Unit5 Starting out课件 2025-2026学年外研版英语八年级下册

该初中英语课件围绕“自然探索”主题，涵盖核心词汇、宾语从句（that, if, whether）及探索精神培养。课堂通过“Look and say”图片提问（如沙漠观星人）和中外科学家案例（李时珍、达尔文等）导入，衔接海报制作任务，构建从感知到实践的学习支架。 其亮点在于融合语言能力与文化意识，通过科学家案例对比（如王贞仪与达尔文）培养跨文化认知，任务驱动（制作海报）提升语言运用。思维品质方面，小组绘制宾语从句思维导图促进逻辑构建，评价标准明确核心词汇与语法运用要求。学生能综合运用语言并树立探索精神，教师可依托结构化资源高效教学。

Unit 5 Looking into nature 《英语》（新标准）初中修订版 1 Starting out Learning Objectives 1 单元要求 (1)主题目标:学完本单元后，学生能够进一步认识人类探索自然的行为及其意义，学习科学家勇于探索的精神，培养对自然的敬畏与热爱之心。 (2)结果产出:学生制作一张海报，介绍自然探索领域的一项成就。 (3)评价标准: 1学生能够介绍该成就的基本信息，如名称、相关人物等。 2学生能够描述该成就的重要性。 3学生能够阐述该成就所体现的探索精神。 4学生能够尽可能多地使用本单元的核心词汇，尤其是生词。 5学生能够正确使用宾语从句(that,if，whether )。 《英语》（新标准）初中修订版 3 What can you see in the picture? A man is holding a flashlight in a desert at night. I can also see countless stars in the sky. What do you think the man is doing? Maybe he is watching the stars. What does the picture make you feel? Look and say. 国家中小学课程资源 What do you know about nature? In this unit, let’s look into nature exploration. How can we explore nature? What are some of its unsolved secrets? What is the spirit of nature exploration? By the end of this unit, you will make a poster about an achievement in nature exploration. After completing the unit, you will be able to: use words and expressions in the unit to talk about nature exploration. use object clauses with that, if and whether to describe discoveries in nature exploration. describe the spirit of nature exploration. What are you going to learn in this unit? discoveries in nature unsolved secrets of nature spirit of nature exploration 国家中小学课程资源 6 背景提示 李时珍，明代医药学家。为编撰《本草纲目》他历时二十七载跋涉山川，亲尝百草，实地考察药物特性，纠正了前人诸多谬误。《本草纲目》被誉为“东方医学巨典”，为后世药物学、植物学研究奠定了坚实基础。 查尔斯·达尔文(Charles Darwin),英国博物学家，进化论的奠基人。他通过历时五年的环球航行，观察搜集动植物和地质材料，分析后形成生物进化概念，最终于1859年出版了《物种起源》 王贞仪，清代女天文学家、数学家。她通过亲自动手实验和长期观测，在天文、数学、气象、地理等多领域积累了深厚学识。她的《月食解》和《地圆论》等著作，有力批判了当时盛行的地平观念和封建迷信思想，为传播科学知识、推动思想进步做出了重要贡献。 1.Look at the pictures and answer the questions. 1. What do you know about these people? Li Shizhen was a famous doctor in the Ming Dynasty. He wrote Bencao Gangmu, a classic经典的 book about traditional Chinese medicine. 国家中小学课程资源 1.Look at the pictures and answer the questions. 1. What do you know about these people? Charles Darwin was a famous British biologist生物学家. He came up with the theory of evolution and explained how life changes throughout history. 国家中小学课程资源 1.Look at the pictures and answer the questions. 1. What do you know about these people? Wang Zhenyi was a well-known female scientist in the Qing Dynasty. She studied maths and astronomy天文学, and she made important contributions. 国家中小学课程资源 2. What do they have in common? They all studied nature. They taught other people about nature, too. 1.Look at the pictures and answer the questions. 国家中小学课程资源 came up with the theory of evolution made contributions in maths and astronomy Look at the pictures and match. a famous British biologist a famous doctor in the Ming Dynasty a well-known female scientist in the Qing Dynasty wrote Bencao Gangmu 国家中小学课程资源 12 1.What secrets of nature do you know? 2.Which one do you want to explore more? 2.Look at the picture and answer the questions. 国家中小学课程资源 13 Grammar 国家中小学课程资源 14 宾语从句(1) 1.定义和构成 宾语从句是英语中用来充当宾语的句子宾语从句一般由“引导词十主语十谓语十其他”构成，语序要用陈述句语序。 2.that引导的宾语从句 that引导的宾语从句用来陈述事实，that本身无词义，在从句中不作任何成分，在口语中常常省略。但是如果有两个并列的宾语从句，第二个从句的引导词that不能省略。 例如: He said (that) the book was veryinteresting and that (不能省 略) all thechildren liked to read it.他说那本书很有趣，所有的小朋友都喜欢看。 (1)主句的谓语动词是表示肯定的概念， believe, expect, explain, feel, forget,guess, hear, hope,imagine, know, prefer,promise, remember, report, say, see, tell,think,understand,warn,wish 等时,其后面的宾语从句一般用that引导。 例如: I hope (that) he will be fine soon. 我希望他很快好起来。 He said (that) he didn't like music. 说他不喜欢音乐。 (2)主句由“连系动词十形容词”构成的“系表”结构，常接that引导的宾语从句。这类形容词多表示感情，如afraid,certain， sure,surprised 等。 例如: glad, happy, pleased, sad, satisfied, sorry, I'm afraid (that) he can't come.恐怕他不能来了。 We are all pleased (that) you can come. 你们能来我们都很高兴。 3.由whether或if引导的宾语从句 whether,if 都意为“是否”，当宾语从句要表达不肯定或疑问的概念时，从句由whether或if来引导,不能用that。whether 和if在从句中不可省略。 例如: I don' t know whether/if he will help me.我不知道他是否会帮助我。 【注意】一般情况下,if和 whether 可以互换，但以下3种情况只能用whether: (1)在不定式之前。 例如: We don’t decide whether to go toBeijing or not.我们还没决定是否去北京。 (2)在介词之后。 例如: It depends on whether you want to do it. 这取决于你是否想去做这件事。 (3)与or not连用表示选择意义时。 例如: They are talking about whether to buy acar or not. 他们正在讨论是否买一辆小汽车。 针对训练 用 that, if, whether 填空。 (1)I think he will come back soon. (2) She wonders the movie is interesting. (3)The teacher said the earth goes around the sun. that if/whether that You mind map should cover the functions of conjunctions and structures. Draw a grammar mind map of object clauses in groups. 国家中小学课程资源 19 Recite the new words. Homework 国家中小学课程资源 20 Thank you ! 国家中小学课程资源 21 $