第三课时 Grammar Focus(3a～3c)
教学内容
1．Talk about superlatives with －(i)est，most.
2．Use superlatives to describe more than two objects.
教学目标
Language Abilities ●Grasp the following important points as well as be able to read and write correctly. ●Key words and phrases：ginkgo tree，butterfly，heaviest，plant，the most useful plant，rose，peony ●Key sentences：①The biggest land animal in the world is the African elephant. ②The cheetah runs the fastest among all land animals. ③The blue whale is the largest and heaviest animal in the world. ④Which do you think is the most beautiful，the rose，the peony，or the lotus flower？
Learning Abilities ●Learn to master the formation rules of the superlatives of adjectives and adverbs. ●Learn to select appropriate superlative forms according to the characteristics of different objects for accurate expression.
Thinking Qualities ●Be able to compare and analyze the characteristics of these objects and find out the most prominent features，when using superlatives to describe multiple objects. ●Be able to think about how to use the most appropriate words and sentences to convey accurate information，avoiding ambiguity.
Cultural Awareness ●Use superlatives to describe the characteristic things in their own culture and spread their own culture to people from other cultural backgrounds. ●Understand how people in different cultures use superlatives to express emotions and attitudes such as praise and emphasis.
重难点
重点：
1．Students are able to master the basic formation rules and usages of the superlative forms.
2．Students are able to understand the pronunciation rules of the changed forms of adjectives in the superlative degree and pronounce them correctly.
3．Students are able to accumulate a large number of adjectives and adverbs that can be used in superlative descriptions，so as to accurately describe the characteristics of different objects.
难点：
1．Students are able to memorize these special forms separately，and especially the superlative forms of some adjectives are irregular.
2．Students are able to accurately determine whether to use the superlative degree and which form of the superlative degree to use.
教学过程
Step 1 Review & Lead－in
1．Ask students to do a simple questionnaire in groups，discussing about certain aspects，such as age or the intensity of their hobbies.Instruct them to use superlative forms to record the results.
2．Ask students to report their findings in class to introduce the learning of comparative and superlative adjectives.
A Survey
Who is the oldest？
Who is the tallest？
Who studies the hardest among all subjects？
Who likes sports the most？
Who likes reading the most？
Who spends the least time on homework？
Who likes English the most？
【设计意图】通过问卷调查导入新课，为接下来的语法学习做铺垫，同时学生能够复习已学的知识。
Step 2 Grammar(3a)
Work on 3a
1．Ask students to read the sentences and notice the superlatives in bold.Think about the question：what are the ways to form a superlative adjective or an adverb
2．Ask students to observe the words in bold and find out the change forms of the superlative degree of adjectives through these words and when to use superlatives (group work)．
3．The teacher offers more language usages which are not mentioned in the book.
(When students share the answers，the teacher writes key points on the blackboard.If necessary，correct their mistakes at the same time.)
【设计意图】通过小组合作观察和总结语言现象，激发学生的自主学习能力。
Step 3 Practice(3b～3c)
Work on 3b
1．Show students pictures about the panda，the rose，the peony，the lotus flower，the butterfly，the tree frog and the elephant bird，and ask them to share the information about these animals or plants.
2．The teacher supplies more information about these animals or plants.
3．Ask students to complete the sentences with the superlative forms of the words in brackets.
Work on 3c
1．The teacher shows two videos about the introduction of ginkgo trees and asks students some facts about the plant according to the videos.
T：Here are two videos about ginkgo trees.Watch the videos and tell me what you learn from them.
2．Ask students to complete the passage with the superlative forms of the words in the box.
T：Here are some facts about ginkgo trees.Let's read them and fill in the blanks with correct forms of the words.
3．Ask students to share the answers and help to correct the pronunciations of superlative words.
【设计意图】通过做练习和对话，学生能够在真实的情境中充分理解和掌握目标语法。
Step 4 Speaking
1．The teacher writes the notes in advance (including some facts about a certain animal or a plant)，and puts them into a carton or an envelope.
2．Ask group leaders to draw an animal or a plant，introduce facts about them，and write an award speech for the animal or plant using the superlative degree.Each group sends a representative to present in the form of a dialogue.For example，A states characteristic 1，and B states characteristic 2.
3．The teacher comments on the accuracy and creativity of the sentences and summarizes the comparison skills.
【设计意图】通过对目标语言进行口头训练，学生能够培养并提升自己的语言交际能力。
Step 5 Summary
Ask students to do exercises about superlative forms of adjectives or adverbs.
