Unit 6 Earth First Starting Out & Understanding ideas 课件-2022-2023学年高中英语外研版（2019）必修第二册

Unit 6 Earth first Starting out 1 Watch the video and answer the questions. What does the video want to tell us? 2. Listen and fill in the missing numbers in the alarming facts mentioned in the video. _______square kilometres of forest disappear every year. Around _______ trees are cut down each day just to make toilet paper. Each day, around _________ species of plants and animals become extinct—nearly ________ times the natural rate of extinction. Over ____________ animals are killed by ocean pollution each year. __________ people don’t have clean drinking water. A plastic bottle can take ______ years to break down. The ice caps are more than ______ thinner than they were ___ years ago. 130,000 25,000 150 to 200 1,000 1 million 1 billion 450 50% 40 Which of the facts in the video do you find most alarming? 3 What environmental problem does each cartoon refer to? air pollution water pollution deforestation What are the causes of these problems? global warming What do you think is the most serious environmental problem we face today? What should be done to help solve it? air pollution water pollution deforestation global warming 5 If environmental problems are not solved, we will see the scene of the picture and such. shark Unit 6 Earth first Understanding ideas 7 fin [fɪn] Brainstorming What’s your impression of sharks? (use adjectives to describe it) Brainstorming What’s your impression of sharks? (use adjectives to describe it) endangered dangerous terrifying powerful sharks man-eating huge interesting intelligent cute 10 What’s your impression of sharks after watching the trailor? What about now? finning: a type of fishing where sharks are caught and their fins cut off. Sharks: dangerous or endangered? 1. What caused the endangerment of sharks? people’s fear of sharks finning Para. 2 People saw sharks as _________________________________ People wanted sharks _____________ Para.3 What is finning? Why does finning happen? stereotype 2.