初中英语语法数词中招考点

第32页
第305房间
Room 305
第12路公共汽车 Bus No.12
2.分数表示法
分子用基数词，分母用序数词。 分子大于1时，分母加-s。
1/4 one-fourth 3/4 three-fourths 2/3 two-thirds 半年 half a year
a (one) quarter three quarters 1/2 a (one) half 半小时 half an hour
五、数词的用法
1、编号表示法
编号在前，名词在后，用序数词，前面有the 编号在后，名词在前，用基数词，注意首字母大写 房间号码和电话号码要一个一个分别读
第一课
The First Lesson（在句子中不大写） Lesson One the thirty-second page Page 32 / Page Thirty-two
4.“基数词－名词－形容词”结构
• “基数词－名词－形容词”只能用来放到名词前作定语。 如： • She is a 3-year-old girl. • They live in a 7-storey-high building. • 注：这种结构中名词不能用复数，同时只能作定语。用作 表语时，不用连字符，名词有复数。如： • Tony is 10 years old this year. • Tony is a 10-year-old boy.
( )40.third B.fourth C.fifth D.sixth （2012年词汇运用70小题）Michael’s first public show was at a school program in his _____(one) grade in 1963.
一.基数词的构成
1）1－12, 独立成词。 2）13--19, 由3－9 + teen构成。 3）20－90, 以-ty结尾。 4）21－99， 两位数，十位与个位之间有 “－”。
three fourths / three quarters
twenty-four twenty-fifths
a half
B 1. 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 (2007乌鲁木齐)
三、基数词变序数词顺口溜
1，2，3, 另外记； “ve”变f 加 th 8加h,9去e y变ie加th
四、序数词的用法
(1)序数词作定语，前面要加the；
The first truck is carrying a food basket．
John lives on the fifteenth floor．
一年半 one and a half years
one year and a half
分数修饰名词时，后用of短语。如： 1/3 one third of teachers 3/7 three sevenths of the boys
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3.年份、日期、时刻表达法
年用基数词表示,两位一读,介词用in 日用序数词表示,介词用on 1999 nineteen ninety-nine 2008 two thousand and eight 1949年10月1日 读作: October (the) first, nineteen forty-nine (月-日，年) the first of October, nineteen forty-nine（日-月，年） 写作: October 1st,1999(日用缩写，月-日-年) October 1, 1999 (日用数字) 1st October,1999日-月，年 表示“在…世纪”, 用序数词。 在20世纪 写作：in 20th century 读作：in the twentieth century
5、表示时刻 (介词用at)
1)数字法----先时后分, ―几点几分” 9:30 nine thirty 6:21 six twenty-one 2)介词法----先分后时 表示“几点过几分”，半小时以内，介词用past 分钟数+past +钟点数 10:10 ten past ten 8:20 twenty past eight 表示“几点差几分”，半小时以上，介词用to 60减原分钟+ to + (下一个)钟点数 9:50 ten to ten 7:40 twenty to eight 3) 15分钟：a quarter 30分钟：a half 9:15 a quarter past nine 12:30 half past twelve
－How many people will come to Beijing next year? B －It’s hard to say, ________ people, I think. lion of B. millions of C. three millions D. three millions of
2. It is said that the gravity(引力) on Mars is only about __________ of A the gravity on earth. A.three－eighths B. third－eighth C. three－eights D. third－eight
14
40 50 1505 70
8021 601
90 16
17
18 119
Can you read a fraction?
1/2 1/3 1/4 24/25 3/4 3
three and six sevenths
one third /a third one quarter /a quarter/ one fourth
( ) On National Day, people are on Erqi Square and are our teachers and students. A. B.C.D.
2、 “几十”的复数形式可以表示：
几十多岁 ---- in + one’s + 数词复数 年 代 ---- in + the +数词复数 1) He died in his forties．四十多岁 2) In the nineties, most people go to work by bike. 90年代
5）101—999，三位数，百位与十位/个位之间加 and。
6) 1，000以上数目,从右向左每三位用“，”分开,分别 读为thousand , million, billion，
and
6 , 500 , 431 , 7 29
billion million
-
hundred thousand
二、基数词的用法考点链接： 数字+hundred+名词复数 hundreds of+名词复数
初中英语语法 ——数词
概念
数词就是表示事物的数量和顺序的词。 1.基数词 2.序数词 3. 分数
2009-2014中招链接
（2010年词汇运用）Then he said，“I am going to give this $100 bill to one of you，but 68 （first），let me do this．”He made the bill into a ball． （2011年词汇运用）I’ve been buying the lottery (彩票) for almost twenty 74 , but I’m still poor. I have never got the 75 （three）place even once. （2012年完形填空）On the third,fourh,and 40 (five)day,Mr Smith did the same thing and repeated his 41 .
She is my first English teacher.
(2)有时加a/an，“再一”，“又一” 的意思
We‘ll have to do it a second time．
Shall I ask him a third time？
When I sat down，a fourth man rose to speak． They had a second child in 1988
3、“基数词+名词” 的合成形容词作定语， 中间有连字符“－”,当中的名词用单数。
a 3 – year – old girl a seven-day holiday
4、表计量-- ―基数词+度量单位+形容词”
The classroom is 7 meters long, 6 meters wide and 3 meters high.