英语模块8北师大版unit22学案
英语8北师大版unit22精品导学案(1-2)
英语8北师大版unit22精品导学案（1-2）重点短语探究1、anumberof许多的；大量的英语中表示“许多”的短语可分为三类：修饰可数名词：alarge/great/goodnumberof，agood/greatmany，quiteafew，dozensof,scoresof，manya＋单数可数名词修饰不可数名词：agood/greatdealof，alargeamountof，quitealittle修饰可数或不可数名词：alotof，lotsof，alargequantityof，largequantitiesof，plentyof 1)________________________peopletookpartinthesportsmeetinglastweek.许多人参加了上周的运动会。
2)________________________________factorieshavebeensetupinmyhometown.我的家乡建起了一大批工厂。
3)You'llneed________________couragetositbesidehimwhenheisdriving.他开车的时候，你得有足够的胆量才敢坐在他旁边。
【答案】1)Anumberof/Alotof/Agreatmany2)Agreatnumberof/Alargequantityof3)plentyof/lotso flargequantitiesof,alargequantityof既能够修饰可数名词，又能够修饰不可数名词。
然而，当largequantitiesof＋名词作主语时，谓语动词用复数形式；alargequantityof＋名词作主语时，谓语动词用单数形式。
Quantitiesoffoodareonthetable.桌子上有大量的食物。
Thereisalargequantityofbooksinthecorner.大批的书堆在角落里。
高中英语北师大版模块8【教学设计】Unit 22 Lesson 3
Unit 22ENVIRONMENTAL PROTECTIONLesson 3 Natural DisastersThis unit is about environment.Natural Disasters is the last lesson ofUnit 22. It discusses environmental problems.【知识与能力目标】1. To practice reading strategies to complete texts with sentence gaps.2. To talk about disasters with the help of the learnt vocabulary about/concerning natural disasters.【过程与方法目标】To help the students improve their reading and speaking abilities.【情感态度价值观目标】To make the students the real masters in class and develop the students' awareness of self-learning. 【教学重点】1. To help the students learn and master some useful words and phrases.2. To help the students improve their reading and speaking abilities by scanning and skimming.【教学难点】To practice justifying arguments..Tape recorder, MultimediaStep 1: Lead inShow some pictures. And prepare active vocabulary for learning the passage.1.grand adj big and very impressive巨大的2.scale n the size or level of sth规模，大小3.separation n the condition of being separated分离，分开.4.rough adj unpleasant or difficult艰难的5.mountainous adj having many mountains多山的6.slip v fall off 滑落7.slide v to move smoothly over a surface滑行ndslide n sudden fall of a lot of earth or rocks down a hill, cliff 滑坡，山崩9.shabby adj old and in bad condition 破烂的10.construct v build 建造Step 2: TaskLearn more about Natural Disasters and their causesBesides earthquake, there are many natural disasters, can you name some?Look the pictures and answer what kind of disaster is it?Then read aloud and memorize themFurther Exploration: What do you think causes the disasters, people or nature? Check your predictionStep3 Reading1.Read the text to get general idea.Natural disasters are getting worse because of human activities.2.Read a paragraph with a sentence gap and identify the topic, e.g disasters .3.Read the text again and answer these questions.1). What is the attitude of the journalist towards the future ?Pessimistic.2). Who are most likely to be the victims of natural disasters?Poor people.3). Why are there now more hurricanes, floods and droughts ?Overpopulation and industrialization.4). Why are volcanoes and earthquakes more dangerous now ?。
北师大版高中英语选修8 Unit22 Communication Workshop参考教案
Unit22 Communication Workshop参考教案Teaching aims1. Words and phrases2. Listening: a radio interview3. Writing: a report4. Practising using formal linkers and synonyms5. Finishing the exercises about the textTeaching timeTwo periodsTeaching processStep 1 Revision1. Dictation2. Check the homework exerciseStep 2 New words learningStep 3 ListeningExercise 11. Discuss the pictures and ask students to describe each picture.2. Students work in pairs, discuss the question:What is noise pollution?Exercise 21. First tell students a bad experience with noise.2. Students work in pairs and discuss their experiences with noise.3. A sk some students to tell the class their partner’s bad experiences with noise. Exercise 31. Give students time to read the sentences and predict the kind of information that is missing.2. Then play the tape twice or more.3. Students complete the notes and then check their answers.Exercise 41. Read the three topics to the class and tell students to focus on taking notes on these three topics.2. Play the second part of the radio program twice for students to listen and take notes.3. Then students work in pairs and compare their notes.Step 4 Writing: a reportExercise 11. Read out the heading to the class2. Ask students to read the report quickly and match sections with these headings. Exercise 