人教新目标九年级英语Unit 13 We're trying to save the earth 教学设计
人教新目标九年级英语Unit 13 We're trying to save the earth 教学设计 Language Goal 【语言目标】 Talk about pollution and environmental protection
Knowledge Goals 【知识目标】
Key Words litter，bottom，fisherman，coal，ugly，advantage，cost，wooden，plastic，cruel，harmful，industry，law，scientific，afford，recycle，gate，bottle，president，work，metal
Key Phrases be harmful to，at the top of，the food chain，take part in，turn off，pay for，take action，throw away，put sth. to good use，pull down，bring back
Key Sentences 1.We are trying to save the earth. 2．The river used to be so clean. 3．The air is badly polluted. 4．To cut down air pollution，we should take the bus or subway instead of driving. 5．No scientific studies have shown that shark fins are good for health. 6．You should take your own bags when you go shopping.
Key Grammar Review present progressive tense，used to，passive voice，present perfect tense and modal verbs.
Ability Goals 【能力目标】
1.Learn the words，phrases and structures to talk about
environmental pollution and protection.Use the grammar and structures correctly.
Moral Goals 【情感目标】
1.With the help of this unit's study，students pay more
attention to environmental protection.Learn how important to keep the balance of nature. Teaching Time 【课时】 Five periods Period 1 Section A(1a－2d) Period 2 Section A(3a－4c) Period 3 Section B(1a－1e) Period 4 Section B(2a－2e) Period 5 Section B(3a－3b) & Self Check
本单元围绕环境保护的话题，并用主题图片表现噪音污染、空气污染、水污染等内容，目的是为了让学生对环境的破坏有一个直观的认识，从而激发学生强烈的社会责任感和对未来发展的思考。Section A的重点是让学生掌握与环境污染和环境保护相关的词汇和句型，同时引导学生关爱动物、保护环境。教学难点是让学生学会正确使用连词和结合生活实际讲述如何保护环境。Section B在Section A所学的基础上，进一步谈论如何保护环境。教学重点是让学生了解环境保护的方式，并落实到积极的行动当中，同时还有阅读策略和写作技巧的训练。教学难点是让学生在阅读2a文章之后，根据所给词根找出衍生出的不同词汇，并理解前缀和后缀的不同用法。 The First Period—Section A(1a－2d)
Teaching Important Points 【教学重点】 Key words & phrases： litter，bottom，fisherman，coal，ugly，advantage，cost，wooden，plastic noise pollution，air pollution，water pollution，be full of，play a part in，turn…into，cut down air pollution Key sentences： 1.Even the bottom of the river was full of rubbish. 2.It used to be so clean. 3.Everyone in this town should play a part in cleaning it up. 4.The air is badly polluted because there are more cars on the road these days. 5.The air has become really polluted around here. 6.We're trying to save the earth. Key structure： should＋do；used to＋do；have/has＋done；be＋done；be＋doing e．g.Everyone should help to clean up the river. The air has become really polluted. I used to be able to see stars in the sky. The air is badly polluted.
Teaching Difficult Points 【教学难点】 ★Practice the structures to talk about pollution and environmental protection.
Teaching Aids 【教学工具】 A tape recorder，CAI or multimedia courseware.