Step 6 Homework
1．Do the exercises in students' workbooks.
2．Extended：Choose your favourite animal or plant and write 3 to 5 sentences using superlatives.
板书设计
Unit 4 Amazing Plants and Animals 第三课时 Grammar Focus(3a～3c) 规则变化构成方式原级比较级最高级单音节词 和少数多 音节词一般在词尾加-er或-estcoldcoldercoldestfastfasterfastest以字母e结尾的形容词，加-r或-stnicenicernicestlargelargerlargest重读闭音节词尾只有一个辅音字母时，应先双写该辅音字母，再加-er或-estbigbiggerbiggesthothotterhottest以“辅音字母＋y”结尾的双音节词，先改“y”为“i”，再加-er或-esteasyeasiereasiestearlyearlierearliest多音节词 和部分双 音节词在词前加more或mosttiredmore tiredmost tiredeasilymore easilymost easily
教学反思第四课时 Section B(1a～2d)
1．Introduce interesting facts about bees and their importance to our planet.
2．Talk about the connection between humans and other insects.
Language Abilities ●Grasp the following important points as well as be able to read and write correctly. ●Key words and phrases：honey，disappointed，connected，one of the best examples，connection，pollination，fly from one flower to another，take pollen，for this reason，store honey，create honeycombs，protect one of the most amazing animals，on earth ●Key sentences：①Bees are also one of the most interesting animals in the world. ②Another interesting thing about bees is how they communicate. ③It uses a dance to tell the others where and how far away the food is. ④Bees play an important part in the ecosystem of our planet. ⑤The number of bees is dropping.
Learning Abilities ●Learn to collect information about bees and the relationship between humans and other insects through the passage and the materials given by teachers. ●Learn to understand the importance of bees to our planet and the complex relationship between humans and other insects which requires students to apply knowledge from biology，ecology，and other fields to specific situations.
Thinking Qualities ●Be able to think critically about the information they obtain，analyze different viewpoints and research results，and distinguish the authenticity and reliability of information. ●Be able to think about the importance of bees to our planet and the relationship between humans and other insects which requires students to consider the interactions and dependencies among various elements in the ecosystem from a systematic perspective.
Cultural Awareness ● Understanding the importance of bees to our planet helps students establish the awareness of respecting nature and protecting the ecological environment. ●Absorb scientific knowledge and develop the awareness of disseminating science and culture.
重点：
1．Students are able to use mind maps to sort out the facts about bees.
2．Students are able to use the key sentence structure to tell the key role of bees in the ecosystem，like pollinators，etc.
3．Students are able to collect the opinions of different people on this topic.
难点：
Students are able to use their own words to analyze the negative impacts of human activities on insect populations and the ecological environment，which needs to search AI ahead.
Step 1 Pre－reading(1a)
Conduct a knowledge quiz competition to test students' knowledge about bees.
T：Guys，what do you know about bees If you answer the question correctly，you continue the game.If you are wrong，sit down and watch.Let's see who is the bee master.Everyone stands up!
Work on 1a
Ask students to look at the title and the pictures below，and guess what the text is about.
【设计意图】通过知识竞赛的形式，调动学生的学习积极性，并提前输入关于蜜蜂的知识。
Step 2 Reading(1b～1d)
Work on 1b
1．Ask students to read the text and underline the adjectives the writer uses to describe bees.
2．Check the answers in class and ask students to translate the meaning of each sentence.
Work on 1c
1．Ask students to read the passage in groups and complete the mind map.
T：What does the passage say about bees Read in groups and fill in the mind map.
2．Ask students to share the answers and the teacher helps to correct their mistakes if necessary.
Work on 1d
1．Ask students to read the passage again and discuss the questions in groups.
T：Now let's come to know more about them.Read the passage in groups and discuss these questions.
2．Ask students to underline some key phrases and sentences according to the Chinese meaning on the PPT.
【设计意图】通过完成阅读任务，学生能够充分地理解文本并提高抓取关键信息的能力。
Step 3 After－reading(1e～1f)
(Students collect relevant facts about bees in advance.)
1．Ask students to organize the materials into the form of news scripts and take turns to act as “news anchors” and broadcast interesting facts about bees in English.
2．After each broadcast，other students can ask questions or add additional knowledge.The teacher will comment on the accuracy of the content and the fluency of English expression in each news broadcast，and select the “Best News Anchor”．
Work on 1e
Ask students to write one more paragraph about bees.
T：Imagine you are the writer，write one more paragraph to introduce other facts about bees and add it to the text.
