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Unit 7 What's the highest mountain in the world Section A (1a-2d) 第一课时
（一）教材内容分析
新目标英语八年级上册第五单元的语言目标是“谈论地理和自然”。属于新课标中“人与自然”主题范畴中“自然生态”这一主题群，涉及子主题“热爱与敬畏自然，与自然和谐共生”。在七年级上册第七，第八单元学习了形容词和副词的比较级和最高级的基础上，Section A 的内容要求学生对形容词的各个级别进行更加深入的学习，主要涉及较大数字的表达，形容词比较级的修饰词，形容词的原级、比较级、最高级的一些特殊句型。本节课的内容丰富，学生可以在学习语法知识的同时领略珠穆朗玛峰、里海、撒哈拉沙漠、尼罗河、长城等世界之最的美景，从而陶冶他们热爱祖国、热爱自然的高尚情操。
（二）教学目标：
1、知识与技能
1）根据拼读规则读写本节课的单词和短语：Square, meter, deep, desert, population, tour feel free、 the most popular question、talk about 、the Ming Dynasty、the ancient emperors、the main reason、as far as I know、the Ming Great Wall
2）To be able to express large numbers.
3）掌握本节课描述事物的关键句型:
A: Qomolangma is 8848.86 meters high.
B: What’s the highest mountain in the world
C: What’s the population of China
D: China is one of the oldest countries in the world
E: China has a much longer history than the USA.F: There is no other man-made objects as big as the Great Wall.
4）学会用比较等级谈论世界上地理和自然的特征。
2、过程与方法:按照由浅入深、循序渐进的原则，通过小组合作、布置任务、师生互动等课堂活动引领学生掌握目标语言，培养学生自主探究、合作交流的能力。
整合教材 1a-2d资源，发散思维，写作输出，描述祖国之最，培养学生的写作能力。
3、情感态度与价值观:通过各种比较了解中国以及世界地理知识，培养学生热爱祖国、热爱自然的情怀。
4、教学重点:本节课的重点词汇、大数的表达及形容词的各个比较级别的句型。教学难点:用形容词的比较级别描述人或事物。
（三）教学方法及手段：
自主合作探究;任务型语言教学法；多媒体。
（四）课前预习
【预习指导】仔细阅读课文 P33-34内容，阅读过程中翻译并圈出相关的短语以及知识点，理解 2d 大意，并用红笔圈出难以理解的地方，用 15分钟完成预习任务。
Task1. 预习课本 P33-34 单词和 P33 1a、1b，根据汉语意思进行默写：
单词：平方；正方形_____米；公尺______深的_______沙漠_____人口_________亚洲______旅行；旅游________ 旅行者_______ 墙____ 惊奇的____ 古代的_____保护_______宽的____人造的___短语：(可以)随便(做某事)_______________平方米_____________在世界上__________________在面积上___________________咸水湖_____________________ 最高的山__________________
Task2.预习课本 P33 1c及 P34 2a&2c，完成下列句子：
1.世界上最高的山是什么？
What is _______ _______ ________ _______ _______ _______
2.长江大约 6300公里长。
___________ is about 6300 kilometers long .
3.黄河大约 5464公里长。The Yellow River is about 5464 __________________.
4.中国是世界上人口最多的国家。
China has _______ _______ ________ in the world .
5.中国比美国历史悠久的多。
China has a _______ _______ ________ than the US.
6.中国是世界上最古老的国家之一。
China is _____ _____ the _______ ______ in the world .
Task3.预习课本 P34 2d, 完成下列任务：
找出下列短语：
随便(做某事)___________关于今天的长城旅行_______________明朝__________古代皇帝________主要原因________________就我所知_____________其他的人造物体_______________国家的一部分___________ 明长城_____________________
补全下列句子：
1.Feel free___ ____(ask) me anything on today’s Great Wall.
2.城墙有多长？ _______ _______ is the wall
3.主要原因是去保护国家的一部分。
The main reason is _____ ____ their parts of the country .
4.这一点你可以看见，它相当高和宽。
________ you can see , it’s quite long and wide .
5就我所知，没有其他的人造物体和这一样大。
_______ _______ ______ _______ _______, there are no other _________ objects ______ big _______ this .
【预习检测】按要求完成句子
1.They ______ _______ (随便)to ask the teachers question .
2. _______ _______ ______ _______ _______(就我所知), we will go to the movies this weekend.
3.China is _____ _____ the oldest _____ (最古老的国家之一)
4.What’s the longest river ____ _____ _____ (在世界上)。
5.China is 96,000,000 ___ ___ (平方公里) __ __(在面积上)
（五）学习过程
Step 1 Warming up
Greet to the class. Before studying the new lesson, let’s watch a video recording about some great climbers who were climbing a great mountain.
Step 2 Leading in Show Ss some pictures about the most in the world. Show Ss some pictures about Qomolangma, the Nile, Caspian Sea and Sahara to help students recognize the target language.
