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1、选择性必修1 Unit 5 Revealing nature教学设计单元主题本单元主题语境是“人与自然”，涉及的主题语境内容是认识与探索自然。使学生通过学习初步了解自然，认识自然， 积极探索并努力揭示自然规律，发现自然奥秘。单元通过对生物物种、生物进化、生物的多样性、自然界植物语言奥秘等多维度的介绍，使学生初步了解物种起源、植物发展规律，引发对自然的思考，激发对自然的探索、对规律的敬畏，进而帮助学生理解人与自然和谐相处的重要意义。同时，单元通过讲述达尔文完成著作物种起源的故事，引导学生体会探索的艰辛，学习科学家的不畏艰难、大胆质疑、勇敢探究的科学精神和创新精神。单元目标学生能够围绕本单元的主题
2、语境内容，基于本单元提供的多模态语篇，综合运用各种语言技能，掌握本单元有关动植物及生物进化的词汇及表达，听懂与自然界生物多样性相关的话题，恰当使用所学词汇与表达谈论、阐述相关话题；初步了解中外科学家对大自然的探索，获取世界不同地区的动植物信息，深化对单元主题意义的理解与挖掘；运用单元所学知识，经过比较、分析并联系自身实际，介绍与自然相关的纪录片以及世界著名的自然历史博物馆，积极探索自然，培养不断探究、不断创新的思维意识；在自主、合作、探究式学习的过程中，运用各种策略，结合单元提供的反思性和评价性问题，不断监控、评价、反思和调整自己的学习内容和进程，激发学习兴趣，提升分析问题和解决问题的能力，最
3、终促进自身语言能力、文化意识、思维品质和学习能力的综合提升。Starting out板块教学设计（建议时长1015分钟，教师可根据教学实际酌情调整。）课型Viewing + Speaking主题语境人与自然认识与探索自然内容分析本板块有两个活动，活动一为科学杂志的一页，介绍三种稀有动物，引入单元主题自然。活动二呈现了一段与单元话题自然相关的视频，帮助学生初步了解自然界中种子的传播途径。该板块旨在激活学生已有的关于自然界动植物的背景知识和语言知识，并引入新知，为单元后续话题及学习活动做铺垫和预热。教学目标在本板块学习结束时，学生能够：1. 了解三种稀有动物的基本信息，指导学生掌握关于动物的相关词
4、汇，引入主题的同时为进一步阅读、表达作词汇铺垫；2. 激活已有的语言、背景知识，激发对话题的兴趣；3. 谈论动植物相关的知识，初步探索自然。教学重点引导学生初步了解关于动物的相关词汇，并联系生活实际与自身经历，激发对话题的兴趣，从而为整个单元的活动做铺垫和预热。教学难点谈论动植物相关的知识、用新学的和积累的词汇对动物进行介绍。教学策略视听教学法、交际教学法Teaching contentsProceduresPurposes Teachers activityStudents activityActivity 11. Teacher divides the students into grou
5、ps before class and asks them to collect words about wildlife and information of their favourite animals.2. Teacher asks students to introduce their favourite animals.3. Teacher asks students to scan the magazine page and discuss Question1 in groups.4. Teacher asks some pairs to share their answers
6、in front of the class and other students make supplements or free discussion.5. Teacher asks students to read the page carefully to refine relevant animal vocabulary and discuss and answer Question 2. 6. Teacher asks students to report their outcome of the discussion, and introduce similar animals b
7、y using the new vocabulary.1. Students collect words about wildlife and information of their favourite animals.2. Students introduce their favourite animals.3. Students scan the magazine page and discuss Question 1 in groups.4. Students share their answers in front of the class and other students ma
8、ke supplements or free discussion.5. Students read the page carefully to refine relevant animal vocabulary and discuss and answer Question 2.6. Students report their outcome of the discussion, and introduce similar animals by using the new vocabulary.To arouse students interest in the three animals
9、and draw their attention to the theme of this unit Revealing nature.Activity 21. Teacher plays the video and asks students to watch the video and answer how seeds travel.2. Teacher plays the video again and helps students to refine relevant information.3. Teacher asks students to answer how seeds tr
