Unit 5 A delicate world(Word教参)-【优化指导】2026-2027学年高中英语选择性必修第二册（外研版2019）

单元素养目标 文化、思维、学习 能力目标 了解食物链，阐述生态平衡的重要性；正确看待保护环境、保护珍稀野生动物的重要性；了解世界各地环保问题所面临的严峻形势，树立保护地球的坚定信念；能熟练掌握本单元语法，并运用本单元所学知识写一篇关于环保的文章 语言能力目标 核心单词 appetite，conservation，trap，owe，subsequently，dramatically，habitat，multiply，vegetation，decrease，departure，explode，substantial，intervention，endangered，nutrient，comparison，visual，herbal，rare，biological，apparently，variation，secure 重点词块 in harmony with，take over，in turn，die out，out of control，on behalf of，make it，name ...after ...，result in，a wide variety of 单元语法 it作形式宾语 写作能力 写一篇地点介绍类的演讲稿 单元话题导入 [品读话题短文] CLIMATE CHANGE① REQUIRES THE WORLD'S ATTENTION We have known about climate change for decades.There is little doubt that Earth is getting warmer and warmer②(see the graph).A warming ocean and atmosphere along with③ melting ice and rising sea levels provide evidence of a dramatic change④ in the global climate. In 2013，a lot of people were shocked by a news photo of a dead polar bear that was found on Norway's Arctic island of Svalbard.According to the scientists who found its dead body，all that remained of the polar bear was “skin and bones”．An expert who has studied polar bears for many years said that from the position of its dead body，the bear appeared to have starved⑤ and died.Experts claimed that low sea­ice levels caused by climate change meant the bear could not hunt seals as before，so it had to travel greater distances in order to find food.This alarming case⑥ showed how the increase in temperature had an impact on⑦ Earth's ecology⑧. (节选自人教版选择性必修第三册 Unit 3) [背记话题词块] ①climate change气候变化 ②get warmer and warmer变得越来越暖和 ③along with与……一起 ④dramatic change巨大的变化 ⑤starve vi.& vt.(使)挨饿；饿死 ⑥alarming case令人震惊的案例 ⑦have an impact on对……有影响 ⑧ecology n．生态；生态学 [分析重难句式] There is little doubt that Earth is getting warmer and warmer. 分析：There is little/no doubt that ...毫无疑问…… 翻译：毫无疑问，地球正在变得越来越暖和。 学科网（北京）股份有限公司 $$