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 Q1: What does the video want to tell us? 1. Watch the video and answer the question. ①_______square kilometres of forest disappear every year. ②Around _______ trees are cut down each day just to make toilet paper. ③Each day, around _________ species of plants and animals become extinct—nearly ________ times the natural rate of extinction. ④Over ____________ animals are killed by ocean pollution each year. ⑤__________ people don’t have clean drinking water. ⑥A plastic bottle can take ______ years to break down. ⑦The ice caps are more than ______ thinner than they were _____ years ago. 2. Listen and complete the missing numbers. Q2: Which of the facts in the video do you find most alarming? 130,000 25,000 150 to 200 1,000 1 million 1 billion 450 50% 40 3 3. Look at the cartoons and answer the questions. water pollution deforestation air pollution global warming Q1: environmental problems? Q2: causes of the problems? Q3: the most serious problem? Q4: solutions the the problem? Tips: ignore; cause/lead to; people's awareness of environmental protection ; recycle; garbage classification; green energy;ecosystem; take measures/actions... If environmental problems are not solved, we will see the scene of the picture and such. 等等,诸如此类的事 Unit 6 Earth first Understanding ideas 6 1. Tick the words that you would use to describe sharks. Add any more you can think of. fierce horrible scary terrifying frightening aggressive tricky/slippery flexible giant Unit6 Reading ——SHARKS：DANGEROUS OR ENDANGERED? Pre-reading Look at the pictures and the title and predict： 1. Which one may the author focus on: dangerous or endangered? 2 . What type of text is this passage? A．Narration(记叙文)． B．Argumentation(议论文)． C．Exposition(说明文)． D．Prose(散文)． √ 2. Read the passage and find out how sharks are described in the film Jaws. Steven Spielberg 斯蒂芬·斯皮尔伯格 （美国导演、编剧、制作人） 10 While-reading Para.1　 A. Finning kills millions of sharks a year. P