Teaching Steps 【教学过程】 ★Step 1 Leading in 【新课导入】 1．Greeting 2．Discussion and review Discuss with the students，like this： T：What kinds of pollution are there these days? S：… T：What causes the pollution? S：… 3．Review the words and expressions about the topic. ★Step 2 Cooperative inquiry 【合作探究】 1．Finish the task in 1a ①Show pictures or play videos about pollution and talk about the pollution. ②Read these phrases in 1a.Look at the pictures in 1a and say what they see in the pictures.Write down the words and add more words. ③Ask students to say out their words in each kind of pollution. 2．Finish the task in 1b ①Read the instructions.Get the students to read the contents in the chart and think of what they will fill in the blanks. ②Play the recording for the first time.Students listen and fill in the words. ③Play the recording a second time.Ask them to check the answers.Then ask the questions.Students answer with full sentences. ④Ask more questions to help students learn more details.Then play the recording for the students to role－pay the conversation. 3．Finish the task in 1c ①Show the key words of the conversation.Ask students to retell the contents in the chart.Like this： What：dirty；bottom，rubbish；fish Why：littering，putting waste How：write to，close down；help to clean up ②Read aloud the model dialogue in 1c.Then in pairs，do the oral practice with more words. ③Ask two pairs to perform in class. 4．Finish the tasks in 2a－2b ①Use PPT or pictures to show the four kinds of pollution.Get the groups of students to have a competition to say words about the pollution one by one. land pollution：… air pollution：… noise pollution：… water pollution：… ②Get the students to write down these words in their notebooks. ③Play the recording for the first time.Students listen and circle the kinds of pollution.Check answers with the class. ④Read the sentences in 2b.Predict the contents they will fill in.Play the recording.Students listen and complete the sentences. ⑤Play the recording again.Check the answers with the whole class. 5．Finish the task in 2c ①Read the sample conversation in 2c.Then Read the listening materials and discuss in pairs what causes the two kinds of pollution. ②Students work in pairs，making dialogues. ③Ask three pairs to role－play their conversations to the class. 6．Finish the task in 2d ①Talk about the picture in 2d.Ask：What are your ideas for solving the air pollution/waste pollution problem？Present the new words in the conversation.Such as，coal，advantage，wooden，plastic，takeaway，bin，… ②Read the conversation in 2d quickly.Find out the problems about environmental pollution in the dialogue.
Unit 13.We are trying to save the earth!优秀教学设计
五g in【视频导入】教师使用搜索，播放一段关于海牛的视频短片。
【搜索】/jilupian/20101012/n84901.html
【教师活动】1.Ask Ss some questions:Did you go to the zoo? What did you see at the zoo? What animals do you like? Which animal only live inChina?Which animal is the biggest on land? ……
Unit 13We are trying to save theearth！(section A)
教学设计
一、教案背景
1. 面向学生： 九年级
2. 教材：新目标九年级英语（Go For It）
3. 课时：一课时珍稀动物的英文介绍及相关图片等信息。
【设计目的】通过视频短片和询问，导入新课并引出本课课文中的单词进行教授。
Step 2. Presentation
【教师活动】1.Let one student ask the teacher:What animals do you like ?The teacher may answer like this:I like cheetahs. I like them because cheetahs mean that
为使学生更好完成搜集任务, 教师提供一个表格，以便学生在课上进行反馈与交流。
Endangered animals
Feature
Habitat
具有较熟练操作计算机的能力，例如正确浏览网页、保存文件等。
二、教学课题
◆Unit 13Weare trying to save theearth！(section A1a,1b,1c)
Unit 13 We're trying to save the earth优秀教学设计
