英语人教版八年级下册unit7 SectionA(1a--2d).docx

初中英语学科“问题导学、互动探究”教案Unit 7What is the highest mountain in the world?The First PeriodSection A (1a2d) I.Teaching aims 1.Key words:square,meter,deep,desert,population,Asia,wall,tourist,ancient,protect,wide 2.Key phrases:manmade objects,as far as I know,feel free 3.Important sentences: Qomolangma is higher than any other mountain in the world. What is the highest mountain in the world? China has the biggest population in the world.Its a lot bigger than the population of the US. It has a much longer history than the US. China is almost as big as the US. Did you know that China is one of the oldest countries in the world? How long is the wall?II.Important points:1.重点短语和句型2.形容词和副词比较级和最高级的用法III.Difficult points:1.重点短语和句型2.形容词和副词比较级和最高级的用法IV.Teaching processStep 1 Lead in(Show some pictures of Qomolangma,the Nile,the Caspian Sea and the Sahara to the students) (Point at the picture of Qomolangma)Teacher:What is it?Student 1:Its Qomolangma. Teacher:How high is it?Student 2:Its 8844.43 meters high.The teacher can help the student say the number.Teacher:Qomolangma is the highest mountain in the world.Let the students repeat. Then show the other pictures like this.Step 2 Work on 1a1c1.学生朗读1a中的数字,教师纠正错误,然后将1a的地理事物和实际情况连线,完成后集体核对答案。2.两人一组仿照所给对话形式练习对话,并邀请几组学生表演对话。A:How high is Qomolangma?B:Its 8844.43 meters.3.认真听录音,将1b中的句子补充完整,完成后集体核对答案。4.再听一遍录音,并跟读对话。5.两人一组利用1a和1b中的信息仿照1c的形式编练新的对话,完成后要求几组学生表演对话。A:What is the highest mountain in the world?B:Qomolangma.Step 3 Work on 2a2c1.听录音,根据听到的顺序为句子标号,集体核对答案。2.再认真听一遍录音,将2a中的数字填在合适的句子中,完成后集体核对答案。3.听第三遍录音,学生跟读。4.两人一组利用2a句子中的信息,仿照2c的形式编练新的对话,邀请几组学生表演新的对话。A: Did you know that China is one of the oldest countries in the world?B: Yes,I did.Its much older than my country.Step 4 Work on 2d1.学生自读对话,完成下面的问题。判断正误 T或F；根据对话内容填空；回答问题；英译汉When people visit the Great Wall,they often ask how long it is.(T)Badaling is a part of the Ming Great Wall and is part.Why did the ancient emperors build the wall? As far as I know,there are no manmade objects as big as this. 2.大声朗读2d 对话,读熟后与同伴结对练习,分角色表演对话。3.邀请三组来表演对话。Language points1.population的用法.（1）population直接作主语时意为“人口数”,这时谓语动词要用单数形式。但是如果部分人口(分数、百分数)作主语,谓语用复数。（2）表示“某地有多少人口”有两种表达方式： a.The population of 某地be数词(该句型中population前用冠词the); b.某地has a population of 数词(people)(该句型中population前用冠词a)。（3）“某地有多少人口”要用“What is the population of .?”或“How large is the population of .?”提问。（4）表示人口“多”要用huge或large修饰,表示人口“少”要用small修饰。2.as far as的用法（1）as far as意为“与一样远”,“一直到” (在否定句中也可用 so far as)。（2）用于引申义,意为“就而言”,“从来看”,“尽所能”,“只要”(有时可用 so far as)。Exercise 单项选择。1.How tall he is! Yes,he is _ than any other student in his class.A.tall B.tallerD.tallest D.more tall2.We dont have much homework now and our school bags are _ they used to be.A.as heavy as B.not as heavy asC.as heavily as D.not as heavily as3.Which country has _ population,China,America or Japan? China,of course.A.biggest B.the mostC.the biggest D.the smallest4._ is the Nile? Its 6671 kilometers long.A.How long B.How farC.How deep D.How high5.As _ as I can see,there are no mistakes.A.long B.far C.soon D.quicklyHomework Recite the passage in 2d and remember important words as well as phrases. 板书设计Unit 7What is the highest mountain in the world?The First PeriodSection A (1a2d) as far as I know feel free Qomolangma is higher than any other mountain in the world. China has the biggest population in the world. China is almost as big as the US. As far as I know,there are no other man-made objects as big as this.