21. Give students time to do the exercise individually.2. Check their answers.Exercise 3Students do the exercise in pairs then check their answersExercise 41. Read the instructions to the class and check that students understand what to do.2. Students do the exercise by themselves.3. Ask some students to write their answers on the blackboard4. Check their answers.Step 5 Speaking: Discussing photosExercise 11. Read through the opinions first2. Play the cassette and let students do the exerciseExercise 21. Let students read through the expressions first.2. Play the cassette again3. Students do the exercise and then check their answersExercise 31. Students do the exercise in pairs2. Check their answers。
北师大版高中英语选修8 Unit22 Lesson2 Endangered Species参考教案
Unit22 Lesson 2 Endangered Species参考教案Teaching aims1.Words and phrases：2. Listening: a lecture and a dialogue and take notes3. To practise justifying arguments.Teaching timeTwo periods(两课时连堂)Teaching processStep 1 RevisionReview the new words of last lessonStep 2 Learn the new wordsStep 3 Listening1. Before you starta) Exercise 1: Match the names of the endangered species with the pictures.Ask students to look at the pictures and do the exercise individually.Then go through the pictures and check answers.b) Exercise 2Students look at the words and explain the meaning of the words.Then do the exercise on the blackboard.2. Listen to learna) Ask students to look at the listening strategies and review them together.b) Listen to the tape, do exercise 3. Let students write some notes.c) Exercise 4: Students work in pairs and use their notes to make sentences in turn.d) Check their answers.e) Exercise 5: Have a few pairs of students compare their notes. Let them tell the most important information that they got from the lecture.f) Exercise 6.play the tape, ask the students to complete the fact files, then go through the fact files with the class.Step 4 VocabularyExercise 7Ask students to do the exercise individually and then check their answersStep 5 Pronunciation1. Exercise 8: Play the cassette again. Ask students to pay attention to compound words.2. Ask them to read out the compound words they heard.3. Exercise 9: Listen to the dialogue and complete the function file with these expressions.4. Play the cassette and do the exercise, then ask students to read the sentences.Step 6 Speaking1. Ask students to read the information in exercise 10.2. Go through the key words with students in exercise 11. Ask students to note down their priorities and solutions to the problems.Step 7 HomeworkExercise 2 in page 54。
北师大版高中英语选修8 Unit22 Lesson1参考学案(第二课时)
Unit 22 Lesson 1参考学案（第二课时）Lesson 1 Global WarmingCan we take the heat?(2)Green Cities – Plan for the Planet!营造绿色城市，呵护地球家园！Learning aims:A: Learn and recite the new words in lesson 1.B: Keep the important words, phrases in mind.C,D: Have the detailed information by reading the passageImportant and difficult point:How to understand the passage thoroughly.Step I 词汇回顾（A级）Step II Language points.(B,C级)Para 21. Global warming refers to an average increase in the Earth’s temperature that, in turn, leads to climate change.译文本句是主从复合句，that引导从句，修饰。
refer to lead to 两个to 都是词。
in turn【链接】in return 作为回报by turns 轮流，依次It’s one’s turn to do sth. 轮到某人做某事。
take turns to do sth.= take turns doing sth.= do sth. by turns 轮流做某事【经典回放】The president spoke at the business meeting for nearly an hour withouthis notes.A. bringing upB. referring toC. looking forD. trying toA clean environment can help the city bid for the Olympic, whichwill promote its economic development.A. in natureB. in teturnC. in turnD. in factWe firmly believe that war never settles anything. It only violence.A. runs intoB. comes fromC. leads toD. begins with2. Without these naturally occurring gases, the sun’s rays back into space leaving the Earth cold and impossible to live on.译文【句法分析】本句为without引出的含蓄虚拟条件句，与相反；leaving...为现在分词短语作(A 定语B状语)———含蓄虚拟条件句虚拟的条件不一定总是用if引导，有时可以用一下表达：①介词（短语）with, without, under, but for等Plants would die without water on the earth.②连词or, but或otherwiseHe would have given you more help, but he was too busy.③不定式短语作状语He would be stupid not to accept that offer.④分词短语This asme thing, happening in wartime,would amount to a disaster.【经典回放】But for the help of my English teacher, I the first prize in the English Writing Competition.A. would not winB. would not have wonC. would winD. would have wonA small plane crashed into hillside five miles east of the city, all four people on board.A. killedB. killingC. killsD. to killPara 31. Over the last 100 years, the global average temperature has increased by 1°F and。