Unit 13We’re trying to save the earth! Section A 1 (1a-1c)一．教材分析The teaching material is Go For It. The lesson is about Unit 13Secthion A(1a-1c),in this unit ,the language aims are talk about pollution and environmental protection. Everyonge has to work together to reduce every form of pollution.二．学情分析The students in Grade 9 know many words and lots of useful sentences , they are familiar with the teacher’s spoken English ,.It’s very helpful for their study. The topic of this unit is practical , so it is useful for students to raise the learning interests of them.三、教学理念及教学策略选择与设计The main instructional aims of learning English in the Middle School is to cultivate students’ abilities of listening ,speaking , reading, writing and their good sense of the English language. So in this lesson I’ll mainly use “Task –based ” teachingmethod ,“Communicative ” teaching method.四．教学过程Ⅰ. Teaching aims1. language Aim :Words and phrases：litter, bottom, fisherman, coal,be harmful to, at the top(of sth.), take part in, turn off, take action, throwaway, put sth. to good useStructures：We’re trying to save the earth!The river used to be so clean.The air is badly polluted.We should help save the sharks.2. Ability Aim:The students can master present progressive tense , present perfect tense , passive voice , modal verbs and used to3. Emotion Aims :We should start from the small things around us, protect the environment.Ⅱ. Teaching important points（1）To master present progressive tense , present perfect tense , passive voice , modal verbs and used to（2）The measures of protecting the environment methodⅢ.Key pointsTo master present progressive tense , present perfect tense , passive voice , modal verbs and used toⅣ. Teaching toolsPPT CAI some cardsⅤ. Teaching proceduresⅠ.Lead inWatch a video, it’s about the song of Michael Jackson : The earth song ,then have students talk about their feelings after watching the video.Ⅱ. PresentationShow the picture of the earth and tell students the earth is polluted now.For example: (1) The factories that burn coal pollute the air with a lot of black smoke.(2) Factories put waste into the river.(3) People should throw away litter in the bin.(4)There are more cars on the road.3. Add more kinds of pollution.Ⅲ. LearningHere are some words related to different kinds of pollution. Write them in the box below. Then add more words.loud music cars rubbish planes littering ships factories smoking building houses mobile phonesnoise pollution air pollution water pollution____________ ___________ _________________________ ___________ _________________________ ___________ _________________________ ___________ _____________Keys : noise pollution :loud music planes mobile phones building houses air pollution: factories smoking cars building houseswater pollution: ships rubbish littering factoriesⅣ. Listening1. 1b Listen and complete the sentences.What was the problem? The river was _____________. Even the bottom (底部) of the river was full of ________. There were no more ______ for fishermen (渔民) to catch.What caused the problem? People are throwing _______ into the river. Factories are putting ______ into the river.How should the problem be solved?We should write to the ____________ and ask them to ___________ the factories. Everyone should help to __________ the river.Keys: really dirty rubbish fish litter waste governmentclose down clean up2. Listen again and answer the questions:1) Why didn’t Mike want to go with Tony?2) How was the river in the past?3) What does Tony want to do later this afternoon?Keys: 1)Because the river was dirty.2) It used to be clean. And it was the nicest river in the town .3)Write to the government .