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1、Section C. Material analysis本课是九年级第四单元第一话题的第三课时。主活动是1a。1a 通过介绍发明是什么来继续学习一般过去时的被动语态。学生通过完成1a的任务型阅读，知道发明创造并非遥不可及。1b让学生学习归纳中心句。1c把发明创造的步骤进行整合，让学生更加清楚怎样去发明创造。2是个开放性的讨论，让学生在讨论的过程中知道发明无论大小都对我们的生活产生了巨大的影响。3倡导学生自己去发明创造，并通过介绍自己的发明来巩固英语知识。学生学习了本课之后，对发明创造不再感到神秘莫测，从而萌发自己动手的愿望，有利于激发学生的创造精神。3这个写作任务，需要学生独立思考，并运用所介
2、绍的写作小窍门。学生在短时间内难以很好地完成，故留作家庭作业。. Teaching aims1. Knowledge aims：掌握本课的重点词汇和短语，继续学习一般过去时的被动语态。2. Skill aims:通过1b学习归纳中心句。通过3学习写作介绍性的小短文。3. Emotional aims: (optional) 激发学生大胆思考、勇于创造的精神。4. Cultural awareness:(optional). The key points and difficult points1. Key points: Words and phrases: invention, crayon
3、, thought, silly, balloon, gun, robot, keyboard, come about, laugh at, come to Sentences: Thats why now we have planes. This is the time to brainstorm for ideas and to evaluate them.Grammar: was/were + pp2. Difficult points： Inventions come about in many ways. None of these things was planted in fie
4、lds. Remember that no idea is too silly. Learning strategies 能够通过1a的Pre-reading来预测文章的内容。 能够概括文段大意，提炼主题句。 学习3来拟定写作提纲。. Teaching aids 气球、蜡笔等实物/枪、机器人等图片/录音机/小黑板/PPT等。. Teaching procedures Stage(time period)InteractionPatternsTeacher activityStudent activityRemarks1Getting students ready for learning(2m
5、ins)Individual workLet the Ss speak out the inventions they collected.T: Lets check the inventions you have collected. Who will be the first one?Speak out the inventions they collected.S1: computerS2: InternetS3: X-ray S4: carS5: robotS6:老师把学生列举的发明一一板书出来备用。2Lead-in(10mins) Class activityGroup workSt
6、ep1: Present real objects or pictures to learn the new words: balloon, crayon, gun, robot, keyboardT: Do you know what it is? T: Its a balloon. It was invented by Neil Tillson.T: How about this?T: Right. Its a crayon. Step2: Let the Ss discuss the inventions they collected and the inventions in 2. C
7、hoose the top 3 most important and the top 3 least important inventions. Finish 2.T: You have named so many inventions. Now, work in groups. Discuss the inventions listed on the Bb and in 2. Choose the top 3 most important and the top 3 least important inventions. You should explain why you choose t
8、hem. When you finish, put up your hand.T: Which group is ready to report?T: You have very great ideas. Other groups?Learn the new words.Ss: ItsSs: Its a crayon.Discuss the inventions they collected and the inventions in 2. Choose the top 3 most important and the top 3 least important inventions. Fin
9、ish 2.S1: We think computer, Internet and X-ray machine are the top 3 most important inventions. Because they have changed our life so much. They make our life easier and more interesting. And we think guns, televisions and cars are the top 3 least important inventions. Because guns make many people
10、 lose their lives, televisions make people spend less time reading and cars make the environment worse.S2: We think 3Pre-reading (6mins)Group workLet the Ss discuss the pre-reading questions in 1a.T: Now, lets move to the pre-reading questions in 1a. Discuss Question 1 and Question 3. Then report to
11、 your class. When you finish, raise your hand.T: Group 1, can we share your opinions?T: I hope his dream will come true. Another group, please!T: Yes. Inventions are not always impossible.Everyone can be an inventor as long as you have new ideas and try to carry them out.Discuss the pre-reading ques
12、tions in 1a.S1: We think invention is to make something new. I dont think I can be an inventor, because I am not smart enough. But xxx says he wants to be an inventor, because he likes creating new things.S2: We think inventions are useful and helpful to our life. They can help us do things better a
13、nd faster. I often watch “I Love Inventions” on TV. We think inventions are not always impossible, though there are many difficulties.S3:4While-reading (12mins)Individual workIndividual work Step1: Let the Ss read 1a and try to summarize the main idea of each step in the process of inventing things
14、to finish 1b. T: Do you want to be an inventor? If you do, 1a can help you. Read 1a, please. Underline the new words and do 1b while reading.T: Now, lets check the answers. xxx, please!T: Which one is right?Step 2: Read 1a again and do 1c. Check the answers and finish 1c.T: Read 1a again and do 1c.
