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九年级上册Unit 2 Topic 2 All these problems are very serious.Section D【教学构思】一、教材分析：本课属于课标话题人与自然——“世界与环境（The world and the environment）”中环境保护（Environmental protection）项目，主要介绍水资源短缺和应对措施。
主要教学活动为1a、2和3，学生通过阅读了解主要介绍水资源短缺和应对措施，学会给段落正确排序，进一步提高阅读能力，培养思维品质。
读后讨论保护和节约水资源的措施，并写一份关于节约水资源的倡议书，提高学生“说”和“写”的语言能力。
Section D第一个部分的内容，总结本话题所学语法和功能，在复习时发现学生存在的问题，及时解决问题。
二、设计说明：根据学情和本课的语法及话题，本节课的教学设计将说、读、写相结合，先复习本话题所学语法和功能，补缺补漏，融会贯通。
通过阅读1a了解主要介绍水资源短缺和应对措施，获取主要信息，给段落正确排序。
小组讨论保护和节约水资源的措施，积累语料，写一份关于节约水资源的倡议书，培养学生“写”的语言能力。
本课在重、难点突破的方法上有所创新，教师通过竞赛方式复习本话题所学语言语法知识，既能引导学生有效复习，又能激发学生积极性和主动性。
读后小组讨论积累语料，学会写Proposal。
【教学目标】1. 复习本话题语法和功能，能够正确使用所学语法和功能，培养综合语言能力；2. 通过阅读获取主要信息，给段落正确排序，培养“读”的语言能力；3. 通过小组活动，学会合作与交流，培养“说”的语言能力；4. 小组讨论活动后，能写一篇节约用水倡议书，进一步培养“写”的语言能力。
【教学重难点】1. 正确使用不定代词和副词；2. 学会写一篇倡议书。
【教学方法】任务型教学法【教具】多媒体设备，教学课件【教学过程】Step 1. GreetingStep 2. Review1. Review the words and phrases in this topic by playing games.2. Review the grammar in this topic by doing some exercises and fill in the blanks of Grammar and Functions. Students can do the exercises through competition to see which group can complete the exercises fastest and most correctly.（设计意图：通过希沃设计竞赛和游戏方式，复习本话题语法和功能，既能帮助学生梳理记忆本课重点知识，及时补缺补漏，又能激发学生兴趣和积极性。
Unit 2 Topic 2 All these problems are very serious.所有这些问题都非常严重Section A(Kangkang, Maria and Jane are talking in a room. The wind outside is blowing strongly.)(康康、玛利亚和简正在房间里谈话，,外面的风刮得很厉害。
)What bad weather! The wind is so strong! And the sand really hurt my face. while I was walking down the street just now, I couldn't see anything.多么糟糕的天气!风太大了！沙子的确刮得脸很疼。
刚才在街上走时，我什么也看不见。
I'm sorry to hear that. But what causes these sandstorms? 对此我很难过。
但是是什么引起这些沙尘暴的呢?People have cut down too many trees. As a result, a lot of rich land has changed into desert.人们乱砍滥伐。
结果，大量肥沃的土地变成了荒漠。
That's bad. How can that affect the weather? 那太糟糕了,但是那怎么影响天气呢?Trees can stop the wind from blowing the earth away. 树木可以防风固土。
And a lot of water can be saved by forests. 并且森林可以贮存大量的水分。
They can also stop the water from washing the earth away. 树木也能防止水土流失。
仁爱英语九年级上册Unit2 Topic2 Section A教学设计Unit 2 Saving the EarthTopic 2 All these problems are very serious.Section A教材分析：本课是九年级第二单元第二话题的第一课时。
主活动是1a。
1a通过Kangkang 向他的同伴Maria和Jane抱怨恶劣的天气，引出本课的功能意念：抱怨和责备。
同时也初步呈现了本单元的语法点：不定代词和不定副词。
1b主要培养听力策略，即重点听对话的大意。
1c侧重于考查归纳总结的能力。
在2中，通过“用所给词的正确形式填空”这种题型，巩固1a中的重点语言点。
本课通过谈论沙尘暴的成因说明了树木对环境保护的重要作用。
同时也让学生了解天气与人类活动的关系，关注全球的环境问题。
学情分析：根据本阶段学生的年龄和性格特点、心理特征，他们的听说能力已开始慢慢提高。
他们掌握了一定的英语基础知识和语言技能。
同时，他们能够在小组合作中与他人合作，互相帮助，共同完成学习任务。
教学目标：1、掌握本课的重点词汇和短语，谈论沙尘暴的成因。
2、初步感知不定代词和不定副词的用法。
教学重点：1、Words and phrases:sand, although, sandstorm, desert, human being, reduce, completely, change into,stop … from, blow/ wash … away, as a result2、Sentences:1). A lot of water can be saved by forests.2). Although we have buil t “The Green Great Wall”, we still need to do something to protectthe environment.3、Grammar: Indefinite pronoun and adverb.教学难点：1、能够从所听材料中获得有效的细节信息来补全句子。
九年级仁爱上册Unit 2 Saving the Earth 拯救地球Topic 2：All these problems are very serious.所有这些问题都是非常严峻的Section A1a(Kangkang，Maria and Jane are talking in a room. The wind outside is blowing strongly.)（康康，玛丽亚和简正在一间屋子里谈话，风外面在猛烈地吹）What bad ! The wind is with lots of sand. I couldn’t see ，and my face while I was walking down the street .康康：多么糟糕的天气，风吹地猛烈，挟带着大量的沙子，我什么也看不见，刚才我正走在大街上时，我的脸生疼。
