mother looks young, but actually is in her ________.
A.sixties B.sixtieth C.sixty years old
2.About _____of the students in our class were born in the______ .
A. two-thirds, 1990s B. two-thirds, 1990 C. two-third, 1990s
数量
1._____students took the college entrance exam on time _____the morning of June 7th in South China, though it rained heavily.
A.Thousands of; in B.Many thousands; on C.Thousands of; on
2.Aft er the Asian Games, ____ people came to Guangzhou for a visit during
holidays. A. thousand B.thousands C.thousands of D.thousands of其他
1.—Have you finished your today’s work?—No, I need __ ___.
A.two another hours B.another two hours
C.more two hours D.two other hours
2.The number of the cars in our neighborhood is about eight ____, and ____ of them are new cars.
A.hundred; two thirds B. hundred; two thirds
C. Hundreds; two thirds D. hundreds; two third
3.To finish the task, we’ve tried three times, and after dinner we’ll try time.
A.the fourth B.a fourth C.fourth D.four
4.Kate is girl. She’s very happy at school.
A.a eighteen-year-old B.an eighteen-year-old
C.an eighteen-years-old D.a eighteen–years-old
5.She is a _____ girl with two big eyes.
A.six-years-old B.six-year-old C.six years old
6.In this exam, you’re asked to write a composition of about ________.
A. 90-words B. 90-word C. 90 words D. 90 word’sThank You !