Unit 5 Revealing nature Developing ideas 课件-2023-2024学年高中英语外研版（2019）选择性必修第一册

演示文稿标题 1 选择性必修一 Unit 5 Revealing Nature Developing ideas 1 演示文稿标题 2 3 We humans have evolved from the lower forms of life and now stand at the top of the food chain. evolutionary tree 3 演示文稿标题 4 And other creatures and species are also struggling for their survival on the same planet with us. 4 While humans and animals could talk or even create different sounds to make our life full of fun. 演示文稿标题 5 演示文稿标题 6 With thousands of years’ evolution, there are about 375,000 species of plants existing on earth, with more being discovered each year. What about plants? What can plants do? 6 演示文稿标题 7 Flytrap Mimosa Pea It can catch insects. It can shut its leaves when touched. It can sow its own seeds. Plants are active in nature. 7 演示文稿标题 8 But most of them just stay in one place for a lifetime, without moving around. rain cold drought disease 8 演示文稿标题 9 Would plants communicate with each other? What if plants can speak? 9 The Secret Language of Plants 选择性必修一 Unit 5 Revealing Nature Developing ideas 10 Now read the text and try to figure out the genre of the text and the structure of the whole passage. Fast-reading 11 Structure and genre 演示文稿标题 12 Exposition To give information or to explain something. Para.4 Para.2 Para.5 Para.6 Para.3 演示文稿标题 13 Detail-reading 13 演示文稿标题 14 Alexander the Great (356-323 BC) was a Macedonian ruler and one of history’s greatest military leader. As king of Macedonia, he established the largest empire the ancient had ever seen. Marco Polo (1254-1324) was a Venetian merchant and explore believed to have journeyed from Europe to Asia from 1271 to1295 and have remained in China for 17 of those years. He was known for his book The Travels of Marco Polo, which describes his voyage and experiences in Asia. a science-fiction movie 14 演示文稿标题 15 Examples of talking trees Detail-reading 15 演示文稿标题 16 Examples of talking trees To arouse our interest and introduce the topic. Detail-reading Topic sentence 16 Structure and genre 演示文稿标题 Intro