北师大版高中英语选修8 Unit22 复习参考学案1
Unit22 复习参考学案1Reviewing LessonTips：You’ll get what you want with an aim in your mind.Reviewing Aims:1.lmportant words and phrases.2.lmportant sentences .3.Grammar of this unit .prehension Exercise.Reviewing lmportant points:1.lmportant words and phrases.2.lmportant sentenes.Reviewing Difficult Points:1.Grammar of this unit.prehension Exercise.Learning Procedure:StepI:Words﹝A﹞1.危害＿＿_2.超出＿＿3.威胁＿＿4.代表＿＿5.实施＿＿6.武装＿＿7.建造＿＿8.采用＿＿9.成熟的＿＿StepII Phrases ﹝B﹞1.____one’s control超出…的控制2.look____展望未来3.call_____要求；需要4.be harmful____对…有伤害5.______risk在冒险6.speed_____加速7.refer_____提及,谈到8._______turn转而，轮流9.slow_______减缓10.______action采取行动11.______all毕竟12.switch______关闭13.rely______依靠14._______animals濒临动物15.greenhouse_______温室效应16.ahead______在…前面17.apart_______处…以外18._______fo u…对…负责19.call______an end______sth.要求结束…20.________else否则，不然21.wrap_______结束22.________sd’s behalf代表某人23.________good永远24.carry_______夺走25.all_________all总的来说26._________danger_______extinction濒临灭绝27.in_______另外，加之28.be home________…是…的原产地29.result_______导致30.earn one’s________谋生31.wipe________抹掉，32.________from从…中康复33.get_____克服﹝困难﹞；﹝从病中﹞恢复34.turn________sb.袭击某35.within the _________o f…范围内36.__________adnnce预先，提前37.at_______times随时38._______risk处于危险中，冒险39.________some degree在某种程度上40.be_________with sth.用……来武装StepIII Sentences﹝B﹞1.________,scientists believe that global warming could be one of the biggest environmental problems ________the 21st century.2.________these naturally occurring gases, the sun’s rays would bounce back into space________the Earth cold and impossible to live on .3.Storms have been _________the US,and Central America.StepⅣ Choose the best answers ﹝C﹞1._________the claim about German economic might,it is somewhat surprising how relatively small the German economy actually is.A.To giveB.GivenC.GivingD.Having given2.The man insisted_________a taxi for me even though I told him I lived nearby.。
北师大版高中英语选修模块八 Unit22 Lesson3学案(第二课时)-新版
Unit22 Lesson 3学案（第二课时）Lesson 3 Natural DisastersTips: Only one earth, share and care.Learning aims:A: Learn and recite the new words in Lesson 3B:Learn and recite the phrases in Lesson 3.C:Using the language points.Learning important and difficult point:Using the language points.StepⅠ背记下列单词。
(A级)1.方法n.________2.建造v.__________3.破烂的adj._________4.黏土n.________5.砖块n.________6.滑落vi.____________7.滑行vi.________8.多山的adj._________9.咆哮vi.__________ 10.逃走vi.&vt.______ 11.尘土n.________ 12.滚动vi.________ 13.潜在的可能性n.________StepⅡRead Passage C ---Passage E and answer the questions.(C级) Why is nature beginning to turn on us?_____________________________________________________2.What could be the biggest threat to the planet in the future?_____________________________________________________ What effects might this threat have?_____________________________________________________ StepⅢLanguage points from Passage C to Passage E. (B级)★ Passage C【本段短语归纳】※ the population of __________ ※ at the disturbing rate of ________※ the developing world________※ the developed world_______※ earn one's living___________ ※ fall down ________※ on top of ________ ※amounts of _________※as a result___________【本段重点句子】1. 大西洋飓风--它们咆哮的风速超过每小时300千米--比30年前的强度增加了40%。
【教学设计】Unit 8 Lesson 22(北师大)
Unit 8 DiscoveriesLesson 21 Famous DiscoveriesLesson 22是一节阅读课，涉及的话题是Famous discovery。
第一发现是抗生素，它在现实生活中作用比较大，但要注意适当使用。
第二发现是DNA，文本中介绍了它的架构，同时通过这个我们可以获知孩子从父母那遗传了哪些基因，同时也能在医学界可以帮助治疗很多疾病。
第三个发现是X光射线，介绍了它的发明人及它的作用，在生活中人们把它用到了各行各业中。
通过文本学习，使学生了解这些方面的知识，在生活中能够解决一些小问题。
【知识目标】通过对文本的理解与参与活动1，感知条件状语从句的意义。
【能力目标】通过阅读文本，表达出这些发现在现实生活中的所起的作用，了解一些简单的医学常识。
【情感目标】通过本节课的学习，使学生了解到需要长久不懈的努力和坚持，才能有所发现，有所成就。
、【教学重点】通过阅读文本，获取有关three discoveries的名称、发明人及用途等基本信息。
【教学难点】运用所学内容，就这些著名发现来谈论它们在现实生活中的所起的作用，了解一些简单的医学常识。
1. 课前准备：调试光盘与课件、给学生分组、为学生布置预习作业等；2. 教具学具：光盘、大卡片等。
Step1. Warm-up1. Let students talk about the astronomic knowledge.2. Let students make a discussion on the astronomic discoveries.What are the people doing in the following pictures?What do you think they are trying to discover?3. Listen to and practice the key words related to discovery.chemistry, do experiments, electricity, health, lab, machine, observe, physics, research, space, technology4. Take a look at pictures and learn famous discoverer.Step2. Reading1. Look the photos of figures who made the three discoveries and introduce their discoveries.2. Read and find the name of the picture A, B and C and make sure whether your match is right or not.3. Let students find out when these discoveries took place. Write the correct years.。