Ⅴ. Practice1. Role-play the conversation in 1c.Mark: The river was dirty. Even the bottom of the river was full of rubbish. Tony: But it used to be so clean!Mark: Yes, but people are throwing litter into the river.Tony: Everyone in this town should play a part in cleaning it up!2. Make conversations using the pollution in 1a.A: The river has always been the nicest river in this town.B: Yes, it used to be so clean.A: But I was there last weekend and the river was really dirty.B: What caused the problem?A: People are throwing litter into the river.B: What should we do?A: Factories are also putting waste into the river.B: Yes, everyone in this town should play a part.A: We should write to the government and ask them to close down the factories. B: What else can we do?A: Everyone should help to clean up the river.3. Have a try to retell the conversation.Ⅵ. Discussion1.What are your ideas about solving the problems?2. In our daily life , what should we do to save the earth?Ⅶ.Writing1.Help students understand how to save the earth.2.Give the students some important structures and sentences.3.Give the students an example.板书设计教学反思：1、英语学习是语言的学习，语言学习是培养理解、表达技能的问题，不是单纯的知识问题。
人教版英语九年级全册Unit13We'retryingtosavetheearth!优秀教学案例
4.对小组合作进行评价，关注学生的参与度、贡献度和团队合作效果。
（四）反思与评价
1.引导学生进行自我反思，思考自己在学习过程中的优点和不足，培养自我评价和自我改进的能力。
2.组织学生进行同伴评价，鼓励他们互相提供反馈和建议，培养评价能力和批判性思维。
3.创设问题情境，让学生面临真实的环保问题，如水资源浪费、垃圾分类等，引导学生主动思考和寻找解决方案。
4.利用多媒体技术，如视频、音频、动画等，营造生动有趣的学习氛围，激发学生的学习兴趣和积极性。
（二）问题导向
1.设计有挑战性的问题，引导学生深入思考环保问题的本质和影响。
2.通过提问和讨论，引导学生自主探究和解决问题，培养他们的批判性思维和问题境的影响。
3.总结本节课的主要内容和知识点，确保学生对环保知识有一个全面而准确的理解。
（五）作业小结
1.布置相关的作业，如研究报告、行动计划等，让学生将所学知识运用到实际生活中去。
2.要求学生在作业中提出自己的观点和解决方案，培养他们的创新思维和批判性思维能力。
3.引导学生关注环保问题的多样性和复杂性，培养他们的分析和综合能力。
4.鼓励学生提出自己的问题，激发他们的好奇心和探索精神。
（三）小组合作
1.组织学生进行小组讨论和合作，鼓励他们分享自己的观点和想法，培养合作能力和团队精神。
2.设计小组活动，如共同完成一篇关于环保的文章、策划一次环保活动等，让学生实际行动起来，提高实践能力。
3.鼓励学生在作业中积极表达自己的想法，注重培养他们的写作能力和表达能力。
4.对学生的作业进行认真批改和评价，提供及时的反馈和建议，帮助学生巩固所学知识，提高他们的学习效果。
人教版英语九年级全册Unit13Wearetryingtosavetheearth课教学设计
-通过问答、角色扮演等互动方式，巩固所学知识。
（三）学生小组讨论
1.教学活动设计：
-将学生分成小组，针对某一环境问题进行讨论，如空气污染、水污染等；
-小组成员分别扮演不同角色，如环保专家、政府官员、市民等，提出解决问题的建议；
-各小组汇报讨论成果，其他小组进行评价和补充。
-采用个别辅导和小组合作相结合的方式，关注学生的个体差异；
-及时反馈学生的练习情况，针对性地进行指导；
-鼓励学生积极参与，提高课堂练习的效果。
（五）总结归纳
1.教学活动设计：
-教师与学生一起回顾本节课所学的主要知识点；
-学生分享自己的学习心得和感悟；
-教师强调环保意识的重要性，并提出课后实践任务。
2.教学目标：
1.增强环保意识，认识到保护地球的重要性；
2.培养关爱自然、珍惜资源的情感；
3.树立可持续发展观念，养成节约能源、减少污染的良好习惯；
4.增进对国际合作解决环境问题的认识，提高社会责任感；
5.培养团队合作精神，学会倾听他人意见，尊重不同观点。
二、学情分析
针对九年级学生，他们在英语学习方面已具备一定的语言基础，但在环保主题的语境中，仍需加强相关词汇和表达方式的学习。此外，学生在面对现实环境问题时，可能缺乏关注和思考。因此，在教学过程中，应注重以下几点：
2.任务型教学法：设计小组任务，让学生在完成任务的过程中，掌握语言知识；
3.交际教学法：鼓励学生积极参与课堂讨论，提高口语表达能力；
4.互动式教学法：利用多媒体资源，组织学生进行角色扮演、小组讨论等活动，激发学生的学习兴趣；
5.自主学习：培养学生自主查找资料、整理信息的能力，提高学习效率。
人教版英语九年级全册Unit13We'retryingtosavetheearth单元优秀教学案例
3.问题导向教学，培养批判性思维
本案例采用问题导向的教学策略，引导学生围绕环保问题展开思考、讨论和分析。这种教学方式有助于培养学生的批判性思维，使他们学会独立思考问题，形成自己的观点。
-结合课本对话和文章，让学生在实际语境中学习语法。
3.通过听力练习，让学生熟悉与环保相关的新闻报道、故事和对话，提高他们的听力水平。
-播放听力材料，引导学生完成相关练习，并针对难点进行讲解。
（三）学生小组讨论
1.将学生分成小组，每组选择一个环保主题，如：气候变化、水资源保护等，进行资料收集和讨论。
-要求学生用英语记录关键信息，为后续的展示做准备。
1.设计反思性问题，如：“在本章节的学习中，你学到了哪些环保知识？”“你认为自己在环保方面有哪些改变？”等，引导学生进行自我反思。
2.组织学生进行同伴评价，让他们互相提出建议，共同进步。
3.教师对学生进行综合评价，关注学生在知识、技能、情感态度与价值观等方面的表现，鼓励他们持续进步。
四、教学内容与过程
人教版英语九年级全册Unit13We'retryingtosavetheearth单元优秀教学案例
一、案例背景
随着社会的快速发展，环境问题已经成为全球关注的焦点。在这样的背景下，人教版英语九年级全册Unit13"We're trying to save the earth"单元，以环境保护为主题，旨在培养学生对环境问题的关注和责任感。本案例将结合课本内容，通过多元化的教学活动，提高学生对环境保护的认识，激发他们积极参与环保行动的热情。在教学过程中，注重运用教育专业用词，以人性化的语言引导学生进行思考与讨论，使他们在掌握英语知识的同时，也能够关注到地球的可持续发展。
Unit13 We're trying to save the earth!SectionB教学设计
1free talk 看课件回答问题。 3.快速阅读文章回答以下问题。. 1) Who is Amy Hayes? 2) How many people are mentioned in the passage? Who are they from?
3) Did she win an award? What was it from?
小组合作，能够完成饮料瓶的利用并展示交流。
作业/拓展 板书设计
Make a poster.Tell people the importance of reusing things .Tell people the things we can do to protect the earth.