Work on 1f
Ask students to have a deep thinking about the question：How do you understand the connection between people，plants，and animals
T：Why are the animals so important to humans What are the connections between people，plants，and animals Think of some examples and then share them with a partner.
【设计意图】通过提前搜集信息，培养学生的自学能力，扩宽学生的知识体系。
Step 4 Practice(2a～2d)
Work on 2a
Ask students to circle the odd words and give their reasons.
T：Look at the words.What word is different from others Find the odd words according to the categories.
Work on 2b
1．Ask students to add the endings －ance，－(t)ion，－ness，and －ity to form nouns.
T：What are the noun forms of the following words？Use your dictionary to find them out.
2．Ask students to summarize the rules of different endings of noun forms.
【设计意图】通过词汇训练练习本单元所学的目标语言，让学生对词性有进一步认识。
Work on 2c
Ask students to complete the sentences with the correct forms of the words in the box.
Work on 2d
1．The teacher shows a short video of frogs and asks students to tell what they know about frogs.
2．Ask students to complete the sentences with the correct forms of the words in the box.
Step 5 Summary
Ask students to make a poster to introduce bees.
Step 6 Homework
1．Recite the passage and do related exercises.
2．Extended：Write down within 10 sentences about your opinion about the topic：What are the connections between humans and other insects
Unit 4 Amazing Plants and Animals 第四课时 Section B(1a～2d)第五课时 Section B(3a～4d)
1．Learn about some facts about the blue whale.
2．Make a poster to introduce a plant or an animal.
Language Abilities ●Grasp the following important points as well as be able to read and write correctly. ●Key words and phrases：weigh，protect，play an important role in，live in all oceans，except，the tiniest animals，live up to 90 years，at sea，create a lively and healthy ecosystem ●Key sentences：①It can weigh as much as 200 tons.②It is one of the most beautiful things to see.③This food lasts for over a year.
Learning Abilities ●Learn to collect information from various sources such as books，the Internet，and documentaries，and then screen out the key content and organize it into structured knowledge. ●Learn to integrate the scattered information they have collected about the blue whale or other plants and animals to form a comprehensive understanding of them.
Thinking Qualities ●Be able to think critically about the source and accuracy of the information and learn not to blindly accept all of it，when collecting and learning information about the blue whale and other plants and animals. ●Be able to consider multiple aspects when learning about the relevant knowledge of the blue whale and introducing a plant or an animal.
Cultural Awareness ●Deeply understand the importance of biodiversity and the unique value of each organism in the ecosystem. ●Promote the popularization of scientific culture，and enhance students' sense of social responsibility.
重点：
1．Students are able to comprehensively understand the biological characteristics of the blue whale when learning facts about the blue whale.
2．Students are able to present the information about the plant or animal in an attractive and easy－to－understand way when making a poster.
难点：
1．Students are able to have certain analysis and synthesis abilities to deeply explore some complex behaviours and ecological roles of the blue whale.
2．Students are able to consult professional materials or conduct on－site observations about a certain animal or plant，which has high requirements for students' autonomous learning and research abilities.
Step 1 Review
1．Play a video to introduce blue whales.
2．Ask students to introduce what they know about blue whales.
【设计意图】通过观看视频并介绍蓝鲸的事实，吸引学生注意力，引入新课。
Step 2 Presentation(3a～3c)
Work on 3a
Ask students to read the text and complete the table about the blue whale.
Work on 3b
Ask students to use the first person to rewrite the first paragraph.
T：Imagine you are a blue whale，introduce yourself with the first person.
Work on 3c
1．Ask students to write a passage on blue whales.
2．The teacher sets more information and scenarios of blue whales( feeding in the deep sea，migrating，and communicating with companions) and prepares relevant props，such as simple blue whale headgear and ocean background pictures，asks students to choose a scenario for role－playing，and to write dialogues that include the living habits and characteristics of blue whales.
3．After the performance，other groups evaluate the accuracy of the content and the English expression.Finally，the teacher summarizes and supplements important knowledge and expression methods.
4．Ask students to complete their passage about the blue whale based on the text in 3a and the information they have learnt just now.
