UNIT 9 HUMAN BIOLOGY LESSON 1课件(共43张，内嵌视频)-高中英语北师大版(2019)选择性必修第三册(共44张PPT)

(课件网) LESSON 1 TO CLONE OR NOT TO CLONE UNIT 9 HUMAN BIOLOGY LEARNING OBJECTIVES To read and talk about cloning; To notice and discuss how a writer organises writing; To analyse a writer's intentions and opinions; To compare personal opinions with the ideas of others; To read for specific information to understand words in context; To recall and summarise information; To learn and practise using verbs in the perfect tense. KEY POINTS AND DIFFICULT POINTS To answer the comprehension questions; To understand and discuss cloning; To analyse a writer's intentions and opinions; To learn words and expressions in context; To struggle with complicated sentence structures; To think critically and express opinions freely. LEADING IN What do you know about cloning Cloning can create identical genes. Cloning can be used to edit genes. Cloning can make an exact copy of an animal. Scientists have broken lots of technical barriers when studying cloning. We’ve cloned several species, like sheep, cattle and dogs. Scientists want to produce animal models that are helpful for medical research. ACTIVATE AND SHARE What additional information would you like to know Use the words and phrases to help you. cell to edit genes to develop artificially species identical genes to make an exact copy of to produce animal models to break the technical barrier ACTIVATE AND SHARE What additional information would you like to know Use the words and phrases to help you. When was the first cloned animal created Why are scientists so interested in cloning What achievements have we made in cloning What problems are we facing now … READ AND EXPLORE Read the article and answer the following questions. 1. What can be inferred from the text about a cloned animal A. It usually lives as long as the original one. B. It usually lives longer than the original one. C. It usually dies earlier than the original one. D. It is usually as healthy as the original one. √ READ AND EXPLORE Read the article and answer the following questions. 2. Dr. Sun Qiang describe the research by _____. A. listing number B. giving an example C. making a comparison D. introducing a concept √ READ AND EXPLORE Read the article and answer the following questions. 3. Why did Chinese scientists work so hard to break this technical barrier to clone Zhong Zhong and Hua Hua A. They thought it helpful for medical research and human health. B. They wanted to earn much money and fame as well. C. They could be the first to have cloned primates spices. D. They wanted to surpass the other scientists. √ READ AND EXPLORE Read the article and answer the following questions. 4. What can we use the skill of cloning to do A. To bring about global peace. B. To create other famous scientists. C. To cure some special diseases. D. To clone a more perfect self to the world. √ READ AND EXPLORE Read the article and answer the following questions. 5. Which of the following is not an ... ...