I’m that. But what these ?玛丽亚：听到那样我很遗憾。
但是，是什么引发了这些沙尘暴？People have too trees. As a ，a lot of land has changed into .康康：人们砍伐了太多的树木，结果，大量肥沃的土壤变成了沙漠。
That’s bad，but how can that the weather?玛丽亚：太糟了，但是那怎么才能影响这种天气呢？Trees can the wind the earth away.简：树木能防风固土。
And a lot of water can be by .康康：并且森林可以贮存大量的水分。
They can also the water the earth .简：他们也能防止水土流失。
Cutting down trees is human beings，and plants. we have “the Great Green Wall”，we still need to work hard to protect the .康康：砍伐树木对人类和动植物有危害，尽管我们已经建立了“绿色长城”，但是我们仍然需要努力工作来保护环境。
Unit 2 Topic 2 All these problems are very serious.所有这些问题都非常严重Section A(Kangkang，Maria and Jane are talking in a room. The wind outside is blowing strongly.)(康康、玛利亚和简正在房间里谈话，，外面的风刮得很厉害。
)What bad weather! The wind is so strong! And the sand really hurt my face. while I was walking down the street just now，I couldn't see anything.多么糟糕的天气!风太大了！沙子的确刮得脸很疼。
刚才在街上走时，我什么也看不见。
I'm sorry to hear that. But what causes these sandstorms? 对此我很难过。
但是是什么引起这些沙尘暴的呢?People have cut down too many trees. As a result，a lot of rich land has changed into desert.人们乱砍滥伐。
结果，大量肥沃的土地变成了荒漠。
That's bad. How can that affect the weather? 那太糟糕了，但是那怎么影响天气呢?Trees can stop the wind from blowing the earth away. 树木可以防风固土。
And a lot of water can be saved by forests. 并且森林可以贮存大量的水分。
They can also stop the water from washing the earth away. 树木也能防止水土流失。
仁爱版英语九年级上册Unit 2 Topic 2《All these problems are very serious》SectionC 教学设计一. 教材分析本课选自仁爱版英语九年级上册Unit 2 Topic 2《All these problems are very serious》Section C。
本节课主要讨论环境问题以及我们应该如何保护环境。
本节课的内容与学生的生活息息相关，能够引起学生的兴趣和共鸣。
教材通过对话和阅读材料的形式，让学生了解环境问题的严重性，并学会提出解决方案。
本节课的语言目标主要是掌握情态动词“must”的用法，以及如何表达意见和建议。
二. 学情分析九年级的学生已经具备了一定的英语基础，能够听懂并参与讨论日常生活中的话题。
然而，对于一些环境问题的专业术语，他们可能还不够熟悉。
因此，在教学过程中，教师需要帮助学生建立起已知信息和环境问题之间的联系，并通过任务型教学法，让学生在实践中运用所学知识。
三. 教学目标1.语言目标：–能够听懂、会说、会读、会写情态动词“must”的肯定句、否定句和疑问句。
–能够用“must”表达自己的意见和建议。
2.知识目标：–了解环境问题的严重性，学会提出解决方案。
3.情感目标：–培养学生关爱环境，保护地球的意识。
四. 教学重难点•情态动词“must”的用法。
•如何表达意见和建议。
•环境问题的专业术语。
•如何运用“must”进行建议和劝告。
五. 教学方法1.任务型教学法：通过设定不同的任务，让学生在实践中运用所学知识。
2.情境教学法：通过创设情境，让学生在真实的语境中学习英语。
3.合作学习：通过小组讨论和分享，培养学生团队合作的能力。
六. 教学准备1.教师准备：–备课教案。
–相关环境问题的图片和视频。
–录音机和磁带。
2.学生准备：–预习相关单词和短语。
–准备好讨论环境问题的意见和建议。
七. 教学过程1.导入（5分钟）教师通过展示一些环境问题的图片和视频，引导学生关注环境问题，并激发学生的学习兴趣。
Unit 2 Saving the EarthTopic 2 All these problems are very serious.一．重点句型：Section A1. What bad weather! 多么糟糕的天气！What引导的感叹句：a.What+形容词+不可数名词/可数名词复数！（不可数名词如:news; advice; weather）What clean water! 多么清澈的水呀！b.What+ a/an+形容词+可数名词单数！What a busy day! 多么繁忙的一天呀！2. As a result, a lot of rich land has changed into desert. 结果，许多肥沃的土地已经变成了沙漠。
change… into…（把…变成…）= turn… into… 把…..(转)变成…..Please change English into Chinese. 请把英语变成汉语。
3. Trees can stop the wind from blowing the earth away.树可以防风固土。
（1）stop sb./sth. (from) doing sth.= prevent sb./sth. (from) doing sth. --- 阻止…做某事=keep sb./sth. from doing sth.（from不能省略）The heavy rain stops us from going out.=The heavy rain prevents us form going out.=The heavy rain keeps us form going out. 大雨使我们无法外出。
（2）earth 着重指与天空相对的“土地”，还泛指泥土；soil 主要指用于种植庄家的“土壤”；ground 主要指大地表面；land 着重指与河、湖、海洋相对应的陆地。
九年级仁爱上册Unit 2 Saving the Earth 拯救地球Topic 2：All these problems are very serious.所有这些问题都是非常严峻的Section A1a(Kangkang, Maria and Jane are talking in a room. The wind outside is blowing strongly.)（康康，玛丽亚和简正在一间屋子里谈话，风外面在猛烈地吹）What bad ! The wind is with lots of sand. I couldn’t see, and my face while I was walking down thestreet .康康：多么糟糕的天气，风吹地猛烈，挟带着大量的沙子，我什么也看不见，刚才我正走在大街上时，我的脸生疼。