【设计意图】通过介绍蓝鲸，学生能够对目标语言进行充分的练习并巩固所学知识，为学习下文内容做铺垫。
Step 3 Guidance on writing methods
【典型例题】2025年3月3日是联合国第十二个“世界野生动植物日”，保护濒危动物，人人有责。你校的英文广播站正在征集主题为“Save the Whales” 的演讲稿。请你根据以下内容要点，写一篇英文演讲稿。
1．介绍鲸鱼的外貌、栖息地、食物等；
2．濒临灭绝的原因；
3．列举两条保护措施；
4．呼吁大家保护鲸鱼。
注意：
1．包含所有要点，不必逐句翻译，可适当发挥；
2．书写规范、工整，条理清晰；
3．80词左右，文章开头已给出，不计入总词数。
◆◆思路点拨
写作注意事项：
(1)本文应用一般现在时多角度描述鲸鱼；
(2)正确使用不同的动词短语阐述保护动物的做法。
◆◆范文欣赏
Dear__students，
There__are__many__endangered__animals__in__the__world.Whales are also in great danger.They live in the sea and they eat small fish and other sea life since they are one of the biggest animals in the sea.However，there are fewer and fewer whales because humans kill whales for meat.Some whales die because of water pollution.To save the whales，on the one hand，we should make rules on whale protection and everyone should follow them.On the other hand，we should stop putting rubbish into the sea.
Let's work together to save the whales and make a difference to the world.
【设计意图】通过一篇典型例题的讲解，以思维导图的形式让学生了解如何谋篇布局来完成一篇写作。
Step 4 Project(4a～4d)
Work on 4a
Ask students to work in groups and choose or create the title of the poster they are going to make.
Work on 4b
Ask students to prepare a photo of an animal or a plant and collect the information they have prepared in groups.
T：Please introduce the animal or plant according to the questions.
(The teacher gives an example first.)
Work on 4c
Ask students to create the posters in groups.
(The teacher walks around and provides guidance，encouraging students to think comprehensively and describe their animals or plants in different aspects.)
Work on 4d
Ask students to present their posters in class.Then vote for the best one.
【设计意图】通过图片、海报等形式介绍动物或植物，学生能够充分掌握本单元的目标语言，同时深入了解某个动物或植物。
Step 5 Summary
Ask students to summarize the key sentence patterns of introducing animals or plants.
Step 6 Homework
1．Write an essay to share your ideas about animals or plants.
2．Do the exercises in students' workbooks.
Unit 4 Amazing Plants and Animals 第五课时 Section B(3a～4d)第二课时 Section A(2a～2e)
教学内容
1．Introduce bamboo(characteristics，function，etc)．
2．Talk about the importance of bamboo.
教学目标
Language Abilities ●Grasp the following important points as well as be able to read and write correctly. ●Key phrases：bamboo shoots，a folding fan，a painting of bamboo，a symbol of goodness，the largest and oldest bamboo forest ●Key sentences：①Bamboo is one of the most popular subjects in Chinese paintings. ②Bamboo is one of the fastest－growing plants. ③Some bamboo can grow almost one metre in one day. ④It's one of the most useful plants in the world. ⑤People can use it to build houses and make tools and instruments.
Learning Abilities ●Learn to obtain information about the characteristics，functions，and importance of bamboo. ●Learn to express the acquired information accurately and fluently in English，including correctly using vocabulary，grammar，and sentence patterns to describe the various characteristics and importance of bamboo.
Thinking Qualities ●Be able to carefully observe aspects such as the shape，colour，and growth environment of bamboo，and analyze and summarize them when introducing the characteristics of bamboo. ●Be able to use logical thinking to organize their language in an orderly manner and systematically analyze and expound on the importance of bamboo in multiple aspects.
Cultural Awareness ●Recognizing the important role of bamboo in the ecological environment helps students establish ecological protection awareness and the concept of sustainable development. ● Understand the status and role of bamboo in different countries and cultures.
重难点
重点：
1．Students are able to use accurate and appropriate English vocabulary and sentence patterns to describe the characteristics and functions of bamboo.
2．Students are able to understand the basic usage of superlatives in sentences.
难点：
1．Students are able to have an in－depth understanding of these cultural elements and be able to accurately convey them in English.
2．Students are able to correctly use relatively unfamiliar professional vocabulary and terms to describe bamboo.
教学过程
Step 1 Lead－in
The teacher shows two students some clue cards of animals and plants.The clues can be described from different aspects.One student draws a clue card and the other describes the animal or plant on the card to their partner in English.The other students guess the answer according to the description.
S1：It has long ears and a short tail.
S2：It lives in the sea and can swim very fast.
Others：…
【设计意图】通过猜谜的游戏，能够让学生复习所学知识并有效地引入主题。
Step 2 Listening & Speaking(2a～2b)
The teacher shows a picture of bamboo and asks students to share what they know about bamboo.
