Unit 9 Lesson 1 To Clone or Not to Clone 课件-2022-2023学年高中英语北师大版（2019）选择性必修第三册

Lesson 1 To Clone or not to Clone cell species identical genes to edit genes to develop artificially to break the technical barrier to make an exact copy of to produce animal models Get to know some words and phrases related to cloning. 细胞 物种 相同的基因 编辑基因 人工发展 打破技术障碍 精确复制 生产动物模型 Cloning is the process of making an exact copy of a plant or animal and developing it either naturally or artificially. What is cloning? definition & natural cloning artificial cloning: cloned mammals artificial cloning: cloned primates the significance of cloning of primates moral concerns conclusion Fast Reading: Match the headings with the paragraphs Para 1 Para 2 Para 3 Para 4 Para 5 Para 6 Para 1 Read and answer the questions 1. What is cloning? 2. What examples of natural cloning are given? 3. What was the first cloned mammal?What happened to her? 4. How has the science of cloning developed since the first cloned mammal? Para2 5. What development in cloning was announced in 2018? What was special about it? 6. For how long did Dr. Sun Qiang's team work? Why did they work so hard? Para 3 List the potential benefits of, and moral concerns about cloning primates. Para 4 Para 5 Read the last paragraph. What does Einstein’s quote mean? “Science is a powerful instrument. How it is used, whether it is a blessing or a curse to mankind, depends on mankind and not on the instrument. A knife is useful, but it can also kill. Einstein’s quote means that science itself cannot be judged as good or bad, because it can only function when it is used by humans. He also indicates that humans need to be careful with the information they learn through science and to remember to use science for good. Reading Think and share. Why do researchers insist that the science of cloning should be further explored and advanced? Because they can continue making progress in curing diseases and developing treatments. (2) What is the writer’s attitude towards cloning? Find evidence.