教学反思： The Second PeriodSection A (3a3c) I.Teaching aims 1.Key words:achievement,thick,include,condition,succeed,achieve,force,nature 2.Key phrases:run along,take in,in the face of,even though 3.Important sentences： The Himalayas run along the southwestern part of China. Thick clouds cover the top and snow can fall very hard. Even more serious difficulties include freezing weather conditions and heavy storms. It is also very hard to take in air as you get near the top. People want to challenge themselves in the face of difficulties. The spirit of these climbers shows us that we should never give up trying to achieve our dreams. It also shows that humans can sometimes be stronger than the forces of nature.II.Important points:1.重点短语及句型2.能够概括文章段落大意III.Difficult points:1.重点短语及句型2.能够概括文章段落大意IV.Teaching processStep 1 Lead in(Show the pictures of the Himalayas) Teacher:This is the Himalayas.And it runs along the southwestern part of China.(Show a picture of Qomolangma) Teacher:This is the the highest mountain in the world,and its very dangerous for people to climb.But many people try to climb this mountain.Do you know who has reached the top?What can we learn from the climbers?And what does the spirit of the climbers tell us?Now lets begin our class with these questions and find out the answers from the articleQomolangmathe Most Dangerous Mountain in the World.Step 2 Work on 3a3c1.快速阅读短文,将方框中的三个段落和段意匹配,完成后让学生展示答案,教师点拨。2.认真阅读短文,根据短文内容完成3b中的表格,请几名学生展示答案,完成后教师点拨。3.再次认真阅读短文,用3a中的短语来完成3c中的句子填空,完成后请学生展示答案,教师点拨。4.细心阅读短文,理解每一句话的意思,小组合作解决遇到的疑难问题。教师点拨短文中出现的重点和难点。5.熟读短文,识记并背诵知识要点。Language points 1.辨析so和such so副词,意为“如此”,后跟形容词或副词；such形容词,意为“如此的”,后可跟可数名词或不可数名词。跟可数名词单数时要加不定冠词；如果单数名词前有形容词修饰,such和so都可使用,但词序不同。当名词前有表示数量的词many,much,few,little时,要用so。2. 辨析achieve 和come true achieve实现(理想、愿望、预言等),及物动词,主语一般为人；come true 实现,不及物动词组,一般由物(理想、愿望、预言等)作主语。Exercise单项选择。1.Vines run _ the sides of the road.A.along B.upC.down D.to2.There are ten people in this office _ me.A.includes B.include C.included D.including3.Fish take_oxygen through their gills.A.up B.into C.in D.for4.There are so _ toys in the shop that I cant decide which to buy.A.such B.many C.more D.that5.The policeman showed great bravery _danger.A.in the face B.in the front ofC.in the face of D.beforeHomework Read the passage in 3a and remember important words as well as phrases. 板书设计Unit 7What is the highest mountain in the world?The Second PeriodSection A (3a3c)The Himalayas run along the southwestern part of China.It is also very hard to take in air as you get near the top.People want to challenge themselves in the face of difficulties.The spirit of these climbers shows us that we should never give up trying to achieve our dreams.It also shows that humans can sometimes be stronger than the forces of nature.教学反思： The Third PeriodSection A (Grammar Focus4c) I.Teaching aims 1.Key words:ocean 2.Key phrases:the Pacific Ocean 3.Important sentences： Which is the deepest salt lake in the world? The Caspian Sea is the deepest of all the salt lakes.II.Important points:形容词和副词的比较级III.Difficult points:形容词和副词的比较级IV.Teaching processStep 1 Lead inTeacher:We have learned how to compare things with Comparative and Superlative Forms of Adjectives and Adverbs.Today we will do some practice to remember it well.Step 2 Work on Grammar Focus学生大声朗读Grammar Focus的句子。Step 3 Work on 4a4c 1.认真阅读4a中的句子,然后用方框中所给词的正确形式填空,完成后小组内互相交流答案。