Module 1 Unit 2-第2课时 Reading （课后）-【教与学·学导练】2023-2024学年八年级上册英语同步课件PPT（上海教育版）

英 语 教与学 学导练 教与学·学导练·英语·八年级·上册·配上海教育版 （课后作业） Module 1 Amazing things Unit 2 Numbers 第2课时 Reading ·课后作业· 一、根据教材P19的课文内容,补全下面短文 A long time ago, a king in India challenged a 1.__________(wisdom) old man to a chess game. The king promised 2.__________(give) the old man any 3.__________(prize) if he won. The old man asked for one grain of rice for the first square of the chessboard, wise to give prize two for the 4.__________(two), four for the third and then he wanted 5.__________(double) the amount for each of the rest of the squares. 6.__________(final), the old man won. So the king ordered his men to collect 7.__________ bag of rice. He tried to do as the old man asked, second to double Finally a 8._______ he quickly realized that even 9.________ all the rice in the country, he would not have enough rice 10.__________ (put) on all the squares. but with to put 二、 阅读理解 （一） Do you know your mobile phone number well? Your number has 11 digits(数字). Why is that? The 11 digits include three parts. Each part has a different meaning. The first three numbers tell you about the mobile phone service provider you are using. For example, 135 is for China Mobile (中国移动)and 130 is for China Unicom(中国联通). The fourth to the seventh digits tell you about the area code (地区编码)and the last four digits are random (随机的). The main reason for using 11 digits is that we have the largest population in the world. We once had 10 numbers. But as our population grew, there were not enough numbers for us to use. So we began to use 11 digits from 1999. Besides China, Britain also uses 11-digit mobile phone numbers. But its numbers usually start with 0. Eleven digits can make tens of billions of mobile phone numbers. That's enough for each person to have seven or eight phone numbers to use in China. Also, the service provider will use a cancelled number again after three to six months. If you call a number that you haven't called for a long time, you may find its owner has