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1、Unit 4 Our WorldTopic 1 Whats the strongest animal on the farm?教学内容分析及课时分配建议：本单元以Our World 为主题。第一话题主要围绕谈论动物、植物、人与自然的关系等内容展开，主要语法是形容词的比较级和最高级。主要句型有：The countryside is much quieter than the city. , Roses are the nicest of all the flowers., Which do you like better, or ? What kind of animals do you lik
2、e better, foxes or snakes? I like better/best.等。同时本话题还复习了询问喜好及表达原因的句型。此外， 在语音部分继续学习元音字母a，e，o以及字母组合oo，ow，ee在单词中的发音规则，同时还学习了辅音/r/和/l/的不同以及句子的停顿。最后的Project里，以Saving the Animals in Danger 为主题，不仅锻炼学生搜集信息和处理信息的能力，同时为学生发现问题和解决问题提供了机会。本话题建议用五课时完成。第一课时：Section A1a,1b,1c第二课时：Section B3 Section A2a, 2b, 3第三课时：
3、Section B1a, 1b, 1c, 2, 4a, 4b第四课时：Section C1a, 1b,1c, 2第五课时：Section DGrammar and focus, 1, 2, Project第一课时（Section A1a,1b,1c）教学设计思路：本节课的课型为听说课，主要活动是1a。在Warming-up环节里，利用一段表现自然界和谐美丽的视频吸引学生注意。在Revision环节里，看图片，用学过的句型谈论喜好。导入新课。在pre-listening环节里，首先展示城市和农村两幅图片，讨论它们之间的区别并学习新词汇。在1b和1c的答案预测的过程中让学生感受形容词的比较级。接下
4、来将听力训练分解为三个不同层次的任务。在完成听力任务的同时巩固形容词比较级的用法。在分角色朗读对话时提醒学生注意停顿，为本话题语音的学习做铺垫。最后根据本节课内容提出讨论话题：Why do many people like living the countryside? 将讨论结果写成小短文，运用1a的新词汇的同时，达到语言输出的目的。. Teaching aims1. Knowledge aims：（1）学习并掌握新词汇：sky, river, clear, nature, beauty（2）掌握形容词比较等级的用法。2. Skill aims: （1）能听懂有关农村和城市对比的话题，并能听
5、懂熟悉的事物之间的比较。（2）能正确地用比较级和最高级谈论一组事物。（3）能正确朗读课本的文本材料，读懂利用比较级描述的句子。（4）能正确地用比较级写出事物之间的对比。3. Emotional aims:热爱大自然，有保护自然地意识。4. Culture awareness:. The key points and difficult points1. Key points:（1）正确、熟练地运用形容词的比较级。 （2）利用本课所学词汇描述城市与乡村的不同。2. Difficult points： 利用形容词比较级描述乡村与城市的不同。. Learning strategies1. 在学习的过
6、程中要善于归纳、总结语言规律。2. 尝试用所学语言将对话改写为小短文，不同形式的语言输出方式可以更好的巩固所学内容。. Teaching aids多媒体课件/图片V. Teaching proceduresStage 1（3mins）：Getting students ready for learning StepTeacher activityStudent activityDesigning purpose(Class activity)Greet the students and get themready for learning. Play the video of Our Worl
7、d. (一段表现自然界和谐美丽的视频)T: Good morning, everyone!T: Have you notice the title of this unit?T: What is our world like? You may say its beautiful. Yes. On the one hand its so beautiful and attractive. Now lets see a video to enjoy our beautiful world. T: For the next three weeks, we will learn and talk mo
8、re about our world. I hope our lessons will make you love our world more.Focus their attention on the teacher.Ss: Good morning, MissSs: Yes. Our World.Ss: .Remark：这一环节的目的是要创造学习英语的氛围并使学生静下心来，开始新的学习。可以采用多种方式，如唱歌、游戏、值日报告、自由讨论等。Stage 2（3mins）：RevisionStepTeacher activityStudent activityDesigning purpose
9、(Class activity)Talk about likes and dislikes. Show some pictures of beautiful scenery. T: This is a part of our world. Its the grassland in Inner Mongolia. I think living on the grassland must be fun. Do you like it? Do you want to visit there someday?T: The beauty of nature attracts us so much. We
10、ll, What other places do you want to go?Talk about likes and dislikes.Ss: Yes. Ss:.师生自由谈论关于喜好的句型，导入新课。Remark：Stage 3（10mins）：Pre-listening StepTeacher activityStudent activityDesigning purpose1(Class activity)Show the following pictures on the screen. Talk about the differences between them. Learn t
11、he new words.T: Hmm, the places you mentioned are really worth visiting. But you know, pollution does great harm to our world. Look at the two pictures. The first one is a big city in great haze. The second one is the countryside. Which of them do you like better?T: Why? Can you tell me reasons? T:
12、Yes. The air in the countryside is fresher then that in the city. How about the sky?(Pointing at the sky)T: Yes. It much bluer than that in the city. And how about the rivers?T:Good. The rivers are clearer in the countryside. Look at the traffic in the city. Where do you think is quieter?T: Yes. The
13、 countryside is much quieter then the city. So lots of people like to live in the countryside because they can enjoy the beauty of nature there.Talk about the differences between the two pictures. Learn the new words.S1: I like the countryside better.S1: The air in the countryside is “更清新”.S2: The s
14、ky in the countryside is blue.S3: The rivers are “清澈的” in the countryside. S4: The countryside.展示城市和农村两幅图片，讨论它们之间的区别。学习新词汇。2(Individual activity)Lead the students to predict the answers to 1b and 1c.T: The countryside is so beautiful. We can use our own words to describe it. Read the words in 1b. Do