I’m that. But what these ?玛丽亚：听到那样我很遗憾。
但是，是什么引发了这些沙尘暴？People have too trees. As a , a lot of land has changed into .康康：人们砍伐了太多的树木，结果，大量肥沃的土壤变成了沙漠。
That’s bad, but how can that the weather?玛丽亚：太糟了，但是那怎么才能影响这种天气呢？Trees can the wind the earth away.简：树木能防风固土。
And a lot of water can be by .康康：并且森林可以贮存大量的水分。
They can also the water the earth .简：他们也能防止水土流失。
Cutting down trees is human beings, and plants. we have “the Great Green Wall”, w e still need to work hard to protect the .康康：砍伐树木对人类和动植物有危害，尽管我们已经建立了“绿色长城”，但是我们仍然需要努力工作来保护环境。
Topic 2 All these problems are very seriousSection AⅠ. Material analysis本课是第二单元第二话题的第一课时。
主活动是1a。
1a通过Kangkang向他的同伴Maria和Jane抱怨恶劣的天气，引出本课的功能意念：抱怨和责备。
同时也初步呈现了本单元的语法点：不定代词和不定副词。
1b主要培养听力策略，即重点听对话的大意。
1c侧重于考查归纳总结的能力。
在2中，通过“用所给词的正确形式填空”这种题型，巩固1a中的重点语言点。
借助3的图片和信息提示，进一步形象地了解沙尘暴形成的过程。
通过4的听力练习，提高学生听取文段细节的能力。
本课通过谈论沙尘暴的成因说明了树木对环境保护的重要作用。
同时也让学生了解天气与人类活动的关系，关注全球的环境问题。
Ⅱ.Teaching aims1.Knowledge aims：掌握本课的重点词汇和短语，谈论沙尘暴的成因。
初步感知不定代词和不定副词的用法。
2.Skill aims:能听懂谈论沙尘暴成因的对话。
能够从所听材料中获得有效的细节信息。
能够根据图片和信息提示词描述沙尘暴形成的过程。
3. Emotional aims: (optional)让学生了解环境污染的严峻形势，引导学生爱护大自然，爱护花草树木，树立绿色环保意识。
4. Culture awareness: (optional)通过课文的学习，让学生了解沙尘暴形成的原因和过程，关注全球的环境问题。
Ⅲ. The key points and difficult points1. Key points:Words and phrases: sand, although, sandstorm, desert, human being, reduce, completely, change into, stop … from, blow/ wash … away, as aresultSentences: A lot of water can be saved by forests.Although we have built “The Green Great Wall”, we still need to do something to protect the environment.Grammar: Indefinite pronoun and adverb.2.Difficult points：能够从所听材料中获得有效的细节信息来补全句子。
能够根据图片和信息提示词描述沙尘暴形成的过程。
Ⅳ. Learning strategies通过引导学生在听前阅读1b和3，培养学生形成听前熟悉、预测听力材料的学习习惯。
通过3中的插图预测并描述新话题，培养学生的逻辑推理能力。
Ⅴ. Teaching aids关于沙尘暴的视频和图片，录音机，幻灯片等。
Teaching procedures1. Getting students ready for learningPlay a short video about a sandstorm and let Ss guess what kind of weather it is.T:Hi, boys and girls! It’s a fine day, isn’t it?Ss: Yes.T: Now watch the short movie and guess what kind of weather it is?…T: Can you tell me what the weather is?Ss: Yes, 沙尘暴.T: Right. We call it “sandstorm”. It’s a kind of storm caused by sand. So we call it sandstorm. Now read after me, “sand”“sand”.(Point to a scene in the video.)Ss: “sand”, “sand”T: “storm”, “storm”Ss: “storm”, “storm”T:“sandstorm”,“sandstorm”2. Lead-inShow the pictures of a sandstorm, let the Ss guess how sandstorm comes into being and number the pictures in 3.T: OK, do you know how sandstorm comes into being? Please look at the pictures, discuss and number them in groups.…T: OK, how does the sandstorm come into being? Tell me the right order, please.S1: It’s 4-1-5-3-6-2.3. Pre-listeningLet the Ss talk about sandstorm according to the pictures and the given words in 3 in groups.T: Yeah, you are right. With the help of pictures and the words below, can you talk something about sandstorm?Ss: Yes.T: Now discuss with your group members.