【优化指导】云南省2016中考英语 第二部分 语法专题突破 专题4 数词针对训练+课件

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名称 【优化指导】云南省2016中考英语 第二部分 语法专题突破 专题4 数词针对训练+课件
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更新时间 2016-01-13 18:57:35

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课件18张PPT。专题四 数 词1.常考的基数词和序数词对照表基数词和序数词考点一2.基数词的用法
(1)表示数量(2)表示时刻(过past,差to读法)(3)表加,减,乘,除(等号是equals/is)(4)具体日期(年,月,日):1949,10,1读作on October first nineteen forty-nine。
(5)……世纪……年代:in the 1980's读作in the nineteen eighties,意为“在20世纪80年代”。
(6)“基数词+单数名词”相当于复合形容词,作名词的定语,用于表示时间、距离等。eg.
the 100-metre race 100米赛跑
a ten-minute walk 10分钟的路程
(7)“in one's+整十的复数”表示在“在某人……多岁时”。eg.
in his forties 在他四十多岁的时候3.序数词的用法
(1)序数词在使用时,通常前面要加定冠词the,但是如果序数词前出现不定冠词a或an时,则表示“再一; 又一”。eg.
We'll go over it a second time.我们得再检查第二遍。
We've tried it three times.Must we try it a fourth time?我们已经试过三遍了,还必须再试一次(第四次)吗?
(2)基数词也可以表示顺序。只需将基数词放在它所修饰的名词之后即可,不需要添加定冠词。eg.
the first lesson=Lesson One 第一课
the fifth page=Page 5(Five) 第五页
the twenty-first room=Room 21(Twenty-one) 21号房间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。eg.
five hundred people 500人
two thousand books 两千本书
several million trees 几百万棵树概数词考点二
2.表示不确切的数字(概数词加s+of+名词复数)
hundred,thousand,million等词与of连用,要用复数形式,但前面不能再加数字。eg.
thousands of factories成千上万家工厂
1.三个分数的两种读法
1/2:one second a half
1/4:one fourth a quarter
3/4:three fourths three quarters
2.“分数+of+名词”作主语时,谓语动词的单复数要以of后的名词为准。eg.
Three quarters of the teachers are women teachers, and one fourth of the teachers are men teachers in our school. 我们学校四分之三是女老师,四分之一是男老师。分数的用法考点三3.“半”的表示法
(1)“half of+名词”作主语,谓语动词的单复数以of后名词为准。eg.
Half of the students are from foreign countries. 有二分之一的学生来自外国。
Half of the housework is done. 做了二分之一的家务。
(2)“1.5+名词”作主语,谓语动词常用单数形式。eg.
Don't worry.There is still one and a half hours/one hour and a half left now. 不要担心。还有1.5小时。谢谢观看!第二部分 专题四
Ⅰ.单项填空
(C )1.This is Mr White's ________ visit to Beijing. He has been there twice before.
A.two  B.second 
C.third  D.three
(A )2.The old man began to learn English at the age of________.
A.sixty  B.sixties
C.sixty-year-old  D.sixty years old
【精析】考查基数词的用法。at the age of+基数词,表示“在……岁时”。
(C )3.Today is my mother's________ birthday. I will buy her a gift.
A.fourteen  B.fourteenth 
C.fortieth  D.four
【精析】考查序数词的用法。表示序列时用序数词,序数词前用定冠词the,若序数词前面有形容词性物主代词或名词所有格修饰时,不再用任何冠词,并由句意可知“今天是我妈妈的四十岁生日”应用fortieth,故选C。
(B )4.He has failed seven times, but he wants to try a ________ time.
A.eight  B.eighth 
C.eighteeth  D.eighty
【精析】考查序数词的用法。表示“再一,又一”含义时应用“不定冠词a或an+序数词”。句意为“他已经失败了七次,但他还想再尝试一次”。故选B。
(C )5.My uncle wrote five books in his________.
A.seventy  B.seventieth
C.seventies  D.seventeenth
【精析】考查岁数的表达。表示“在某人多少岁数的时候”应用“in+整十的复数”,故选C。
Ⅱ.根据句意,用括号中所给词的适当形式填空
6.Please, turn to page __nine__ and look at the picture.(nine)
7.Today is John's __fifth__ birthday. He received many presents.(five)
8.There are seven days in a week and Friday is the __sixth__ day of the week.(six)
9.Rose lives on the __twentieth__ floor. It's too high, so she has to take a lift every day.(twenty)
10.The __second__ Youth Olympic Games was held in Nanjing on August 16, 2014.(two)
单项填空
(B )1.—How many teachers are there in your school?
—About four________.
A.hundreds of     B.hundred
C.hundreds  D.hundred of
(C )2.Guilin is becoming more and more beautiful,and________foreign travelers come to visit it every year.
A.thousands  B.thousand of
C.thousands of  D.thousand
(A )3.________books were sent to a poor mountain village school by the volunteers before New Year.
A.Millions of  B.Million
C.Millions  D.Million of
单项填空
(A )1.Over________ of the articles on education have been published.
A.two thirds       B.two third
C.seconds three  D.seconds third
【精析】考查分数的表达。分数的构成:分子是基数词,分母是序数词;分子大于一时,分母加-s。
(C )2.About________ of the surface of the earth________covered with water.
A.three quarter; is  B.three quarters; has
C.three quarters; is  D.three quarter; are