新人教版英语高二下module8unit3inventorsandinventions之四

新人教版英语高二下module8unit3inventorsandinventions之四内容摘要：

the idea of a machine spending my money. ZJ: Well, many businesses already use mobile phones to buy goods. They leave them to order goods when they are at their cheapest. MB: Do they really? Well, I never! What I need is a mobile to stop me missing important calls. I missed three yesterday because my mobile was switched off. ZJ: You can have that too. There’s a new mobile ing out soon that will turn itself on when important calls e through. MB: Are you sure? If that’s the case, that’s the one for me! Thank you, Zhang Jie, I think I’ll wait for that one. Goodbye. ZJ: Goodbye. Look at these Chinese inventions on P68 in pairs and discuss what you know about them. Think about what they were used for and the date they were invented. Collect the information by doing some research. Fill in the chart and prepare to talk about one of the inventions to the class. What was its possible use? Why? When and where did it appear in Europe? 1 An abacus is used to calculate mathematical problems including equations. It is more efficient than using the brain alone. It was never used in the West, but it is closest in function to a modern personal calculator. What was its possible use? Why? When and where did it appear in Europe? 2 The printing press was used to print messages from the Emperor to the people. It helped the efficiency of government. Gutenburg(13981468)began to print books on his。