Work on 2a
1．Ask students to listen to the conversation and fill in the blanks.
T：Cheng Jie has a folding fan and Ella is very interested in it.Now let's listen to their conversation and fill in the blanks.
2．Ask students to share the answers and the teacher helps to correct their mistakes if necessary.
Work on 2b
1．Ask students to read the conversation again and answer the questions in 2b.
(While reading，the teacher walks around and corrects students' pronunciations.)
T：What is on the folding fan Why does bamboo often appear in Chinese paintings Where is the Bamboo Sea？What do people use bamboo for Let's read the conversation again and find out the answers.
2．Ask students to share the answers and the teacher helps to correct their mistakes if necessary.
【设计意图】通过回答问题，学生能够总结竹子的信息，提升获取关键信息的能力。
Step 3 Consolidation(2c～2d)
Work on 2c
Ask students to complete the mind map according to the information from 2a.
T：Now let's make a summary about bamboo.Fill in the mind map according to the passage.
Work on 2d
1．Ask students to listen to the conversation and role－play it in pairs.
2．Ask students to introduce the bamboo culture in English.(Students use AI tools like Doubao to prepare information about bamboo culture in advance.)
【设计意图】通过分享关于竹子的文化，学生能够对竹子文化有深刻的了解。
Step 4 Practice(2e)
Work on 2e
1．Ask students to make up a conversation about bamboo and its importance in pairs.
T：Imagine you are a tour guide at the Bamboo Sea and your partner is a foreign tourist，introduce bamboo to your partner.You can also introduce the importance and culture meaning to let him know more about bamboo.
2．Choose two or three pairs and ask students to share their conversations.
【设计意图】通过对话练习，学生能够强化对文本的目标语言和语法的运用。
Step 5 Summary
Ask students to draw a mind map to summarize bamboo(characteristics，meaning，culture，etc)．
【设计意图】通过思维导图的方式总结所学的知识点，学生能够明确本节课所学的重难点知识。
Step 6 Homework
1．Do the exercises in students' workbooks.
2．Optional：ask students to find more expressions related to bamboo.
板书设计
Unit 4 Amazing Plants and Animals 第二课时 Section A(2a～2e)
教学反思第一课时 Section A(1a～1d)&Pronunciation
教学内容
1．Introduce mosses，blue whales，redwood trees and cheetahs.
2．Use superlatives to describe mosses，blue whales，redwood trees and cheetahs.
3．Talk about the pronunciation of the vowel letters “a，i”，semi－vowel letter “y” and their combinations “ai，ay，igh，oy，oi”，the pronunciation of consonant combinations “bl，cl，gl，br，cr，gr”；feel the influence of stressed words on the meaning of sentences.
教学目标
Language Abilities ●Grasp the following important points as well as be able to read and write correctly. ●Key words and phrases：beautiful，fast，heavy，large，small，tall，several times ●Key sentences：①—What is the largest animal in the world？—It's the blue whale.It is also the heaviest animal on earth.②—Which animal runs the fastest —The cheetah runs the fastest.③—What is the oldest plant in the world？—The moss is one of the oldest plants.④Which kind of tree is the tallest in the world —The redwood tree. ⑤It is also the most beautiful animal in the world.
Learning Abilities ●Learn to collect information about mosses，blue whales，redwood trees and cheetahs，and organize the information，and extract key points for accurate introduction and description. ●Learn to integrate new knowledge into the existing knowledge system to improve the comprehensive application ability of knowledge. ●Learn to acquire the pronunciation knowledge of the vowel letters “a，i”，semi－vowel letter “y” and their combinations “ai，ay，igh，oy，oi”，the pronunciation of consonant combinations “bl，cl，gl，br，cr，gr”，enhancing the accuracy and fluency of language use.
Thinking Qualities ●Be able to carefully observe their characteristics and analyze the differences between plants and animals. ●Be able to compare the characteristics of different organisms and summarize their extreme features in a certain aspect.
Cultural Awareness ●Understanding mosses，blue whales，redwood trees and cheetahs is an awareness and respect for the diversity of the natural world. ●Broaden their horizons and enrich their cultural connotations from the descriptions and cognitions of these organisms in different cultures.
重难点
重点：
1．Students are able to master the basic English vocabulary related to mosses，blue whales，redwood trees and cheetahs，including their names，physical characteristics，living habits and other relevant vocabulary.
2．Students are able to use correct English sentence patterns and grammatical structures to introduce these organisms，and to accurately use some professional or relatively unfamiliar vocabulary to precisely describe the unique features of these organisms.