2.熟读4a中的句子,然后小组内总结比较级和最高级的用法及常用句型。3.认真阅读4b中的句子,然后仿照4b的形式根据所给出的提示来写出两组比较的句子,完成后小组内互相交流答案。4.运用比较级和最高级写出5个问句,然后向你的搭档提问你所写出的问题。Language points比较级的变化规则比较等级要变化，一般词尾加-er。词尾若有哑音e，直接加r就可以。一辅重读闭音节，辅音字母要双写。辅音字母加y结尾，要把y改i加-er。Exercise一、单项选择。1.It is said that it is _ today than yesterday.Shall we go skating this afternoon?A.the hottest B.hot C.hottest D.hotter2.She looks _ than she does.A.the more older B.very older C.much older D.more older 3.The garden is becoming _.A.more beautiful and more B.more beautiful and beautifulC.more and more beautiful D.beautiful and beautiful 4.They competed to see who could work _.A.the fastest and best B.the faster and the betterC.fastest and better D.faster and better二、汉译英。1.世界上最高的山是什么? 2.珠穆朗玛峰有多高? 3.世界上最深的咸水湖是哪个? 4.你知道中国是世界上最古老的国家之一吗? Homework Practice dialogue withe the sentences in Grammar Focus. 板书设计Unit 7What is the highest mountain in the world?The Third PeriodSection A (Grammar Focus4c)Whats the highest mountain in the world?How high is Qomolangma?Which is the deepest salt lake in the world?Do you know that China is one of the oldest countries in the world?教学反思： The Fourth PeriodSection B (1a1d) I.Teaching aims 1.Key words:weigh,birth,adult 2.Key phrases:at birth 3.Important sentences: The elephant weighs many times more than this panda.II.Important points:1.形容词和副词的比较级和最高级2.数字的表达III.Difficult points:1.形容词和副词的比较级和最高级2.数字的表达IV.Teaching processStep 1 Lead in(Show two pictures to the students.One is a picture of a panda and the other is an elephant.) Teacher:Whats this?Students:Its a panda.Teacher:Whats this?Students:Its an elephant.Teacher:Can you say something about the two animals with Comparative Forms of Adjectives and Adverbs?.Step 2 Work on 1a1d1.认真阅读1a中所给的信息,然后用这些信息仿照给出的例句对大象和熊猫进行比较,邀请几位学生说出自己所想的句子。2.请学生朗读出方框中的数字,教师纠正读音。为听力做好准备。3.听录音,标出所听到的数字,集体核对答案,完成1c。4.再听一遍录音,用正确的数字来补全句子,请学生展示答案。5.再细心听录音并跟读,整体感知对话。6.游戏接龙,根据听力信息或自己熟知的有关熊猫的内容,小组内轮流说出有关熊猫的句子,比一比谁说得多说得好,邀请几组学生来展示。A:A baby panda cannot see.B:An adult panda weighs many times more than a baby panda.Language points 1.比较级的用法“主语比较级than any other .”结构表示主语所描述的事物比其他任何一个都,比较级形式表示最高级含义。若比较范围不同,than后应用“any可数名词的复数形式其他”。2.倍数的表达（1）常用句型：A is . times larger /higher/longer/wider than B. 。还有经常用到的句型：A is . times the size /height/length/width of B.e.g.:The new building is three times the height of the old one.这座新楼比那座旧楼高三倍。(新楼是旧楼的四倍高)（2）A is . times as big /high/long/wide/large as B.e.g.:Asia is four times as large as Europe.亚洲是欧洲的四倍大。(亚洲比欧洲大三倍)Exercise单项选择。1.Jim is funnier than _ in his class.A.any other boy B.any boy C.any other boys D.all the boys2.Which animal do you think runs _, a dog or a rabbit? A rabbit,of course.A.fast B.faster C.fastest D.the fastest3.Why dont you buy this book? Because it is _ of the two books.A.expensive B.more expensiveC.most expensive D.the most expensive4.David jumped the _ in the long jump.He won the game!A.longest B.fastest C.highest D.farthestHomework Practice making sentences with Comparative Form of Adjectives and Adverbs.板书设计Unit 7What is the highest mountain in the world?The Fourth PeriodSection B (1a1d)A baby panda cannot see.An adult panda weighs many times more than a baby panda.