10、avelling benefit plants.4. Teacher asks students to think about another example of seeds travelling and answer the question.1. Students watch the video and answer how seeds travel.2. Students watch the video and complete the information.3. Students share the information in groups and answer how seed
11、s travelling benefit plants. 4. Students think about another example of seeds travelling and answer the question.To make students realize ways of seeds travelling. Understanding ideas板块教学设计（建议时长3035分钟，教师可根据教学实际酌情调整。）课型Reading主题语境人与自然认识与探索自然内容分析该板块为本单元主体课文，体裁为记叙文，文章以时间及行程路线为线索，介绍了著名的生物科学家达尔文著名的发现之旅，此
12、次旅行，达尔文做了大量考察研究并获取了许多关于生物进化的信息及发现，并基于此次之旅，发表了后期改变世界的著名的物种起源一书。读前的导入活动旨在帮助学生激活关于生物进化的相关知识及储备相应的词汇，为课文介绍达尔文及其重要发现进行学习铺垫。读中活动引导学生通过文本解读更深入地解读文章标题，理解文章内容。读后活动包括判断主旨大意、理解文章结构和细节和开放性问答等活动，引导学生进一步理解、赏析文本，体会达尔文具有重大历史意义的发现之旅，进一步探究主题意义，感受达尔文探索科学、追求真理之路的艰难与险阻，同时，也激励学生以其为榜样，学习他不畏困难，大胆质疑，勇于探索的科学精神与创新精神。教学目标在本板块学
13、习结束时，学生能够：1. 熟悉话题语境，获取文章的主旨大意；2. 感知叙述类文本语篇结构及语言特点，并按照事情发展顺序梳理达尔文关于生物进化的发现之旅； 3. 在语篇中学习和掌握与话题相关词汇并能运用所学词汇进行交流；4. 从达尔文的故事中体会探索的艰辛，学习科学家的不畏艰难、大胆质疑、勇敢探究的科学精神和创新精神；汲取积极的科研态度，指导实际学习生活。教学重点1. 引导学生读懂语篇，理解作者的写作意图，并了解尔文关于生物进 化的发现之旅；2. 引导学生了解叙述类文本语篇结构及语言特点。教学难点1. 引导学生把握动名词与动词不定式做宾语用法并运用其进行表达；2. 引导学生深度思考探索的艰辛，学
14、习科学家的不畏艰难、大胆质疑、勇敢探究的科学精神和创新精神。教学策略P-W-P模式Teaching contentsProceduresPurposes Teachers activityStudents activityActivity 11. Teacher guides students to brainstorm the words about plants and animals. Teacher collects answers and presents them on the blackboard.2. Teacher guides students to look at the
15、 pictures and answer Question 1, reviewing old words and learning new words.3. Teacher asks students to discuss in groups and answer Question 2.1. Students brainstorm the words about plants and animals.2. Students observe the pictures and answer Question 1, reviewing old words and learning new words
16、.3. Students discuss in groups and answer the question.1. To understand the pictures and lead in the topic.2. To review old words and learn new words.Activity 21. Teacher asks students to read the passage quickly and predict the content, referring to pictures and topic.2. Teacher asks students to di
17、scuss the topic in groups.3. Teacher asks students to check answers in groups and share effective ways of reading.1. Students read the passage quickly and predict the content.2. Students discuss in groups.3. Students check answers in groups and share effective ways of reading.To get the main idea of
18、 the passage. Activity 31. Teacher asks students to read the passage individually and choose the main idea of the passage.2. Teacher invites some students to share their answers with the class.1. Students read the passage individually and choose the main idea of the passage.2. Some students share th
19、eir answers with the class and give the reason.1. To train students ability to summarize.2. To help students understand the structure of the passage, thus preparing for Activity 4.Activity 41. Teacher guides students to pay attention to the title of the puzzle pieces and try to understand the intent