…T: OK, who can try?S1: Long ago, there were lots of trees and forests. But people needed some wood to build houses and do other things, so they cut down the trees day by day. And the forests have gone slowly…S2: …4. While-listeningStep 1: Present the picture in 1a. Let the Ss listen to 1a once and do 1b alone.T: Right. Now look at this picture. What’s the weather like?S1: It’s a sandstorm.T: How do you like the weather?S2: I think it’s terrible.T: People can’t see things clearly. And it’s bad for our health.Now listen to the tape and choose the best answer in 1b. When you are listening, pay attention to the main idea.…T: Now please check answer s. The boy and girls are talking about…S1: B, the reasons for sandstorms.…Step 2: Let the Ss listen to 1a again and complete the functions of trees in 1c. They can discuss in pairs.T: Listen to 1a again and find the functions in 1c.…T: What are the t rees’ functions?S1: Trees can stop the wind from blowing the earth away.S2: They can also stop the water from washing the earth away.5, Post-listeningStep 1: Let the Ss read 1a in groups and then role play it.T: Read 1a with your group members and act it out.Step2: Let the Ss read again and find the important phrases in 1a. Then write them down on the Bb.T: Now read 1a sentence by sentence, underline the important phrases and then write them down on the Bb behind.…T: OK, let’s look at your notes. No.1, “change into”. Who can tell us its meaning?S1: It means “turn into”.T: Right. Who can make a sentence with it?S2: We can change ice into water.T: Wonderful! If your group also has this phrase, please tick it out. Now next one, “stop…from doing sth.” Who can make a sentence with it?S3: …Teach other phrases in the same way.)Step 3: Lead the Ss to complete the sentences with the correct forms of the given phrases in the box in 2.T: OK, we have learnt the key phrases. Now let’s fill in the blanks in 2 with the correct forms of the phrases.…T: Let’s check.S1: People have cut down such a large number of trees that the land has changed into desert.S2: …, so the wind always blows the earth away.S3: …, so we must do something to reduce it.S4: …6,Finishing TaskLead the Ss to look at the phrases. Listen to the passage and circle the phrases you hear. Then listen twice to complete the sentences. Finish 4.T: Look at these phrases, what’s the meaning of “become weaker”?S1: It means “变得更虚弱” in Chines e.T: Right. How about “destroy the environment”?S2: It means “破坏环境”.…T: Now listen carefully and circle the phrases you hear....T: OK, now check the answer together. Which phrases did you hear?S41…S5……T: Well done. Now listen again and fill in the blanks. When listening, you can only write the first two letters of each word. After finishing listening, you have some time to complete your answers. Ready?T: OK. It’s a bit difficult. So you have one more minute to complete the sentence and pay attention to the forms of verbs.…T: Let’s check the answers together.S6: Now some kinds of animals are becoming…S7: Some animals are … dying out completely.S8: … and had … food.7, Summarizing and Assigning homeworkStep 1: Sum up what they have learnt in this class.T: Please work in pairs.Tell your partner what we have learned today including words, phrases and sentences.S1: change intoS2: stop … from …S1: wash … away …S2: blow … away ……Step 2: HMK: Write a passage about how sandstorm comes into being.Blackboard designAll these problems are very serious.。
