文档介绍：Chapter 4 the world of numbers数字世界
一、词汇
Everyone,s language stand for at least start form
每个人的语言代表至少从。。。开始
In ancient times in many different ways do a calculation in tens
古时候用许多不同的方法计算用十进制
In a flash the system of numbers decimal number consist of
一瞬间,迅速数字系统小数包括,由。。。组成
Even number from1 to 9 odd number write it down
偶数,双数从1到9 奇数,单数写下
Calculating machines very powerful square roots pay attention to
计算机很强大平方根注意
The intenational language of numbers one of the first calculating machines different kinds of
国际通用的数字语言最早的计算工具之一不同种类的
A kinds of Modern electronic calculators your partner,s mind make a mistake with
一种现代电子计算器你同伴的想法出错
Receive…from a group of word out traffic accidents In figures
从。。。收到一组、一群算出交通事故以数字的形式
In words
以文字的形式
二、同义句
1、in ancient times=long long ago=once upon a time在古代、很久以前
In ancient times,people used stones as money.= Long long ago,people used stones as money.
很久以前,人们用石头代表钱。= Once upon a time,people used stones as money.
2、at least=not less than至少 There are at least than 20 students in the meeting room.
会议室里至少有20个学生。= There are not less than 20 students in the meeting room.
3、however=but然而,但是。 It was raining ,we went out to look for the boy.
= It was raining we went out to look for the boy.
4、almost=nearly差不多,几乎。 It is almost time to go aboard.=It is nearly time to go aboard.
5、consist of=include=be made up of