20、ion.2. Teacher asks students to put the puzzle pieces in right order. 3. Teacher asks students to read the passage carefully and complete the detailed information. 4. Teacher checks the answers with the class.5. Teacher asks the students to retell the passage according to time.1. Students try to und
21、erstand the intention.2. Students put the puzzle pieces in right order. 3. Students read the passage carefully and complete the detailed information. 4. Students check the answers with the teacher.5. Students retell the passage according to time.To examine how much the students have grasped the deta
22、iled information, and cultivate students analyzing abilities. Think & Share1. Teacher asks students to discuss and answer the questions in groups.2. Teacher asks individual students to answer the questions.Teacher comments and lead students to think about Darwins scientific spirit.1. Students discus
23、s and answer the questions in groups.2. Students answer and talk about how to study and inherit the spirit.To deepen understanding the passage and raise their awareness of getting along well with nature. Using language板块教学设计（建议时长8090分钟，教师可根据教学实际酌情调整。）课型Reading + Listening + Speaking主题语境人与自然认识与探索自然内容
24、分析本板块围绕单元“人与自然”的话题，通过多模态的形式，引领学生通过语篇、听说训练，学习单元语法、相关词汇，帮助学生从不同视角开阔视野，提升语言学习能力，巩固单元话题，进一步理解单元主题。这部分是单元话题下的词汇和听说结合的综合活动，帮助学生深度聚焦语言的意义和功能，进行真实语境下思考和交际运用，全方位提升综合语言运用水平。语法部分通过文本的语句，帮助学生总结归纳“动词的时态和语态之过去完成时”的用法并通过对袁隆平、孟德尔实验以及对龟的介绍，巩固语法及词汇知识。此外，通过听说材料介绍细胞、细菌、及地球上的一些独特物种，如：蓝鲸、 水熊、Galapagos岛的大龟、 Isabela岛上的红树林、
25、San Cristobal上的美洲蜥蜴以及中国境内的东北虎、水杉、牦牛、胡杨树、孔雀等，帮助学生进一步了解自然界中生物的多样性，激发学生了解神奇自然，走进自然的兴趣，从而能够理解人与自热的和谐关系。教学目标在本板块学习结束时，学生能够：1. 发现并掌握“过去完成时”的概念、特点及用法，并能够在真实语境中灵活运用；2. 在关于生物多样性的语篇中完成词汇学习并进一步了解自然界中生物的多样性； 3. 听懂与生物多样性、自然界相关话题，并能够恰当地运用功能表达询问信息、补充信息 ; 4. 通过运用不同的查找信息的方法了解更多关于生物多样性的相关知识，并思考这些方法的有效性，提高信息搜索能力。 教学重点
26、1. 引导学生进一步了解并掌握“过去完成时”的概念、特点及用法；2. 引导学生学会简单表达询问信息、补充信息。教学难点1. 引导学生掌握“过去完成时”的用法；2. 引导学生思考生物多样性的相关知识，并提高信息搜索能力。教学策略任务型教学法、发现教学法、交际教学法、听说教学法Teaching contentsProceduresPurposes Teachers activityStudents activityActivity 11. Teacher asks students to find sentences a and b in the passage and pay attention
27、 to the words in bold. Then ask students to answer Questions 12.2. Teacher asks students to look for more sentences with the similar structures in the reading passage, and helps students to summarise the functions and usage of the past perfect.3. Teacher encourages students to use the grammar in gro
28、ups and present in class.1. Students find the two sentences in the first box and answer Questions 12. 2. Students look for more sentences with the similar structures in the reading passage, and answer what the structure had done indicate.3. Students use the grammar in groups and present in class.1.
