Unit 1 Extended reading 课件-2022-2023学年高中英语牛津译林版（2020）选修第一册

Our living planet Extended reading Learning Objectives By the end of this section, students will be able to: 1. summarize the main idea of the science magazine article; 2. grasp the writing technique of using spatial order to describe things; 3. identify the effect of presenting the depths of the Earth in the form of a comic strip; 4. critically analyse the measure of drilling a ho ole through the Earth’s crust and into the mantle; 5. appreciate the scientific spirit of scientists. What do you know about the inside of the Earth? What is the inside of the Earth made up of? And What are the features of each part? The Earth is composed of three layers: the crust, mantle and core. Crust(地壳) Mantle(地幔) Inner core (内核） Outer core (外核) Core (地核) a thin layer of rock on the Earth's surface hot, slow-moving rock below the crust and surrounding the core extremely hot, liquid iron mixed with other components, covering a solid centre, which is the innermost part of the Earth Preview Look through the article quickly and complete the following table about its outline. Read for structure Inside the Earth Para. 1: Introduction to the topic of studying the inside of the Earth Para. 2: The __________ of studying the inside of the Earth Para. 3: The other __________ of studying the inside of the Earth Para. 4: The _______________________ of studying the inside of the Earth challenges benefits importance/significance Inquiry Read and finish the tasks as quickly as possible. Read Paras. 1&2 and answer the following question. Read for details 1. How do scientists know so much about the Earth's make-up? 2. What challenges may scientists face when exploring the inside of the Earth? Possible answer: Scientists know so much about the Earth's make-up by analysing earthquake waves and drilling very deep holes. 1. How do scientists know so much about the Earth's make-up? 2. What challenges may scientists face when exploring the inside of the Earth? Read Para. 3 and fill in the table bel