北师大版高中英语选修模块八 Unit22 Lesson1 Global Warming教案-新版
Unit22 Lesson 1 Global Warming教案Teaching aims:By the end of this lesson, students will1.have a better understanding of what global warming is2.know the serious consequences that global warming may cause3.realize the importance that we need to take actionTeaching methods:Prediction, pair work, fast reading, careful reading, group discussionTeaching aids:Some slides, a projector, a computerTeaching procedures:Step 1 pre-reading1. Lead- inUse some cartoons to lead to the topic--- Global Warming.Ask students how much information they know about global warming and which countries contribute more to global warming: developed countries or developing countries.2. PredictionEnable students to consider what they will talk about if they are to write a passage entitled “global warming”.3. Sub-title explanationWork out the meaning of the word “take”.Step 2 While-reading1.First reading (pair work)Go through the text quickly and grasp the general idea of each paragraph.2.Second readingRead the text carefully and answer the following six questions.1 What is global warming?2What’s the use of carbon dioxide according to the text?3 By how much has the global average temperature increased in the last 100 years?4 What human activities are causing global warming?5 What consequences will global warming cause?6 How can each of us help solve the problem of global warming?Step 3 Post-reading1. Listening (Listen to strengthen understanding)2. Blanks filling. Students are asked to fill in the blanks with some key words to retell the text. Step 4 Group discussionWhat’s your attitude towards plastic bags banning?What can we use without these free plastic bags?Step5 SummaryWhat do we learn from today’s lesson?What will we do to protect our environment in our daily life?Step 6 Homework1.Finish Exercise 5 on page 72.Preview Grammar--- Reporting。
英语8北师大版unit22精品导学案(1-3)
英语8北师大版unit22精品导学案（1-3）重点句型探究1、Inthelastfewdecades,scientistshavereachedconsensusandreportedthathumanbeingsar ecausingchangesintheEarth'sclimate—somethingpreviouslyseenasbeyondseenasbeyondourcontrol.最近几十年科学家们差不多达成了共识，据他们报道人类活动引起了地球气候的变化，这是在往常我们不能操纵的。
“inthelast(past)＋一段时间”，句子要用现在完成时。
see...as视为；考虑可同意；认为see＋n.＋as＋n.认为……(宾语补足语)see＋n.＋(being)＋adj.认为……(宾语补足语)beseenas＋(being)＋n./adj.(主语补足语)【仿写】在过去的几年里，我的家乡发生了巨大的变化。
____________________________________________【答案】Inthepastfewyears,greatchangeshavetakenplaceinmyhometown.1)________________________________________，hehasdonealotofworktomakealiving.在过去的两年里，他为了谋生做了特别多工作。
2)I________thejob________achallenge.我视工作为一项挑战。
3)Thepeacetalks________________________asignofhope.和平会谈意味着有盼望。
【答案】1)Inthelasttwoyears2)see;as3)areseenas(1)完成句子Thistypeofworkisoften________________boring.这类工作总被看做是令人厌烦的。
北师大版高二英语必修8_Unit22_Lesson1参考学案(第一课时)
Unit22 Lesson1参考学案（第一课时）Lesson1—Global WarmingCan we take the heat?(1)Common sense:Global warming means an average increase inthe Earth’s temperature which leads to climate change.Learning aims(学习目标):A(层次): Learn and recite the new words in Lesson 1B:①Keep the important words,phrases in mind②Know a little about the topic--- Global WarmingC,D:Have a konwledge the detailed information by the reading StrategiesDevelop the habit of protecting our environment.Important and difficult point:How to understand the passage(学习重点、难点) thoroughly.StepⅠ本课单词检测.(A级)_________________________________________________________ _________________________________________________________ StepⅡBefore reading--lead in.(B级)Which countries do you think contribute more to global warming?a)developed countries b)developing countriesAnd why?_________________________________________________________ _________________________________________________________ StepⅢFast Reading:Read & match the headings. (B级)Dra w readers’attention Para.1What we can do Para.2What is global warming. Para.3Consequences of global warming. Para.4Causes of global warming Para.5StepⅣRead each paragraph carefully and then fill the detailed information. (C级)StepⅤLanguage points.(C级)Para.1consensus(汉意：) and reported that human beings are causing changes in theEarth’s climate---something previously seen as beyond our control.