Unit 6 Nature in words（课件PPT）-【优化指导】2022-2023学年新教材高中英语选择性必修第三册（外研版2019）

Unit 6 Nature in words 单元主题语境：人与自然一」 欣赏和保护自然 >>Unit 6 Nature in words 单元素养目标 文化、思维、 能够听懂并谈论与自然相关的文学作品；能够运用单元所学内容，通 学习能力目标 过创作关于自然的作品，表达自己对自然的热爱，树立环保意识 weekly,inspector,shaving,insist,secrecy,flush,plum, faintly,dispose,sparkle,prospect,redden,glare,flake, 语言能力目标 核心单词 bend,weathercock,church,rhyme,alabaster,goose,feather, innocent,enhance,ban,dozen,precise,launch,reputation ⊙ >>Unit 6 Nature in words 单元素养目标 break out,early on,escape death,on a number of occasions, gain a degree,a freelance writer,immensely popular,say of, 重点词块 a slight fall of snow,at the risk of...,talk away,come round, 语言能力目标 come out,transform...into...,in full sunlight,a body of, be apart from,run through 单元语法 非谓语动词作定语、状语和宾语补足语 写作能力 写一篇诗歌赏析 e ⊙ >>Unit 6 Nature in words 单元话题导入 [品读话题短文] Most polar bears could disappear by the end of the century,scientists say.Global ① warming is to blame. Polar bears hunt seals on the ice.Without ice,the bears must wander on the shore, where they are spending more and more time away from their main food source.That means the animals could starve.The lack of food leads to another problem:Mother bears may not be fat enough to produce milk for their cubs.Some bear populations could stop having babies,leading to a rapid decline in numbers. >>>Unit 6 Nature in words Arctic sea ice usually melts in the spring and summer,then grows in the winter.But now,the ice is taking longer to grow back.The Arctic is home to roughly 25,000 polar bears.Scientists have long known that the animals are in danger. But a study notes that it is still possible to slow Arctic melting.The world can reduce the burning of fossil fuels and lower the greenhouse gas emissions that contribute to climate change. Saving the bears is up to us,Holland says."I believe that there is hope,"she says."But humans need to act quickly to turn that hope into a reality." e ⊙ >>Unit 6 Nature in words [背记话题词块] ①be to blame对某事应负责任；应受责备 ②on the shore在岸上 ③fossil fuel化石燃料 ④emission n.排放 ⑤contribute to有助于；促成 ⑥be up to s