T: Boys and girls, do you know what mountain it is
Ss: Is it Qomolangma
T: Do you want to visit it Yes. Please try your best to make your dream come true. Today I will lead you to enjoy the beauty of the places. Give Ss some questions to talk about:
Which is the highest mountain in the world
Which is the longest river in the world
【设计意图】课前播放攀登珠穆朗玛峰的配乐视频带领学生进入一种激昂的挑战境界，引起他们的学习兴趣。展示其他世界之最的图片，为 1a 做铺垫。
Step 3 Presentation (Activity 1a-1c)
T: Let’s check the preview of the new words: one student says out the Chinese meanings of the words, the other one spells them. Such two students form a group.
(Decide two winners from three or four groups.)
T: All of you did well. Keep trying. in this lesson. we will compare some things with large numbers. Now please try to read these number after me: 4,007: four thousand and seven14,002, 102: fourteen million, two thousand, one h undred and two8848.86 eight thousand eight hundred point four three1) Explain the use of large numbers.1000以上的数词读法1,000以上的数字应先从后向前数，每三位数加一个逗号,用这个方法把数字分为若干段，再一段一段地读,从后向前第一个逗号前的数为 thousand,第二个逗号前的数为 million,第三个逗号前的数为 billion.(Ss read the numbers of Part 1a. The teacher checks the mistakes; then finish Part 1a. Match the places with the facts. Then make sentences such as: The Sahara is about 9, 600, 000 square kilometers in size. Then make conversations like this.
S1: How high is Mount Qomolangma
S2: It’s 8848.86 meters high.
T: You have grasped the facts of the four places, now let’s find out more characters of them. Listen and complete the sentences.
2) Explain描述事物长度、宽度、高度、深度和面积的表示方法在英语中用来描述事物的长度、宽度、高度、深度和面积的表示方法，我们经常采用下面的方式：事物+be+基数词+单位词+形容词(long/ wide/ high/ deep)或使用介词短语 in length/width/height/depth/size.
例如：The river is 1000 kilometers long .
这条河流 1000公里长。
The bridge is 20 meters wide .
这座桥 20米宽。
That box is 1.5 meters high .
那个箱子 1.5米高。
The well is 20 meters deep .
这口井 20米深。
The house is 145 square meters in size . 这座房子 145平米。
对应练习 1：
( )1、The mountain is 2,400 meters ________ .
height B. high C. tall
( )2、The West Lake is about 6.38 square kilometers _______ .
A.in size B. in length C. in width
( )3、Hong Kong-Zhuhai-Macao Bridge(港珠澳大桥) is 55 kilometers ____
A. deep B. wide C. long
(Ss finish the task of 1b and then sum up the usages of the comparative degree and the superlative degree of adjectives.)
T:Well done! We must pay attention to the usages: of all...; In the...; than any other ... Then please recite the jingle to review the three degrees of adjectives. (Ss 口诀:“原级比较形容词、副词放在 as. as中间，比较级和 than 相连，最高级出现在 of all..., in..., among...表示范围的短语前。” Look at the big screen and read the changing rules of the three degrees of adjectives and adverbs.)
T: Now please make conversations according to the information of 1b(Ss make up some conversations in pairs.)For example:
S1: What’s the deepest lake in the world
S2: It’s the Caspian Sea.
【设计意图】这四部分教学活动的设计使学生在单词挑战，复习语法的活动中，自主探究总结大数的读法，深入学习形容词的比较级、最高级，结对练习等学习活动使学生由浅入深、循序渐进地掌握目标语言。
Step 4 2a-2c
T:I also have some pictures about China. Do you know what they are
Ss: They are the Great Wall, the Yangtze River, the largest population of China.
T: You are clever enough to answer the questions. Now please listen to the tape and finish Part 2a and 2b. Then read the facts several times and prepare for Part 2c.(Ss listen to and finish 2a-2c. Check the answers in their own groups, the teacher walks around and gives them help. )
For example:
S1: Do you know that India has the largest population in the world S
2: Yes, I do. It’s much larger than that of America.
【设计意图】通过听说训练让学生总结并熟练掌握形容词的原级、比较级、最高级在本课的拓展用法。比如 much，a lot，even集中出现在此环节中的形容词比较级前表示比较的不同程度，最高级出现在 one of... 或序数词后。
Step 5 (Finish Part 2d.)
T:As we know, every Chinese person is proud of the Great Wall. Today please follow me and have a trip to the Great Wall.(Show them some pictures about it）(Ss read the dialogue and finish the following questions:)
1. What’s the most popular question when people visit the Great Wall
2.Why did the ancient emperors build the Great Wall
3.Badaling is_____(famous) part of the Ming Great Wall.
(After checking the answers, read in pairs and then try to act it out. )
T: There are some important language points. Now I will give you a task then you can have a discussion and grasp the usages of the phrases and the sentences.
1.as far as and as far as l know如：As far as I know he'll be away for three months.
2.feel free to do sth. 如：Feel free to ask any question about robots.
3.either and too
4.There are no other man-made objects as big as this. (=This is the biggest man-made object of all.)
(Ss have a discussion and explain them in detail with the teacher’s help. Then complete the passage.)
跟踪训练：根据要求完成句子。
1、Mount Tai is 1532.7 meters _________ (height) .
