Unit 3 Period Ⅰ Welcome to the unit & Reading—Comprehending（课件）-【优化探究】2022-2023学年新教材高中英语选择性必修第二册同步导学案（牛津译林版2020）

Period Ⅰ　Welcome to the unit & Reading—Comprehending 返回导航 下页 上页 译林英语 选择性必修 第二册 必备知识 自主学习 课时作业 巩固提升 返回导航 下页 上页 译林英语 选择性必修 第二册 Part 1　课文预读 [原文呈现] The future is in our genes Good afternoon，ladies and gentlemen. Thank you all for coming to this lecture. Over the course① of my career，I have seen many wonderful scientific developments，but none are as game­changing② 返回导航 下页 上页 译林英语 选择性必修 第二册 as genome editing③.I am full of excitement about the possibilities this scientific advance can bring and I hope to share my excitement with you today. as＋形容词＋as 定语从句，省略了关系代词that或which 返回导航 下页 上页 译林英语 选择性必修 第二册 As many of you may already know，genes play a critical role in④ shaping our lives.Everything from the colour of our eyes to our talent for maths depends on genes.The complete set of genes inside a cell⑤ or a living being⑥ is called a genome.Our own personal genome carries all the information needed to make us grow and develop．It also contains information that helps determine our lifespan⑦ and affects⑧ 返回导航 下页 上页 译林英语 选择性必修 第二册 our chances of contracting⑨ certain diseases．Some people，for example，carry a gene that makes them more likely to catch a certain virus⑩ or develop a particular form of cancer⑪． 过去分词短语作后置定语 that引导定语从句，在从句中作主语 that引导定语从句，在从句中作主语 返回导航 下页 上页 译林英语 选择性必修 第二册 Geneticists have been trying to identify⑫ which genes relate to⑬ which diseases，as they believe genome editing is an effective means⑭ of disease treatment and prevention．It allows geneticists to make changes to the genome by correcting，adding，deleting⑮ or replacing specific parts of the genetic material. In the near future，geneticists hope to apply this technology to⑯ treat a wide range of health problems. Soon we may be able to use such treatments to restore⑰ a 返回导航 下页 上页 译林英语 选择性必修 第二册 blind person's vision or give someone who was born deaf an excellent sense of hearing. Ultimately⑱，this new technology might even make it possible to prevent diseases from ever developin