教学反思： The Fifth PeriodSection B (2a2e) I.Teaching aims 1.Key words:bamboo,research,keeper,awake,excitement,illness,wild,government 2.Key phrases:die from,every two years,run over,fall over,or so 3.Important sentences： Panda keepers are preparing milk for the baby pandas breakfast. When the babies see the keepers,they run over to them with excitement and some of the young pandas even walk into their friends and fall over. The babies often die from illnesses and do not live very long. Adult pandas spend more than 12 hours a day eating about 10 kilos of bamboo. They send people to schools to tell children about the importance of saving these animals.II.Important points: 1.重点短语和句型 2.掌握略读技巧III.Difficult points:掌握略读技巧IV.Teaching processStep 1 Lead in(Show some pictures of pandas to the students) Teacher:Do you know what they are?Yes,they are pandas.They are very lovely,so many people like them very much.Do you like them?There are only over two thousand pandas in China.We should play a part in saving the animals.Do you want to know what the difficulties are?And how do people protect the animals?If you want to know the answers,lets read the article together.Step 2 Work on 2a2c1.利用方框中的单词两人一组互相谈论熊猫的情况,完成后请几位学生来展示谈论的成果。2.通读2b短文,找出10,1200和2000所代表的含义,请几位学生展示答案,教师点拨。3.再次阅读短文,写出2c中5个问题的答案,完成后小组内交流答案。 4.再次细心阅读短文,理解每一句话的意思,小组合作解决遇到的疑难问题。5.教师点拨短文中出现的重点和难点。6.熟读短文,识记并背诵知识要点。Step 3 Work on 2d2e1.认真阅读课文,用短文中的单词或短语来补全句子,集体核对答案,并大声朗读句子。2.熊猫是我们的国宝,我们每一个人都应该去保护它们。把你的建议和方法写出来,然后小组内交流讨论。Language points1.prepare的用法（1）prepare sth.表示“准备”，后接名词或代词作宾语。（2）prepare sb.sth.表示“给准备”，也可转换为prepare sth. for sb.。（3）prepare sb. for sth.表示“使某人对某事有所准备”。（4）prepare to do sth.表示“准备做”。2.辨析die of与die from“die of ”和“die from”都是“死于”的意思。若死因存在于人体之上或之内(主要指疾病、衰老等自身的原因),一般用介词of,如：die of illness (heart trouble,cancer,a fever,etc.) 死于疾病 (心脏病,癌症,发烧等)。若死因不是存在人体之内或之上,而是由环境造成的(主要指事故等方面的外部原因),一般用介词from,如：die from an earthquake (a traffic accident,a lightning stroke,etc.)死于地震(交通事故,雷击等)。若死因是环境影响到体内,即两方面共有的原因,则用of,from 均可,如：die of a drink (a wound,overwork,starvation,hunger and cold,etc.) 死于饮酒(受伤,劳累过度,饥饿,饥寒等)。但是在实际运用中,两者混用的情况较多。Exercise单项选择。1.She prepared a nice breakfast_ us.A.to B.for C.at D.with2.He couldnt help jumping with _when he heard the good news.A.excitement B.excitedC.exciting D.excite3.My kids spend hours _ on the phone to their friends.A.chat B.to chat C.chatted D.chatting 4.I know the importance _ English,so I work hard at it.A.to learn B.of learnC.for learning D.of learning5.There will be more paper for us to _.A.write in B.write withC.write on D.write toHomework Read the passage in 2b carefully.板书设计Unit 7What is the highest mountain in the world?The Fifth PeriodSection B (2a2e)Panda keepers are preparing milk for the baby pandas breakfast.When the babies see the keepers,they run over to them with excitement and some of the young pandas even walk into their friends and fall over.The babies often die from illnesses and do not live very long.Adult pandas spend more than 12 hours a day eating about 10 kilos of bamboo.They send people to schools to tell children about the importance of saving these animals.教学反思： The Sixth PeriodSection B (3aSelf Check)I.Teaching aims 1.Key words:oil,protection,huge 2.Important sentences： Humans catch whales for meat,fat and oil. Jump high out of the water. Why do some of them have to be protected? How can we protect them?II.Important points:1.重点单词和句型2.形容词的比较级和最高级3.关于鲸的书面表达III.Difficult points:关于鲸的书面表达IV.Teaching processStep 1 Lead inTeacher:Do you know whales?Can you say something about them?Today we will learn something about whales.Step 2 Work on 3a3b1.你了解鲸鱼吗?认真阅读3a中关于鲸鱼的单词和句子,然后将这些单词和句子填写到表格中相对应的问题后面,完成后小组内核对答案。2.根据3a中有关描述鲸鱼的单词和句子以及3b中所给出的句型提示来写一篇关于鲸鱼的文章,并且写出他们为什么需要得到保护,以及人们应该怎样