Rethink, Reuse, Recycle.
3.实施评价任务 1 学生自读，教师指导学生快速读文章，看谁能快速提取 文章大意并回答问题。
1.回答问题正 确，发言积极 加分
2.以小组为单 位，看哪一组 说得好。
教师活动
1.播放课件。 2.提问检测。 3.聆听、评价、释疑。 4.提问检测、点拨，纠错。
目标达成情况
反思与评价
2. 过细读文 章，学生能够获 取具体信息并完
评价任务的设计：
1，学生自读，教师指导学生快速读文章，看谁能快速提取文章大意并回答 问题。 2，学生完成表格、回答问题和填空，小组内交流答案并展示。 3，小组合作，能够完成饮料瓶的利用并展示交流。
设计意图： 检测目标 1
检测目标 2
检测目标 3
教
学
设
计
学习目标
学习活动
评价标准
1. 通过快速阅 读文章，学生能 够找出文章的主 旨大意并回答相 关问题。
Unit_13_We’re_trying_to_save_the_earth!教学设计
Unit 13 We’re trying to save the earth!人教版新目标Section B 2a–2e一、教学内容分析本课时是人教新目标九年级下 Unit13Section B 2a—2e；这篇文章介绍了三个在环保再生方面有突出贡献的人物以及他们的做法：英国的艾米.海斯住在她自己用废物建造的一所房子里；香港的杰西卡.王用人们不穿的旧衣服来制作背包：上海的王涛用旧汽车上的废铁和其他材料制作精美的艺术品。
让学生了解环境保护的方式，并落实到积极的行动之中，同时还有阅读策略的训练。
二、教学目标1.语言知识目标1)听、说、读、写以下词汇： gate, bottle, president, metal熟练掌握以下词组：upside down, be made of(2) 了解以下词或词组的含义：inspiration, creative通过学习，口、笔头掌握下列句型：1) Do you often throw away things you don't need anymore?2) You have probably never heard of Amy Hayes, but she is a most unusual woman.3) And the gate in front of her house is made of rocks and old glass bottles.4) Amy isn't the only one who is good at recycling.5) I hope people can read my book and enjoy it!2.语言技能目标能读懂介绍关于废物回收利用的文章，完成相应的阅读任务，并能够运用本节课的核心句型，谈论废物再利用的价值。
3.情感态度目标学生们能认识到节约能源的重要性，保护环境可以从身边的小事做起，养成节俭的美德。
初中英语九年级Unit 13 We’re trying to save the earth教案
Unit13We’re trying to save the earth!Period1词汇学习课【学习目标】1.能够正确拼、读、写pollution,recycle,ecosystem等词汇。
2.通过自主学习与小组合作，掌握词汇的拼读记忆规则和相关的词型转化。
3.能够与他人相互学习，相互帮助，提升自己的英语水平。
【难点】：基本词汇的固定搭配1.Read after the tape player together,correct your pronunciation.2.Prepare for your word reading in groups,then have a competition,the others give them marks.3.Look at some pictures and say out the new words.4.Learn the forms of the words.5.Summary：1.掌握了本单元重点词rethink,recycle等的词形变化。
2.通过对单词的合理拓展，注重新旧单词的区别和联系，更好的掌握了上述重点词汇。
6.Homework：1.疯狂朗读记忆单词和相关词汇变化，准备第二天单词检测。
2.完成Section A预习案自我反思：Period2Section A听说课(1b---2c)【学习目标】1.熟读Section A重点短语句子。
2.能够正确运用pollution,environment谈论我们所面临的环境问题，以及可以采取的措施。
3.讲卫生，爱环境。
1.Go through the study-guide2.Lead-in:Show some pictures which has different kinds of pollution,such as:water pollution,air pollution,water pollution,land pollution.3.Practice:1).Look at some pictures and practice:--What kind of pollution are the picture showing?--Noise pollution(air pollution,water pollution).2).Listening practice:1a.Look at1b.Listen and check your answers in activity1a.3).Pairwork:Make conversations about what kinds of pollution that we are facing.A:The river is dirty.Even the bottom of the river was full of rubbish.B:But it used to be so clean.A:Yes,but people are throwing litter into the river..4)2a Listen to the interview.Circle the kinds of pollution that Jason andSusan talk about.2b Listen again and complete the sentences.5)2c PairworkJason:The air has become really polluted around here.I am getting very worried.Susan:Yes,I used to be able to see stars in the sky,but…4.Summary:通过对话和听力练习熟练掌握了be harmful to的用法，并对各种污染有所了解。
