大学体验英语英语视听说教程3 第四单元
Unit OverviewIn this highly developed era, people are making use of technologies to improve their standard of living. Many problems are solved with the advent of such technology as cloning, surrogacy and gene therapy. These biotechnologies have brought more options that people can easily access. Simultaneously, however, they bring about some ethical issues on how these technologies should be used fairly without infringing on people s rights and how they should be regulated to make sure they are not used illegally and exploited. Students will get to know the pros and cons of biotechnology through reading, listening and viewing. Various activities will inspire the students to talk about the impact of biotechnology on people s life by using the words and expressions in this unit.