Unit6 Earth first Understanding Ideas 课件-2025-2026学年高中英语外研版必修第二册

SHARKS: DANGEROUS OR ENDANGERED? Unit6 Earth First Learning Objectives 01 02 03 To get the structure of the passage and the author’s writing purpose To analyze how people’s attitudes towards sharks have changed; To think critically about how to protect sharks. Lead-in： What happened in the video? A woman was attacked(攻击) by a shark. How do you feel about sharks? ✔️ ✔️ ✔️ ? SHARKS: or Endangered? Answer the following questions and underline supporting details Which paragraph(s) describe sharks as dangerous? What makes people think they are dangerous? Which paragraph(s) describe sharks as endangered? What makes them endangered? What’s the author’s conclusion of the passage? Read for the structure Dangerous Which paragraph(s) describe Sharks as dangerous? Read for the structure 6 Which paragraph(s) describe Sharks as endangered? Read for the structure 7 What’s the author’s conclusion? Read for the structure 5 Fortunately, not everyone who watched the film Jaws became afraid of sharks – some became interested in understanding them. Today, as we learn more about sharks, more people than ever want to protect them from extinction. 8 Back to the title What’s the author’s answer to this question? ? Dangerous Endangered ❌ ✔️ 9 To criticise Peter Benchley’s misleading description of sharks in his book and advocate the protection of sharks. To explain people’s misunderstanding of sharks and raise awareness of shark protection. To inform people about sharks and recommend the film and the book to them. Choose the author’s purpose in writing the passage. Sharks are dangerous Read for the writing purpose Read for the details Read the passage again and find out how people’ s attitudes towards sharks have changed ? 11 In the beginning After watching Jaws In the 1980s Things people did Attitudes they held Today People have always been ____________ of sharks. Jaws made things worse. Many people believe sharks are ____________________________. Some people stopped___________. Other people started ___________. Benchley admitted that ______________________ and sharks don’t _________ humans. Experts’ ve proved ________________and they attack us ______________. As we learn more about sharks, more people than ever want to________________         Scared More scared Angry/hate Realize their Misunderstanding regret to kill Protect sharks scared bad animals that ate humans swimming… fishing for sharks his book was wrong… target sharks don’t see people as food by mistakes protect sharks from extinction ? 12 Critical thinking What can we do to protect sharks? Senior high students Government Experts 13 Show time What can we do to protect the sharks? Critical thinking Experts Government Senior high students raise awareness of protecting sharks stop polluting the ocean refuse to eat/buy sharks set up nature reserves (自然保护区) pass laws to stop illegal killing educate the public do more research offer more findings about sharks. Human beings should live in ______________with wild animals. harmony Self-Evaluation Homework 假定你是李华，刚刚加入世界自然基金会（WWF），请你以How to protect sharks为题，写一篇短文，号召大家保护鲨鱼。内容包括： 鲨鱼现状； 保护措施 ； 发出号召。 _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ How to protect sharks？ Thank you Protect wildlife for a harmonious Earth! $