Unit 11 Scientific achievement
Ⅰ.Brief Statements Based on the Unit
Science and technology are part of productive forces.The modern society has proved it.As we all see now,scientific achievements have changed the whole world and made people break away from ignorance and backwardness.The society has made great progress.This unit is arranged around the central topic—scientific achievement.In Warming up,there are several pictures asking students to talk about the most significant scientific achievements.The Speaking part introduces four different scientists who want to get money to complete their projects which are very helpful to human beings.The reading material—Zhongguancun,which is called China’s Silicon Valley,is the new centre for Chinese science and technology.By studying this unit,students also know that Chinese history is filled with great achievements in science and technology.In particular,since the year 1995 the Chinese government put forward a plan for "rejuvenating the nation by relying on science and education" and this has helped Chinese scientists make many breakthroughs.This unit presents four such results in Integrating Skills.As to Grammar—Word Formation,teacher should let students master some knowledge of forming a word,and know how to use stems and affixes to form a compound.
1.Talk about science and scientific achievement.
2.Practise expressing intentions and wishes.
3.Learn about Word Formation(1).
4.Write a persuasion essay.
1.The Influence of the Computer
About ten years ago,the computer was a strange machine.Not many people understood it.Not many people said yes to it.Today,much of that is changing.The first computer system was introduced for use in business in the mid-1950s.Since then,the number of computer systems used in business,governments,and institutions(公共机构) has grown rapidly.In 1975,about 250 000 systems were in use in the United States.This figure is growing by tens of thousands every year.