Unit 4 The Internet Connects Us-Lesson 20 A Computer Helps!-ppt课件-(含教案+素材)-市级公开课-冀教版八年级下册英语(编号：11a29).zip

1、第第 1921 课词语辨析课词语辨析 enter；enter intoenter 表示“进入”一个具体处所，如房间、场所等，后面无需加介词； 也可表“进入”(=go into)某个时期或阶段；当表示加入某个组织而成为其成员时，enter 相当于 join。 如：She entered the house. 她走进那间屋子。 （不用 into）He entered the army last year. 他去年参军了。Now China is entering a new stage of development. 现在中国正在进入一个新的发展阶段。enter into“着手处理，开始讨论，积极

2、参加” ，后接抽象名词，主要表示“进入”某种状态。一般用于表抽象和借喻的意义。如：The two old men entered into a long conversation. 两位老人开始长谈起来。sell, sale sell 和 sale 都有“出售；卖出”之意。二者词性不同,在句中的作用也不同。sell 是动词, 常在句中作谓语。如：They sell basketballs for 60 yuan each. 他们的篮球每个卖 60 元。sale 是名词，常用于词组：on sale 出售；卖出；廉价卖出；for sale 出售；待售。如：The green shorts are

3、on sale for $25. 这些绿色的短裤卖 25 美元。Is the house for sale? 此屋出售吗？ 冀教版八年级冀教版八年级英语下册第四单元英语下册第四单元 Lesson20Lesson20A A ComputerComputer Helps!Helps!ThinkThink AboutAbout It It ! !WhatWhat dodo youyou knowknow aboutabout Easter?Easter?A computer helps !复活节复活节 SomeSome informationinformation aboutabout Easter

4、Easter onon thethe InternetInternet （Easter）简介简介 复活节是现今复活节是现今基督教基督教徒的重要节日之一，徒的重要节日之一，定在每年春分月圆之后第一个星期日。定在每年春分月圆之后第一个星期日。复活复活节中最具代表性的吉祥物就是彩蛋和兔子了节中最具代表性的吉祥物就是彩蛋和兔子了，古人常把蛋视为多子多孙和复活的象征，古人常把蛋视为多子多孙和复活的象征。 复活节的传统食品是肉食，主要有羊肉和复活节的传统食品是肉食，主要有羊肉和火腿。它们都具有一定的涵义。火腿。它们都具有一定的涵义。 DoDo youyou oftenoften searchsearch

5、forfor informationinformation onon thethe Internet?Internet? enter some key words into a search engine to find 输输输输入入入输入 关键关键搜索引擎搜索引擎How ?Easter eggsChocolate eggsEaster Bunnyhide the egghidehide hid-hiddenhid-hidden隐藏隐藏LetsLets readread thethe lesson!lesson!lReading Task1Read the lesson and write t

6、rue(T) or false (F)1.Easter is the most important holiday in Western culture.2.Easter falls on different days because of the sun.3.Chinese people celebrate the Spring Festival with their family and friends.4.Easter is always in March or April.5.Rabbits and eggs represent happiness and family get-tog

7、ethers.6.Western children think chocolate eggs are brought and hidden by the Easter Bunny.lReading Task2Read the lesson fill in the blanks. Easter is an important _ . It does not fall on the same day each year. Children believe that the Easter Bunny comes and_ chocolate eggs for them to find. Rabbit

8、 and eggs are both _ of new life. That means Easter is a way to welcome spring .Most people _ Easter with their family and friends.Reading task3ListenListen carefullycarefully ! !lDifficult points The date depends on the moon, but its always in March or April. 复活节不总是每年的同复活节不总是每年的同一天。日期要一天。日期要取决于取决于月

9、球，但它总是在三月或四月月球，但它总是在三月或四月。depend on是固定短语，意为是固定短语，意为“依赖；取决依赖；取决于；随于；随.而定而定”。depend表示表示“依靠；依赖；依靠；依赖；指望指望”，接宾语时与，接宾语时与on或或upon连用。连用。eg1：I depend on them deeply.我深深地在依靠它们。我深深地在依靠它们。Eg2: She can depend on her friend in case she ever becomes homeless. 如果有一天她无家可归了，她可以依靠她的朋友如果有一天她无家可归了，她可以依靠她的朋友。lPractice!P

10、ractice!I. I. 选择所给词的适当形式填空。选择所给词的适当形式填空。 enter,enter, dependdepend on,on, laptop,laptop, key,key, hidehide 1. A _ is a small computer that can be easily carried.2. Whether to go there or not _ the weather.3. The _ point of this article is to use the Internet properly. 4. The poor boy wishes _ a coll

11、ege someday.5. The children are playing _ -and-seek in the yard. II.II. 选择最佳答案。选择最佳答案。1._more information about the weather, call 121. A. Find B. To find C. Finding2.Beijing,the capital city of China, is one of the_ in China.A. bigger cities B. biggest city C. biggest cities3.Were asked to do it _ .

12、 We need to follow the steps.A. in this way B. on the way C. by the way 4.He decided _ to the mountains because it was rainy.A. didnt go B. to not go C. not to go 小结小结 NewNew words:words:laptoplaptop , , EasterEaster , , enterenter , , keykey , , topic,topic, dependdepend , , bunnybunny ,hide,hide N

13、ewNew phrases:phrases: dependdepend onon , , searchsearch engine,engine, EasterEaster BunnyBunnyA Teaching Plan Teaching materials: Junior Students Book Unit 4 The Internet Connects Us Lesson20 A Computer Helps!Learning aims: Grasp the Simple Past Tense.Learning important points:Learn more about the

14、 computer.Learning difficult points:Read and master the main idea of the passage.Learning tools: audiotape, flashcards, a computerLearning steps:Step 1. Leading-inLet a few students come to the front and demonstrate how to connect the computer to the Internet. At the same time, explain it in English

15、.Step 2. Thinking about itAsk some students some questions about Easter. Step 3. PresentationShow some pictures to learn the new words and phrasesStep 4. Reading1. Read the lesson and write true(T) or false (F)2. Read the lesson fill in the blanks.3. Read the lesson again and fill in the mapStep 5. Listen to the tape again and imitate after it. Make sure they have the correct pronunciation.Step 6.practice in class1Fill in the blanks with the correct forms.2 Choose the best answer.Step 7. Conclusion of this class Step 7. Homework1. Finish off the exercises in workbook.2. Preview Lesson 21.