汉译:_____________________________________________________________________________________________________________①总结:in the last+时间段,表示“在过去的…”,做时间状语时,常与______________(时态)连用.②seen as是过去分词短语做____语,修饰______.seen as的基本形式是see sb./sth. as,意为___________汉译英:我把她看做是我做好的朋友________________________类似的短语有:_____________________________________③beyond one’s control____________________2)They claim that in the last 50 years,gases pumped into the Earth’s atmosphere by the factories and vehicles________________(speed up) the process of global warming and affecting our climate.汉译:_____________________________________________________________________________________________________________①pumped into是过去分词做________语,意为_______________②speed up____________3)_______(look) ahead,scientists believe that global warming could be one of the biggest environmental problems facing the 21st century.汉译:_____________________________________________________facing 是现在分词做_______语,修饰_____;可换成定语从句____________.在本句中意为______________汉译英:他转过身来面对她______________4)But what exactly is the global warming,why is it seen as a danger,and how is it relevant to our lives?汉译:_____________________________________________________it都指代_____be relevant to______________StepⅥ阅读理解(C级)Where could you find radioactivity today? For one thing, as Pierreand Marie hoped, doctors can use radioactivity to treat cancer.Radiation therapy（疗法）can treat life-threatening tumors. Doctor know how to use beams of radiation to destroy unhealthy cells in the body. They also know how to protect patients and themselves from harm as they use these radioactive beams. Scientists use radiocarbon dating to find out how old a mammoth’s tooth （猛犸象) is. Radiocarbon dating is one method that tell us the age of some fossils.（化石）Scientists measure the amount of carbon-14 in a fossil to figure out how long ago the plant or animal died.Some food is preserved with radiation. some people worry that this process may not be safe. They wonder if it changes the food. Studies are being done to try to find answers. As in every good science process, the debate continues.1. Which one is not true about radiation? ( )A. Radioactivity can be used in many ways.B. With radiocarbon dating, we could know the possible year when a dinosaur died billions of years ago.C. Radioactivity could make contribution to people though it is dangerous.D. Food preserved with radiation may not be safe because it is changed by radiation.2.Choose the meaning of the underlined word. tumors. ( )A. medicineB. illnessC. cancerD. cells3.The best title for this passage should be ________.( )A. The many uses of RadioactivityB. Radioactivity and cancerC. Radiocarbon datingD. Radiation is harmful.小结与反思:_______________________________________________。
高中英语 Unit 22 Environmental Protection学案 北师大版选修8
高中英语 Unit 22 EnvironmentalProtection学案北师大版选修8Protection（北师大版选修模块8）Words and expressions1、amusementn、 something that gives people fun or pleasure文娱活动Big cities have theatres, films, basketball matches and many other amusements、大城市有戏剧、电影、篮球比赛以及许多其他的娱乐活动。
n、 smiling and laughing娱乐；消遣His chief amusement is reading novels、他的主要消遣是看小说。
2、coastern、惯性运动装置3、roller coaster n、[c] (游乐场等的)云霄飞车(=switchback英)4、bungee[XbVndjI] n、蹦极；跳簧；橡皮筋bungee jumping 蹦极跳5、free-fall ride 自由落体车乘6、creekn、小河；小溪7、souvenirn、 something that one buys or gives because it will bring memories纪念礼物；纪念品He brought back a cowboy hat as a souvenir of America、他带回一顶牛仔帽作为访问美国的纪念。
8、giantn、 a man of very great size and strength 巨人The great socialist China has towered like a giant in the East、伟大的社会主义中国像巨人一般屹立在东方。
adj、 very big 巨大的There are two giant pandas in the zoo、在动物园里有两只大熊猫。
北师大版高中英语选修8 Unit22 Language Awareness参考学案
Unit 22 Language Awareness参考学案Language Awareness -Wrapped upTips: Life is not all roses.人生并不是康庄大道。
