chapter 4revision.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Chapter 4 Revision,1.,加,plus 2.,减,minus 3.,乘,multiply/times,4.,除,/,除以,divide 5.,度,degree 6.,百分数,percentage,7.,发明,invent(n.invention)8.,特别,especially,9.,大脑,brain 10.,然而,however 11.,差不多,nearly,12.,数数,count 13.,印度人,Indian 14.,发展,develop,15.,精确的,accurate 16.,珠子,bead 17.,丝,/,线,wire,18.,底部的,bottom 19.,电子的,electronic,20.,强大的,powerful 21.,找零,change,22.,双的,double 23.,同伴,fellow 24.,事故,traffic,25.,上升,rise 26.,决定,decision(v.decide),27.,核对,check 28.,指导,/,指示,instruction,29.,总的,total 30.,分别地,separately,II.Phrases,至少,at least 2.,由,组成,consist of,3.,代表,stand for 4.,一瞬间,in a flash,5.,在古代,in ancient times,6.,用许多不同的方法,in many different ways,7.,从,到,fromto 8.,写下；记下,write down,9.,数字系统,the system of numbers,10.,国际语言,international language,11.,以十计算,count in tens,12.,用数字写下,write down in figures,13.,帮助某人做某事,help,sb,(,to)do,sth,14.,决定做某事,decide to do,sth,./make up ones mind to do,sth,./make a decision to do,sth,.,15.,很久以前,long,long ago,III.Fill in the blanks,1.There will be an _(nation),meeting in Beijing next month.,2.64%is a _.(percent),3.The sea covers _(near),three-fourths of the worlds surface.,4.Could you tell me your _(fly)number so that I can pick you up at the airport?,international,percentage,nearly,flight,5.Tigers are very _(power)animals.,6.The zero is _(especial)an important number.,7.There are _(million)of books in Shenzhen Library.,8.Water _(,由,组成,)oxygen and hydrogen.,9.Abacuses are good _(,计算器,),10.Great progress_(,开始于,)hard work every day.,11.Many _ in ancient China _ a lot of important _(invent).,powerful,especially,millions,consists of,calculating machines,starts from/begins from,inventors,invented,inventions,12.China is a _ country,while America is a _one.(develop),13.Abacus is a _ machine to do _,that is,abacus is a kind of _.(calculate),14._5 by 9 is 45.(multiply),5 _ 9 is 45.(time),15.27 _ by 3 is 9.(divide),_27 by 3,and you have 9.,16.12 _ 4 is 16.,_12 and 4,and you get 16.,17._15 from 20,and you have 5.(subtract),20 _15 is 5.(minus),developing,developed,calculating,calculation,calculator,Multiply,times,divided,Divide,plus,Add,Subtract,minus,III Paraphrase(10),1.The sign,stands for,the peace and love.,The sign,represents/means,the peace and love.,2.The book,consists of,twenty stories.,The book,is made up of,twenty stories.,3.They,decided to,go there by bus.,They,made up their mind,to go there by bus.,4.Add 1 and 2,you can get 3.,1 and/plus 2 is three,.,5.He said nothing.,He,didnt,say,anything.,6.In ancient times,people used stones as money.,Long,long ago,people used stones as money.,7.He did the calculation,in a flash,.,He did the calculation,very quickly,.,8.It was raining hard.,However,we went out to look for the boy.,It was raining hard,but,we went out to look for the boy.,9.Do you want,to visit Japan this winter holiday?,Would you like,to visit Japan this winter holiday?,10.Lets,start from,the first student.,Lets,begin,from,the first student.,2 two;second 20 twenty;twent,ie,th,5 five;,fifth,13 thirteen;thirteenth,4 four;fourth 8 eight;eighth,9 nine;,ninth,14 fourteen;fourteenth,40,forty,;fortieth 19 nineteen;nineteenth,90 ninety;ninetieth 35 thirty-five;thirty-fifth,153 one hundred,and,fifty-three;one hundred and fifty-third,6,489,782 six,million,four,hundred,eighty-nine,thousand,seven hundred and eighty-two,1/2 one second;a half,3/4three fourth,s,;a quarter,2/3 two third,s,;,4/7 four seventh,s,