15、 you think what words can be used to describe the countryside?T:A good question! We called them comparative degrees of adjectives. When we compare two things, we use comparative degrees of adjectives. For example, Xiao Li is taller than you. T: Very Good. Read the passage in 1c and try to fill in th
16、e blanks. You may use comparative degrees of adjectives. The words in 1b may help you. Predict the answers to 1b and 1c. Learn the comparative degrees of adjectives.S1: fresher, bluer, clearer, nicer, quieter. But why do we add “er/r” to the adjectives?S1: I see. That means I am shorter than Xiao Li
17、. Ss:学生读1b的单词，找出他们认为可以用来描绘乡村景象的词汇。继而了解形容词的比较级的用法。Remark：鼓励学生善于归纳、总结语言规律。Stage 4（10mins）：While-listening StepTeacher activityStudent activityDesigning purpose1(Class activity)Play the tape recording of 1a. Show the question: Does Wang Wei like the life in the countryside?T: Listen to 1a and answer th
18、e question: Does Wang Wei like the life in the countryside?Listen to 1a and answer the question: Does Wang Wei like the life in the countryside?Ss: Yes. he does.将听力训练分成难度不同的三个任务，照顾到不同层次的学生。2(Individual work)Play the tape recording of 1a again and finish 1b.T: In this conversation Wang Wei described
19、the beauty of the countryside. Now listen again, circle the words you hear in 1b.Listen again and circle the words they hear.Ss:3(Individual work)Play the tape recording of 1a for the third time and finish 1c.答案 E19、系统分析阶段的主要成果是（ ）T: Lets listen again and fill in the blanks in 1c. A主要现金流入是否独立于其他资产或资
20、产组是认定资产组的依据T: Are the answers the same as what you predicted? 5激活的凝血因子 a与组织因子（TF）复合物可激活T: Check the answers with your partners. Then read the passage aloud.3、DSS（决策支持系统）解决的是（）Listen again and fill in the blanks in 1c. Then read it aloud.借：以前年度损益调整管理费用 150Ss:A中毒性贫血 D缺铁性贫血11() 妊娠三周开始孕妇血液中血小板及凝血因子I、V、X
21、、(a未增高，只有在产科意外时才增高，所以凝血酶含量未增高)等逐渐增多；而AT-、t-PA、u-PA常降低；胎盘产生的纤溶酶原激活物抑制物增多。机体血液渐趋高凝状态，表现为高凝血及低纤溶状态，到妊娠末期这种状态尤为明显。应激时机体常表现为血液凝固性和纤维蛋白溶解活性增高。儿茶酚胺可增加血小板及某些凝血因子的数量，又可作用于血管内皮细胞，使其释放纤溶酶原激活物。酸中毒可损伤血管内皮细胞，内皮下的胶原纤维等暴露，促发凝血因子的激活，启动内源性和外源性凝血系统，引起DIC的发生。另一方面，由于血液pH降低，使凝血因子的酶活性升高；相反，酸性环境下，体内肝素的酸性功能基团如羧基、硫酸基等作用减弱，故其
22、生理性抗凝血活性减弱；血小板聚集性加强，使血液处于高凝状态等，同时聚集后的血小板释放促凝血因子增加，易引起DIC。Ss: Yes. A.DFD图B. 系统说明书C.流程图D.详细调查报告盈余公积 720Ss:Remark：Stage 5（15mins）：Post-listeningStepTeacher activityStudent activityDesigning purpose1(Pair work)Ask the students to read 1a in roles. T: Lets read the conversation in roles. Pay attention to
23、 the pause.T: Who would like to act it out?Read 1a in roles, paying attention to the pause. Ss:P1: Lets have a try.分角色朗诵对话，表演。提醒学生注意停顿。2(group work)Ask the students to write a short passage about why many people like living in the countryside.T:Good job. Can you tell the reason why many people like
24、living in the countryside? Discuss with your partners.T: Write a short passage about it and then report to the class. T:Who would like to read your composition?Write a short passage about why many people like living in the countryside.Ss:Ss:S1: Many people like living in the countryside. Here are so
25、me reasons. Compared with the city, the sky is bluer and Remark：将对话改写为短文的方式可以很好的训练学生将所学语言内化并输出。Stage 6（4mins）：Summarizing and assigning HMKStepTeacher activityStudent activityDesigning purpose1（Class activity)Encourage the Ss to summarize the key points T: Class will be over soon. We should summariz
26、e what we have learned in this lesson. Lets begin!Summarize what they have learned today. S1: We learned some new words:sky, river, clear, nature, beautyS2: We learned to use comparative degrees of adjectives.培养学生归纳总结的能力，再次复习巩固本节课的重点知识。2 (Class activity)Assign the HMK.T: For todays HMK, Id like you
27、to remember the new words. Please tell the reasons why many people like living in the countryside to your parents and preview Section B3 Section A2a, 2b, 3 .Finish the HMK after class.适当的家庭作业有助于巩固课堂所学的知识。Remark：VI. Blackboard design第一课时 (Section A1a,1b,1c)1.Some new words :sky, river, clear, nature, beauty2.Comparative degrees of adjectives:The air is fresher, the sky is bluer and the rivers are clearer there.I think the countryside is much quieter than the city.