Learning aims:1).Read and understand the passage in general (B,C级)2).Get aware of the passive and practise using in situations.（D级）Learning important and difficult point:How to use the passive in situations.Learning Procedures:Step I Dictation of the words and phrases in lesson 3.（A级）Step II Read the article and then answer questions.（C级）1. How long do you think it took to make them?2. What materials are they made of?3. Why do you think they were made?Step III Language points（B，C级）1. Many people thought that permission wouldn’t be given.译文：that 引导的是从句.permission n. →permit v.permit doing sth 允许做某事permit sb. to do sth 允许某人做某事time/weather permitting 时间/天气允许的话2. However, his work still tends to be criticised.译文：Criticese 与his work 之间是（A 主谓B动宾）关系，所以用被动形式be criticised .tend to do sth. 有做某事的倾向tend to/towards sth. 倾向于（to 为介词）criticise sb for sth. 因某事而指责某人criticise sth. 评论某事3. What’s the point of it all?译文：Step IV Grammar——The Passive(被动语态)1. Read the text again and underline the sentences in passive.2. Match the reasons for using the passive (a-c) with the sentences(1-3) from the text①All these projects have been managed by the Bulgarian.②His projects are financed by the sale of his drawings through galleries and the Internet.③The whole gang was arrested yesterday.a) to focus on the action rather than the doer. ( )b) to put special emphasis on the doer. ( )c) to avoid having a long subject in an active sentence. ( )3. 被动语态的构成是助动词be+过去分词:eg. Compass was first invented in China.They really have been poorly paid.Practice (C级)。
北师大版英语九年级Unit 8 Discoveries Lesson 22 Famous Disco
北师大版英语九年级Unit 8 Discoveries Lesson 22 Famous Discoveries 第二课时教学设计一. 教材分析北师大版英语九年级Unit 8 Discoveries Lesson 22 Famous Discoveries 第二课时主要讲述了历史上的一些重大发现。
本课时的主要内容是学习关于这些发现的相关词汇和短语，并能够运用所学的知识进行简单的交流。
教材通过介绍这些重大发现，让学生了解人类历史的发展和科技的进步，培养学生的英语素养。
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、说、读、写一些简单的英语句子。
但是，对于一些专业的科技词汇和表达，学生可能还比较陌生。
因此，在教学过程中，教师需要帮助学生掌握这些词汇和短语，并能够熟练运用。
同时，学生对于历史上的重大发现可能了解不多，教师需要在课堂上进行适当的补充。
三. 教学目标1.知识目标：学生能够掌握本课时的关键词汇和短语，了解历史上的一些重大发现。
2.能力目标：学生能够运用所学的知识进行简单的交流，提高英语口语表达能力。
3.情感目标：学生通过学习，了解人类历史的发展和科技的进步，培养对科学的热爱和探索精神。
四. 教学重难点1.重点：学生能够掌握本课时的关键词汇和短语，了解历史上的一些重大发现。
2.难点：学生能够运用所学的知识进行简单的交流，提高英语口语表达能力。
五. 教学方法1.情境教学法：通过设定相关的情境，让学生在实际环境中运用所学的知识。
2.互动教学法：教师与学生进行互动，引导学生主动参与课堂讨论。
3.任务型教学法：学生通过完成相关任务，提高英语实际运用能力。
六. 教学准备1.教材：北师大版英语九年级Unit 8 Discoveries Lesson 22 Famous Discoveries2.课件：教师自己制作相关课件，包括图片、视频等资料。
3.练习题：教师根据本课时内容，设计一些练习题，用于巩固所学知识。
Unit 22 The Tenth Period Language Awareness 教学设计-优质公开课-北师大选修8精品
Unit 22 The Tenth Period教学案Teaching goals 教学目标To revise and practice using the passive1．Ability goals 能力目标Enable the Students to use the passive.2．Learning ability goals 学能目标Help the students learn how to use the passive.Teaching important points教学重点Passive gerund，passive infinitive，passive perfect infinitiveTeaching difficult points教学难点How to use the structure freelyTeaching methods教学方法Reading，speaking，discussing and writingTeaching aids 教具准备Multi-computerTeaching procedures & ways 过程与方式Step I RevisionCheck the homeworkT: Yesterday we learned the stages to write a report. Who would like to say the stages and read your report to us？...Step II Lead inT: OK. Now look at the photo？Do you know who they are？Show the following on the PowerPoint.Christo and Jeanne-Claude(born June 13，1935，Gabrovo，Bulg.) Bulgarian-born U.S. environmental artist. After attending Sofia's Fine Arts Academy，he moved to Paris in 1958，where he began exhibiting his works with the nouveaux realists. His earliest sculptures were composed of cans and bottles，many of which were wrapped in paper，plastic，or fabric. He eventually expanded his projects to include buildings and landscapes. In 1964 he moved to New York City. Christo is noted for such monumental outdoor projects as Valley Curtain (1972) in Rifle Gap，Colo.，and Running Fence (1976) in Marin and Sonoma counties，Calif. In 1995 he wrapped the Berlin Reichstag in metallic silver fabric. The Gates，Central Park，New York City，1979–2005 (2005) featured 7，503 steel gates stretched across 23 miles (37 km) of walkway in Central Park. The gates stood 16 feet (5 metres) high and were decorated with saffron-coloured cloth panels. Though his displays，which are temporary and involve hundreds of workers，are controversial among environmentalists，they have been critically well received. Since 1961 most have been collaborative efforts with his wife，Jeanne-Claude (b. 1935).Step III Language Awareness 7Wrapped UpAsk students to read the text first. Then ask them to try to answer the questions in Ex1. If students have the class in a room with Internet access，ask students to find the information about the two projects. If students don’t have access to Internet，Teacher may print the following out as handout.Pink woven polypropylene fabric floating around eleven islands: 585，000 square meters (6.5 million square feet).Duration: 14 days.Surrounded Islands，Biscayne Bay，Miami，Florida，1980-83Christo and Jeanne-ClaudeOn May 7，1983 the installation of Surrounded Islands