15、When you finish, put up your hand.T: Now, lets check the answers. Come on, boys and girls! Read 1a and try to summarize the main idea of each step in the process of inventing things to finish 1b.S1: D-A-E-B-CS2: D-E-A-C-B Ss: S2.Read 1a again and do 1c. Check the answers and finish 1c.S1: Imaginatio
16、n.S2: Important.S3: Detailed.S4: Test.S5:.老师在这个环节要培养学生根据各段的内容概括段落大意的能力。5Post-reading(10mins)Class activityGroup workStep 1: Present“invent(v)+tion = invention(n), think (v)-thought (n), brain + storm = brainstorm (n/v), detail (n)+ed=detailed (adj), re+design=redesign, imagine(n) +tion= imagination
17、(n)”on a small Bb or on the screen. Let the Ss learn the words by word formation and guess the meaning of “silly, evaluate” by context. Step 2: Let the Ss read 1a and discuss the difficult and key points.T: Now, work in groups. Discuss the difficult and key points. T: Do you have any questions, Grou
18、p 1?T: It means that people invented one thing while they were doing some other things. They invented the new thing by accident, not on purpose.5下列各项交易或事项中，不会影响发生当期营业利润的有( )。T: 资本公积 197.5T: How about the key points? 甲公司会计处理：20X0年，确认其他应付款1 000万元，同时将发出钢材的成本结转至发出商品。A.开发周期大大缩短B.降低了系统开发中的风险Learn the word
19、s by word formation.【解析】：上述管理用固定资产系甲公司于201年12月购入，原值为3 600万元，甲公司采用年限平均法计提折旧，预计净残值为零。税法规定该固定资产的计税年限最低为l5年，甲公司在计税时按照15年计算确定的折旧在所得 税前扣除。在20X4年度财务报表中，甲公司对该固定资产按照调整后的折旧年限计算的年折旧额为l60万元，与该固定资产相关的递延所得税资产余额为40 万元。答案 纤溶酶分解纤维蛋白多聚体的产物，DIC诊断的重要指标之一。(1)我公司出于长期战略考虑，201年1月1日以l 200万欧元购买了在意大利注册的乙公司发行在外的80股份，计500万股，并自当
20、日起能够控制乙公司的财务和经营政策。为此项合并，我公司另支付相关 审计、法律等费用200万元人民币。乙公司所有客户都位于意大利，以欧元作为主要结算货币，且与当地的银行保持长期良好的合作关系，其借款主要从当地银行 借入。考虑到原管理层的能力、业务熟悉程度等，我公司完成收购交易后，保留了乙公司原管理层的所有成员。11() 妊娠三周开始孕妇血液中血小板及凝血因子I、V、X、(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
21、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。Read 1a and discuss the difficult and key points.简述甲公司应收乙公司
22、账款在合并财务报表中的处理及理由，并编制相关抵销分录。S1: How do we understand “Sometimes inventions are the result of accidents”?S2: Can we use were instead of was in the sentence None of these things was planted in fields?S3:S4: Come about, this is the time to do sth. S5: Laugh at sb., harewith S6: 6Summarizing and assignin
23、g homework (5mins)Class activityStep1: Let the Ss repeat the passage with the help of the key words: first, imagination, then, plan, design, third, detailed, drawing, model, test, after that, name, last, share.T: Now, close your book, please! Lets retell together how to be an inventor. One, Two, Thr
24、ee, go!T: Remember these steps. When you are inventing some things, follow them.Step 2: HMKT: We have learned how to be an inventor. Now, its your turn to create your own inventions. Look at the questions and tips in 3. They may help you introduce your inventions.Retell how to be an inventor with th
25、e help of the key words.Ss: First, you should use your imagination. Then, you should plan and design it. Third, you should make a detailed drawing of your invention and make a model. You must test your invention again and again. After that, you should name your invention. Last, you should share your
26、 invention with others. Blackboard designWhen was it invented?Section CWords and phrases:invent+tion=inventionthinkthoughtbrain+storm = brainstormfor ideas and evaluate them.detail+ed=detailedre+design=redesignimagine+tion= imaginationcrayonballoncome about.Grammar:was/were+ppSentences:Thats why now we have planes.They werent discouraged by what people said.This is the time to brainstorm