3．Students are able to master the basic structures and usages of superlatives proficiently，including the changing rules of superlative forms of adjectives and adverbs.
4．Students are able to master the common pronunciation rules of the vowel letters “a，i”，semi－vowel letter “y” and their combinations “ai，ay，igh，oy，oi”，the pronunciation of consonant combinations “bl，cl，gl，br，cr，gr”．Through practical exercises with words and sentences，students are able to pronounce accurately and experience the influence of stressed syllables on the meaning of words and sentences.
难点：
1．Students can accurately understand and use the collocation of the definite article “the” with the superlative degree.Some students may omit the word “the”，or wrongly use the superlative degree in places where it is not necessary.
2．Students are able to learn to modify the superlative degree with rich language to make the descriptions more vivid.
教学过程
Step 1 Lead－in(1a)
The teacher shows some of pictures of different animals and asks students to describe the animals in the photos.
T：Look at the picture.What is it
S1：It is a cheetah.
T：What do you think of it
S2：It is beautiful.
【设计意图】通过动物图片的描述导入新课，激发学生的学习兴趣，同时帮助学生认识目标语言。
Work on 1a
1．Ask students to look at the plants and animals，then use the words in the box to talk about them.
T：Look at pictures.What are they What do they look like What can they do
2．The teacher shows some videos to show detailed introduction of mosses，redwood trees，blue whales and cheetahs.
Step 2 Listening & Speaking(1b～1d)
Work on 1b
1．Ask students to listen to the conversations and number the plants and animals in 1a in the order they hear them.
T：Yaming is starting a test on animals and plants.What are the questions about Let's listen and number the plants and animals.
2．Ask students to share their answers and help to correct pronunciation if necessary.
Work on 1c
1．Ask students to listen again，match the words with the plants and animals in 1a.
T：Which animal or plant are these adjectives about Look and match the words with the four pictures.
2．The teacher asks students to share their answers and helps to correct their mistakes if necessary.
3．The teacher asks students to work in groups to translate the meaning of the words and tell what －(i)est means in these words.
(The teacher writes key points on the blackboard when students are sharing.)
Work on 1d
1．Ask students to do Q&A about the plants and animals in 1a with the sentence patterns in 1d.
2．Choose two or three pairs of students to share their conversations.
3．Ask students to have a knowledge challenge.
T：Here are a lot of questions about different animals and plants.How much do you know about them Let's see who is Mr Know－it－all.If your group can answer it correctly，you get one point，or you will lose one point.
Q1：What is called the ship of the desert
Q2：…
(The question types include multiple－choice questions，true or false questions，and short－answer questions.Each group answers the questions through a buzzer system.)
【设计意图】通过问题抢答的形式，学生能够熟练运用目标句型。
Step 3 Pronunciation & Speaking(1～2)
1．The teacher shows some words and asks students to put the words in different categories according to the underlined letters' pronunciations.
2．Ask students to pronounce the words and write down the underlined letters' phonetic symbols.
Work on 1
1．Ask students to listen to the recording and repeat after the recording.
2．Ask students to add one more word according to the pronunciation in each group.
Work on 2
1．Ask students to listen to the recording and repeat after the recording.Students notice the differences in stress in these sentences.
2．Ask students to imitate the three sentences and others guess the meaning of the sentences one by one.
3．The teacher gives students multiple scenarios (shopping，ordering food at a restaurant，and arguing among friends)．Students are divided into groups and choose a scenario and its corresponding script and prepare corresponding dialogue scripts.According to the requirements of the scenario，they change the stress of the sentences to express different meanings and emotions and perform the dialogues.
4．Other groups analyze how the use of stress in the performance affects the meaning of the dialogue.
5．The teacher provides comments and summarizes the key points.
【设计意图】通过跟读音标和对应单词，学生能够正确识读相关音标，掌握发音规律；学生通过小组活动练习并感知重音对语义的影响。
Step 4 Summary
1．Ask students to do the exercises about what they have learned today.
2．Ask students to make a summary about what they have learned today.
【设计意图】通过练习和总结，学生能够明确本节课的重难点知识。
Step 5 Homework
1．Finish the task paper.
2．Extended：Draw a mind map to introduce a plant or an animal.
板书设计
Unit 4 Amazing Plants and Animals 第一课时 Section A(1a～1d)&Pronunciation moss—one of the oldest plants blue whale—the largest animal redwood tree—the tallest tree cheetah—run the fastest；the most beautiful animal
教学反思