was completed. In Biscayne Bay，between the city of Miami，North Miami，the Village of Miami Shores and Miami Beach，11 of the islands situated in the area of Bakers Haulover Cut，Broad Causeway，79th Street Causeway，Julia Tuttle Causeway，and Venetian Causeway were surrounded with 585，000 square meters (6.5 million square feet) of pink woven polypropylene fabric covering the surface of the water，floating and extending out 61 meters (200 feet) from each island into the Bay. The fabric was sewn into 79 patterns to follow the contours of the 11 islands.For 2 weeks Surrounded Islands spreading over 11.3 kilometers (7 miles) was seen，approached and enjoyed by the public，from the causeways (堤道) the land，the water and the air. The luminous (发光的，发亮的) pink color of the shiny fabric was in harmony with the tropical vegetation of the uninhabited verdant island，the light of the Miami sky and the colors of the shallow waters of Biscayne Bay.Since April 1981，attorneys Joseph Z. Fleming，Joseph W. Landers，marine biologist Dr. Anitra Thorhaug，ornithologists Dr. Oscar Owre and Meri Cummings，mammal expert Dr. Daniel Odell，marine engineer John Michel，4 consulting engineers，and builder-contractor，Ted Dougherty of A and H Builders，Inc. had been working on the preparation of the Surrounded Islands. The marine and land crews picked up debris from the eleven islands，putting refuse in bags and carting it away after they had removed some forty tons of varied garbage: refrigerator doors，tires，kitchen sinks，mattresses and an abandoned boat.From November 1982 until April 1983，6，500，000 square feet of woven polypropylene fabric were sewn at the rented Hialeah factory，into 79 different patterns to follow the contours of the 11 islands. A flotation strip was sewn in each seam. At the Opa Locka Blimp Hangar，the sewn sections were accordion folded to ease the unfurling on the water.The outer edge of the floating fabric was attached to a 30.5 centimeter (12 inch) diameter octagonal boom，in sections，of the same color as the fabric. The boom was connected to the radial anchor lines which extended from the anchors at the island to the 610 specially made anchors，spaced at 15.3 meter (50 foot) intervals，76 meters (250 feet) beyond the perimeter of each island，driven into the limestone at the bottom of the Bay. Earth anchors were driven into the land，near the foot of the trees，to secure the inland edge of the fabric，covering the surface of the beach and disappearing under the vegetation.The floating rafts of fabric and booms，varying from 3.7 to 6.7 meters (12 to 22 feet) in width and from 122 to 183 meters (400 to 600 feet) in length were towed through the Bay to each island. There were 11 islands，but on two occasions，two islands were surrounded together as one configuration.As with Christo and Jeanne-Claude's previous art projects，Surrounded Islands was entirely financed by the artists，through the sale by C.V.J. Corporation (Jeanne-Claude Christo-Javacheff，President) of the preparatory pastel and charcoal drawings，collages，lithographs and early works.On May 4，1983，out of a total work force of 430，the unfurling crew began to blossom the pink fabric. Surrounded Islands was tended day and night by 120 monitors in inflatable boats. Surrounded Islands was a work of art which underlined the various elements and ways in which the people of Miami live，between land and water.Wrapped Reichstag®，Berlin 1971-95After a struggle spanning through the Seventies，Eighties and Nineties，the wrapping of the Reichstag was completed on June 24th，1995 by a work force of 90 professional climbers and 120 installation workers. The Reichstag remained wrapped for 14 days and all materials were recycled.Ten companies in Germany started in September 1994 to manufacture all the various materials according to the specifications of the engineers. During the months of April，May and June 1995，iron workers installed the steel structures on the towers，the roof，the statues and the stone vases to allow the folds of fabric to cascade from the roof down to the ground.100，000 square meters (1，076，000 square feet) of thick woven polypropylene fabric with an aluminum surface and 15，600 meters (51，181 feet) of blue polypropylene rope，diameter 3.2 cm.(1.25？)