Unit 5 Section Ⅰ Starting out-【新课程能力培养】2025-2026学年高中英语选择性必修第二册学习手册（外研版）

Unit 5 A delicate world Unit 5 A delicate world Section I Starting out 1.通过视频，感知地球生态系统的多样性及所有生物之间相互依赖的关系。 学习目标 2.观察、对比三幅咸海卫星照片，想象咸海未来的变化并分析原因，初步思考人类活动对 地球产生的影响。 必备单词affect 知识短语 live on depend on 关键能力 听、说 live in ecosystems,places like tundras,taiga, 精听练习 savannahs,grasslands,prairies,deserts,steppes, 完成教材Activity1后，完成以下细节 intertidal zones,subtidal zones,continental 填空练习。 shelves,deep ocean zones,estuaries,deciduous Connected Together forests,temperate rain forests,tropical rain Between where I am standing and wher- forests,Arctic ice packs,wetlands,marine ever you are sitting,there are millions of di- mud flats and cities.There are a lot of envi- fferent 1. of plants and animals,mi- ronments but there are a lot of living things to llions of different species,all living together in them up.The Earth's environ- the environment,in something we call an ments are just crowded with life.Living things 2. Now in order for an ecosystem take hold 6. they can. to be 3. in order for it to be Here's an insect living right on top of healthy,it has to have different kinds of plants blades of grass.It's a living thing that lives on and animals-lots of different kinds of plants other living things.See,environments always and animals...something we call "biodiversi- have living parts and 7. parts.Some ty".Now biodiversity 4. kind of animals live on top of plants,some animals complicated.But if you listen,it also sounds live in the water,some plants grow on rocks. kind of nice. It's all part of the 8. This is the Earth,our world.All the liv- Nearly 9. of the world's surface ing things that we know of live here,and they is covered with water.So most of the world's 学 57 高中英语选择性必修第二册（外研版） living things live here,just one ecosystem af- or there won't be a place for us.We have to ter another.Now [as]near as we can tell,all be very careful...extremely careful. the]living things depend on other living 重点知识 things.So the more different kinds of living things in an ecosystem,the more 10. affect vt. itis.We call this“biodiversity”-different (1)意为“影响”。 kinds of life. With the government's aid,those (who We can think of an ecosystem as this were)affected by the earthquake have wooden 11. game.See all the diffe- moved to the new settlements.在政府的 rent species? 帮助下，那些受到地震影响的人已经搬 They all fit together and they 12. 到新的定居地。 on each other to live.And you know,once in (2)意为“使感染（疾病）”。 a while a species will go 13. ,it'1 Diseases affect almost everyone at disappear from the ecosystem.You can see sometime during their lives.生活中几乎 how you can lose...a few of those without too 每个人都会生病。 much trouble.But [if]you start to lose too (3)意为“使感动：打动”。 many,the whole thing becomes...becomes a She was deeply affected by the story. little...rickety.Now,where do people fit in? 被故事深深感动了。 Oh,they fit in just about everywhere.Just 拓展：effect n.结果，效应，作用，影响 about anywhere you can walk,you'll find peo- 写牛刀小试 ple living because people are living things and 食物是为受地震影响的地区准备的。 they are part of the ecosystem.So when we go The food is for the areas (affect) to14. an ecosystem we have to be by the earthquake 15. about how things fit 16. (58学Section ll Using language 重点语法 DIt is obvious that he's late.2It is suggested that the meeting (should)be put off.3It looks as if he is wrong.4It took us three hours to get there.5It is a pity that you didn't see such a good film. 重点知识 1.it was/were about to fall down 2.wandering 2wandering 3It's no wonder (that) the children love to visit the farm. 精听练习 1.come across 2.refers to a tourist 3.No wonder 4.look up 5.making it into 6.variations of English 7.a particular type of pan 8.Chinese words and ex- pressions 9.over the last few decades 10.the words we use 11.in a large Asian supermarket 12.how to use chopsticks 13.go abroad to enjoy food 14.it isn't a surprise 15.not unusual 16.connecting people 17.smaller and smaller 18.a global village Section IV Developing ideas 文脉梳理 1.The setting of the address is on 19 November 1863,in a field in Gettysburg,Pennsylvania.The back- ground of the address is the Battle of Gettysburg in 1863, which resulted in over 50,000 casualties. 2.It was a new nation conceived in Liberty and dedi- cated to the proposition that all men are created equal./It Unit 5 A de Section I Starting out 精听练习 1.types 2.ecosystem 3.successful 4.sounds 5.fill 6.everywhere 7.non-living 8.ecosystem 9.three quarters 10.successful 11.puzzle 12.depend 13.extinct 14.manage 15.careful 16.together 重点知识 affected 参考答案 aimed at bringing freedom to the people and was based on the principle that all men are created equal. 3.It would test whether a nation conceived in Liberty and dedicated to the proposition that all men are created equal can long endure. 4.They gave their lives so that their nation might live. They were brave men whose struggles had consecrated the ground. 5.That this nation shall have a new birth of freedom; and that this government of the people,by the people,for the people,shall not perish from the earth. 6.The living should be dedicated to the task. 重点知识 1.①增加②爬上③骑上④组织⑤山 2.1It is really my honour to stand here to deliver an address.2 when he addressed me in fluent English 3.①部门②除法③分配④分歧 Section V Presenting ideas 例文鉴赏 Who the person is:Edgar Snow,an American jour- nalist. What boundary he has broken:He broke the ideolo- gical boundaries. How he achieved this:He spent time with...,listened to their stories...and conducted interviews with... Comments on him:He had special insight and bra- very... elicate world n Section ll Understanding ideas 文脉梳理 CFEADB 品鉴语言 1.contrast dramatically 2.existed in perfect harmony with 3.unknowingly brought 4.took over the island 5.developed an appetite for the birds 6.a source of food 7.digging holes 8.exploding rabbit population 9.in turn 10.died out 11.an official nature reserve 12.out of control 13.come up with a plan 14.With this goal in 93