初中英语《We're trying to save the earth》优质教学设计、教案
人教版英语九年级Unit13 We are trying to save the earth.九年级Unit 13 We are trying to save the earth.Section A (1a-2d)（听说课）【学习目标】1. （90%学生）能根据读音规则和音标拼读单词litter, bottom, , coal, ugly, cost, plastic 能根据构词法学习单词advantage, wooden,; fisherman。
2.（90%学生）能根据图片表述出“noise pollution, air pollution, water pollution 以及在特定语境中的意义、目标语言What was the problem?What caused the problem?的基本结构及表意功能。
3.（85%学生）能听懂话题的语段1b、2b，并能根据重音、语调的变化，体会句子意义的变化, 并能就话题pollution 交流（1a）,做到语音、语调基本正确、自然、流畅（模音）。
4.（85%学生）能运用词汇及目标语言形式及图片（1a）或(2b)描述个人及他人的认识到的pollution。
5.(80%学生) 能通过提问回答迅速掌握2d 的结构脉络;能根据对话进行拓展性延伸，分角色表演或者复述，达到正确输出所学语言。
【目标——活动——评价设计】【听说活动设计】1.Leading-in: （目标3；评价1；学生回答正确给小组加一分）Show the picture of the earth and tell students theearth is polluted now. For example: (1) The factories that burn coal pollute the air with a lot of black smoke.(2) Factories put waste into the river ，lots of fish died.(3There are more cars on the road.And say: It’s time to take action. We’re saving the earth.2.Talking:What caused different kinds of pollution in groups. （目标1,2；评价2；学生回答正确给小组加一分）3..Listen and complete the sentences--1a. （目标3；评价3，学生回答正确给小组加一分）4.Pair work: Let’s role play the conversation and share your opinion. Talk about the pollution( 目标3,4 评价3,展示优异给小组加二分）5.Listen and complete the sentences--2b. （目标3；评价3，学生回答正确给小组加一分）5.Read 2d and answer the questions:( 目标5；评价3，学生回答正确给小组加一分）1).What are the ideas for cutting down air pollution?2).What are the advantages of bike riding?3).What are the ideas for solving waste pollution?6.Retell (目标5；评价3，学生复述准确，语音、语调流畅3分）复述展示评价量表：7.Writing and show . Group work: （目标3；评价5（参见写作评价量表）；总分10）：Initial written proposal（倡议书）Our earth is crying ,we should try our best to save the earth.书面表达写作及修改评价量表（10 分）8.Homework1.整理笔记，巩固所学重点单词、短语和句型的用法。
人教版英语九年级全册unit13We’retryingtosavetheearth
设计意图：通过图片展示，让学生直观地感受到环境问题的严重性，为新课的学习做好情感铺垫。
2.教学活动：教师引导学生讨论以下问题：What do you see in these pictures? How do you feel about it? Do you think it's important to protect the environment?
2.培养学生的团队合作精神，使他们学会在合作中共同解决问题。
3.增强学生的社会责任感，让他们明白学习英语的目的之一是为了更好地参与国际交流，为全球环保事业做出贡献。
4.激发学生对英语学习的兴趣，帮助他们树立自信心，勇于面对挑战。
二、学情分析
针对人教版英语九年级全册Unit 13 “We’re trying to save the earth”的教学内容，学情分析如下：
人教版英语九年级全册unit13We’retryingtosavet
在本章节中，我们将围绕人教版英语九年级全册Unit 13 “We’re trying to save the earth”的主题，帮助学生掌握以下知识与技能：
1.掌握本单元的核心词汇和短语，如“pollution”, “waste”, “recycle”, “renewable energy”等，并能运用到日常交流中。
设计意图：激发学生的创作兴趣，提高他们的审美和动手能力。
设计意图：锻炼学生的书面表达能力，使他们能够运用所学知识阐述自己的观点。
2.口语作业：学生以小组为单位，录制一段关于环保的对话或访谈，讨论如何在学校或家庭中实施环保措施。要求每个成员都有发言机会，对话中需包含本节课所学的词汇和时态。