，were used for the wrapping of the Reichstag. The façades，the towers and the roof were covered by 70 tailor-made fabric panels，twice as much fabric as the surface of the building. The work of art was entirely financed by the artists，as have all their projects，through the sale of preparatory studies，drawings，collages，scale models as well as early works and original lithographs.The artists do not accept sponsorship of any kind.The Wrapped Reichstag represents not only 24 years of efforts in the lives of the artists but alsoyears of team work by its leading members Michael S. Cullen，Wolfgang and Sylvia V olz，and Roland Specker.In Bonn，on February 25，1994，at a plenary session，presided by Prof. Dr. Rita Süssmuth，the German Bundestag (parliament) debated for 70 minutes and voted on the work of art. The result of the roll call vote was: 292 in favor，223 against and 9 abstentions.The Reichstag stands up in an open，strangely metaphysical area，The building has experienced its own continuous changes and perturbations: built in 1894，burned in 1933，almost destroyed in 1945，it was restored in the sixties，but the Reichstag always remained the symbol of Democracy.Throughout the history of art，the use of fabric has been a fascination for artists. From the most ancient times to the present，fabric，forming folds，pleats and draperies，is a significant part of paintings，frescoes，reliefs and sculptures made of wood，stone and bronze. The use of fabric on the Reichstag follows the classical tradition. Fabric，like clothing or skin，is fragile，it translates the unique quality of impermanence.For a period of two weeks，the richness of the silvery fabric，shaped by the blue ropes，created a sumptuous flow of vertical folds highlighting the features and proportions of the imposing structure，revealing the essence of the Reichstag.Deal with Ex1.Ask students to read the article individually and do Ex1. While doing Ex1，students may refer to the above information. Check the answers with the whole class.Suggested answers:1. Surrounded Islands took about three years. The wrapping of the Reichstag took 24 years.2. Fabric，booms，steel and polypropylene ropes.3. For 2 weeks Surrounded Islands spreading over 11.3 kilometers (7 miles) was seen，approached and enjoyed by the public，from the causeways，the land，the water and the air. The Reichstag attracted huge numbers of visitors from around the world.4. It is easier for some to grasp the wrapping concept and refer to their artworks entirely as "wrapping"，but the work is more about altering an environment than wrapping — which is onlyone way to that.Christo and Jeanne-Claude's works are entire environments，whether they are urban or rural. The artists temporarily use one part of the environment. In doing so，we see and perceive the whole environment with new eyes and a new consciousness.The effect is astounding. To be in the presence of one of these artworks is to have your reality rocked. You see things you have never seen before. You also get to see the fabric manifest things that cannot usually be seen，like the wind blowing，or the sun reflecting in ways it had not before.The effect lasts longer than the actual work of art. Years after every physical trace has been removed and the materials recycled，original visitors can still see and feel them in their minds when they return to the sites of the artworks.There is no other way to describe that the feeling of that effect other than to say it is magical. Step IV The PassiveGo over the grammar: The Passive. Ask students to learn Grammar Summary 2，page 100. Then deal with the grammar exercises on Page 15.T: Now discuss the questions in Ex2&3 in groups. From Ex3 we can learn there are three main reasons for using the passive voice in Englishto focus on the action rather than the doerto put special emphasis on the doerto avoid having a long subject in an active sentenceThe following chart includes sentences changed from the active to the passive in the principal tenses.Oftentimes，when a sentence is in passive voice，the "by" phrase is deleted. This is because the doer of the action is understood or unknown. The "by" phrase is only retained (allow to remain in a place or position) when the doer of the action needs to be made clear even though the focus is on the object of the action.Deal with Ex3.Ask students to change the sentences into passive. Use “by ...” only if necessary. Check the answers by having individuals read out the sentences.Deal with Ex4.Ask students to read the sentences with the correct preposition filled in together.Step V HomeworkDo Ex5&6 in their exercise-books.。