2、Ningyang County is about 1125 _______ _______ (平方千米) _____ ______ (在面积上)。
3、Bullet trains(动车) run much ________(fast) than normal trains .
4、Huangguoshu Waterfall is _____________(large) waterfall in China .
5、The Yangtze River is ______ ______ (之一)the longest _______(river) in the world .
6、Feel free ____ (pick) any fruit in the orchard in the countryside.
7、The main reason is ___(protect) our eyes from the strong light from the sun .
8、_____ _____ _____ _____ (就我所知)，he is an Internet celebrity (网红).
9、______ you can see, our country develops very fast today .
10、He is as _______ (heavy) as his brother .
【设计意图】将对话问题化，既训练了学生的思维能力，又加深了学生对对话的理解，接着在小组探究中掌握了对话的语言点和重点句子。同时，把对话改编成短文，让学生对教材的理解进一步升华。
Step 6 Summary
Section A 1a-2d (Sum up the teaching aims by explaining the items of the chart.)
T: Boys and girls, our homeland - China, as one of the four great ancient civilizations, is an old country, full of beauty and fascination. She has 56 ethnic groups, complex and varied terrains, rich and diverse natural resources, long and great history and culture. I think we should be proud of our motherland and our Chinese people. You should work harder and hold on to your dream, I think you can achieve your dream to travel around our country one day.
【设计意图】师生互动，进一步深化重难点，培养学生的归纳概括能力，形成知识框架。结束语激励学生为伟大的祖国奋发图强，锐意进取。
Step 7 Homework
Write a passage about China. (According to 2a- 2d )
【设计意图】充分利用教材资源，设计图例，激发学生的写作兴趣。再次运用整合本节课的重点知识，在达到学以致用的教学目的的同时培养学生的民族自豪感，从而实现本节课的情感教育目标。
（六）板书设计达标案设计（一）单选（每题 1分，共 3分）
( )1. ---I think English is as _____as math.
---I agree with you.
A. more interesting B. most interesting
C. the most interesting D. interesting
( )2. Mo Yan is one of ___writers in the world.
A. famous B. more famous
C. most famous D. the most famous
( )3. The box was _ than I had expected．I was out of breath when I got home.
A．more heavier B．much heavier
C．little heavier D．very heavier
（二）根据句意或首字母完成句子(每题 1分，共 3分)
1.Do you know the _______(人口) of our country this year
2.There are many ___________(tour) in China .
3.The roads are very w_______________ in my hometown .
（三）根据汉语完成单词(每空 0.5分，共 4分）
1. 泰安是中国最漂亮的城市之一。
The city of Taian is ______ ______ the most beautiful ______ in China .
2. 在图使馆请随便阅读任何书籍。
Please ______ _______ to read any books in the library .
3. 就我所知，新冠病毒在美国非常严重。
______ _________ _____ I know, COVID-19 is very serious in the US.
【设计意图】当堂检测部分重点知识，力争当堂达标，提高学习效率。
（七）教学反思
1.本节课课型是一节新授课，设计了一系列的听说读写教学任务，学生在师生互动、生生互动的过程中掌握了重点词汇，较大数字的表达方法。
2.学生在经过初步感知较大数字读法及形容词比较、最高级的拓展用法之后，探究、讨论这些问题，达到感知一理解一共鸣-吸收的课堂教学效果。
3.有效地运用多媒体信息技术，实现了网络与英语课程的整合。事实证明播放恰当的有声视频更具有感染力，更能激发学生的学习兴趣。
4.由浅入深地呈现核心句式结构和目标语言，在各种比较中了解了一些有关世界之最和中国之最的地理知识。为了达到学以致用的目的，设计的家庭作业要求从中国悠久的历史，庞大的人口数量，著名的长江、黄河、高山、长城等方面写一篇作文，这项活动既整合了本节所学内容又培养了他们的爱国主义情操。
5.各个环节的教学都充分调动了学生的学习主动性,启发学生思考问题，在小组合作、探究中完成任务，教师适当帮助，尽量不让一名学生掉队，使每名学生都成为课堂的主人。总之，教师要为学生创设生动活泼的语言环境，把学生吸引到活动中去，激发他们主动参与学习的欲望。按课堂需要取材，合理地拓展教材、整合教材，把情感态度与价值观的教育巧妙地融入教学活动中是我们每节课备课的一个重要方面。
Activity 2d Role-play the conversation.
1)Students read the conversation silently and answer the questions:
What's the conversation about (It's about a tour to the Ming Great Wall.)
How long is the Ming Great Wall (It's about 8,850 kilometers long.)
What does the guide say about the wall
(学生可以从不同方面来回答，比如:It’s quite tall and wide./It’s the longest wall in the world./The ancient emperors built it to protect their part of the country./There are no man-made objects as big as this./Badaling is the most famous part of the Ming Great Wall.)
2)学生听录音并跟读，然后两人一组操练并表演对话。教师应鼓励学生关注朗读技巧，注章表演出导游和外国游客的语气，深情并茂地演绎这段对话。
3) Introduce the Great Wall briefly.
4)Language points: explain the key words and phrases in section A-1.

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