Unit3TheEarth教案2

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1、Unit 3 The Earth教案 2一、教学定位：Input-based, 重视阅读理解。Practice-based, 启发学生，归纳语言知识，开展多层次强化综合练习。二、教学目标：语言知识：1.深入学习主阅读篇章的结构以及相关的语言点。2.正确区分可数名词与不可数名词。3.掌握句式There is/are的用法。认读和理解单词。语言技能：1.根据文本内容，寻找信息并完整表达。2.学会可数名词与不可数名词的数量表达形式。阅读要求：1.通过多种形式的阅读活动与任务，帮助学生理解课文。2.指导学生运用一定的阅读理解学习策略，培养一些阅读微技能，如：扫读，获取文章大意；通过构词法或上下文猜测生

2、词大意；推断等。3.指导学生了解以时间顺序为主的记叙文的结构。4.拓展学生的文化背景知识，开阔视野。情感态度：了解地球上环境污染的现状，为减少环境污染尽自己的一份力，树立保护地球的意识。教学重点：正确使用句型There is/are以及可数名词和不可数名词。教学难点：通过句型操练归纳There is与There are 句式的区别。学习策略：培养学生探究学习、合作学习、自主学习的能力。三、教学环节设计：Step1.Leading-in1. Free talk.2. Ask Ss to look at the pictures on page 30 and talk with their par

3、tners. Ask them to finish exercise A1 and A2.Step2.Pre-reading1. Ask Ss to look at the photos and the title of the poster on page 31, then answer the questions (finish exercise B1 on page 30).1) What is the poster about?2) What things are there on Earth?2. Teach Ss some new words by showing some pic

4、tures.3. Vocabulary exercise: Get Ss to finish C1 and C2 on page 32 to consolidate the new words phrases.4. Prediction: Read the first sentence of each paragraph in the article on page 31. Then answer the questions. Step3. While- reading1. First reading: Tell Ss to read the text quickly and find out

5、 the topic sentence, then circle the correct answers(finish exercise D1 on page 33).Tell them this is a way to make predictions about an article. Check the answers.2. Second reading: Read the text again and complete exercise D2 on page 33.Step4.Post-reading1. Discussion(group work):Get Ss to Discuss

6、 in groups: What else do you know about the Earth? Use these two sentence patterns(finish exercise D3).There is/are Some someRetell the text according to the pictures and the clues on the blackboard(group work).Step5.Learning language points:Deal with some useful phrases and expressions in the passa

7、ge. Guide the Ss to learn and use them in their own speaking and writing.1) There are/is2) Some some3）provide sb. with sth. 拓展：provide sth. for sb.4）put.into5) It is +adj.+for sb. to do sth.（对某人来说做某事怎么样）Step6.Grammar Learning -countable and uncountable nouns1. Presentation-ask and answer about the p

8、ictures.Eg1: -What do you see on the table? Two apples, some cakes, two bowls of rice, two cups of water2. Summary-guide the students to summarize the following:可数名词与不可数名词的意义可数名词与不可数名词的用法不可数名词的分类归纳 （可以小组竞赛形式）Read the sentences on P35 and work out the rule.3. Exercise:Get Ss to finish Exercise A1.Pai

9、r work: ask and answer questions about each photo following the example: finish Exercise A2.Oral practice: Get Ss to make some conversations with their partners.Get Ss to learn more about countable and uncountable nouns.Eg: A bottle of milk; two bottles of milkStep7. Presentation of “There is/are”.E

10、xplain the usage of “There is/are”: to say that sth. exists in swh.(某地有某物)Ask Ss some questions according to the picture.Q: What are there on the table?A: There are two apples, some cakes, two bowls of rice and two cups of water.Get Ss to work out the rule: finish p37.Get Ss to pay attention to “the

11、re is” or “there are”.Eg: There is a glass of water and three apples on the table.There are three apples and a glass of water on the table.Get Ss also pay attention to: there is=theresThere is not=? There are =?Get Ss to finish exercise in page 37.Step8.Considalation1. Translation the following phra

12、ses:一碗饭，两杯咖啡，三张纸，四盒鸡蛋，五个学生，六瓶酸奶，七双鞋子，一些食物。2. 选词填空，使下列句子意思通顺：a. -Woo! So many books here!-Could you help me carry _ books to _ house over there?(this, that, these, those)b. -Is _ bike yours, Miss Chen? -No, it isnt. Can you see the one under the tree? _ is mine. (this, that, these, those)c. _(How many, How much) money do we need for the project？d. There is _(too few, too little) oil. Youd better buy some more.Step4. SummaryGet Ss to summarize what they have learned today. Step9. Homework1.写出你最拿手的一道菜的食谱（所需材料与分量）（Optional：对于水平较好的学生，可要求他们写出烹调过程）。2.分类归纳不可数名词（归纳本）。3.完成练习册内相关练习。