29、To encourage students to discover the grammar usage by themselves.2. To further enhance students understanding the functions and usage of the past perfect.Activity 21. Teacher asks students to read the instructions, sentences and paragraphs to get the main aim and idea.2. Teacher guides the students
30、 to pay attention to the orders and complete Activity 2.3. Teacher asks some individuals to share their answers in front of the class and teacher checks the answers with the students.1. Students read and get the main aim and idea.2. Students pay attention to the orders and complete Activity 2.3. Stu
31、dents check the answers with the teacher.To get students to practise use of tenses.Activity 3-41. Teacher asks students to read the passage and get its main idea and complete the entry with the correct form of the words.2. Teacher asks individual students to share their answers and the class discuss
32、.3. Teacher asks students to discuss why Lonesome George disappeared. 4. Teacher asks some students to act out a role-play in pairs using the information in Activity 3. One will play the keeper of Lonesome George, and the other will play the reporter asking about George. 1. Students get the main ide
33、a and complete the entry with the correct form of the words.2. Students share their answers and the class discuss.3. Students discuss why Lonesome George disappeared.4. Students work in pairs to act out. Use the past perfect tense where appropriate.To help students consolidate the application of pas
34、t perfect in authentic context.Activity 5-71. Teacher asks students to review and learn new relevant vocabulary by creating authentic context and and prepare for the following listening practice.2. Teacher guides students to read the 5 sentences in Activity 5 and helps them understand their meanings
35、, to prepare for the listening part.3. Teacher plays the audio and asks students to listen and finish the task in Activity 5. Discuss and check the answers in groups.4. Teacher asks students to listen again and get specific information to finish Activity 6. Ask the students to discuss knowledge on c
36、ell and bacterium in groups and share in class.5. Teacher asks students to discuss relevant sentence structures in Activity 7 and pay attention to the pragmatic function. 6. Teacher asks students to make dialogues by using the sentence structures. 1. Students review and learn new relevant vocabulary
37、 by creating authentic context and and prepare for the following listening practice.2. Students read the 5 sentences and try to understand the meanings to prepare for the listening part.3. Students listen and finish the task.Discuss and check the answers .4. Students listen again and get specific in
38、formation to finish Activity 6. Discuss knowledge on cell and bacterium in groups and share in class.5. Students discuss relevant sentence structures in Activity 7 and pay attention to the pragmatic function.6. Students make dialogues by using the sentence structures.To train students to grasp key i
39、nformation of the listening materials, and make key notes while listening.Activity 81. Teacher asks students to look at the pictures and video.2. Teacher asks students to read the materials on Page 54 respectively and answer Question 1 and 2.3. Teacher checks the answers with the students.1. Student
40、s look at the pictures and video.2. Students read the materials on Page 54 respectively and answer Question 1 and 2.3. Students check the answers with the teacher.1. To arouse their interest in reading.2. To help students know more species to enlarge their knowledge about biodiversity3. To help stud
41、ents improve their ability of getting information. Activity 9 1. Teacher guides students to review the passage to consolidate. 2. Teacher asks students to discuss the vocabulary in Activity 9 in groups.3. Teacher asks students to read the paragraphs on Page 55 respectively and complete the task.4. T
42、eacher asks some individuals to share their answers with the class. 1. Students review the passage to consolidate.2. Students discuss the vocabulary in Activity 9.3. Students read the paragraphs on Page 55 respectively and complete the task.4. The representative of each group presents their view. 1.
43、 To consolidate vocabulary and knowledge to lead in “the Galapagos Islands”.2. To help students deeply understand biodiversity. Activity 101. Teacher asks students to look at the pictures of the species native to different regions of China. Talk about biodiversity in China using the words and expres
44、sions in Activity 5 and 9.2. Teacher divides students into pairs and asks them to choose one species they are interested in and collect information, study and discuss its evolution and present situation according to the pictures. 3. Teacher asks students to discuss in groups and add more information
45、 from other groups.4. Teacher asks students to discuss using sentence structures in Activity 7 and vocabulary in Activity 8 and 9. 5. Teacher asks students to share what they discussed in groups and report their data, and other groups make supplements and comment. 6. Teacher arrange homework: To int
46、roduce species in their home town.1. Students look at the pictures, talking about biodiversity in China.2. Students choose one species and collect information, study and discuss its evolution and present situation according to the pictures. 3. Students discuss in groups and add more information from
47、 other groups.4. Students discuss using sentence structures in Activity 7 and vocabulary in Activity 8 and 9. 5. Students share what they discussed in groups and report their data, and other groups make supplements and comment. 6. Students finish the homework.1. To help students understand the biodi
48、versity in China.2. To strengthen students ability of using theme-related language to express views.3. To consolidate and use what they have learned.Developing ideas板块教学设计（建议时长8090分钟，教师可根据教学实际酌情调整。）课型Reading + Writing主题语境人与自然认识与探索自然内容分析本板块呈现了从另一角度反映单元主题的课文，语篇类型为描述性说明文，以植物界语言的奥秘为题，具体介绍了自然界中不同植物之间不同的交流方式，从而使学生通过了解神奇