仁爱版初中英语九年级上册U2T3SC优质课教案Word格式文档下载.docx

1、能够对信息进行分类处理。3.Emotional aims: （optional） 激发学生探索利用新能源的热情。4.Culture awareness: 了解世界各国在开发和利用新能源方面的现状和成就。. The key points and difficult points1. Key points:Words and phrases: technology, renewable, disadvantage, require, German, wheel, guide, deep, run out, source, worldwide, producefrom, not onlybut al

2、so, tootoSentences: However, nuclear power can be very dangerous. It can not only protect the environment but also save energy. Its too small to hold many people.Grammar: compound sentence 2.Difficult points： 理解文章中出现的大量专业术语。biogas technology, maglev trains 等。 理解文中出现的被动语态。如:This renewable energy is u

3、sed in peoples everyday lives.Electric vehicles were developed in the 1990s.Its too small to hold many people, but larger models will be developed in the near future.理解文中出现的表语从句。Its key disadvantage is that the process requires a long time （up to 30 days） and the high cost for its building. Learning

4、 strategies 在1a、1b和2a中，能够根据文字描述进行图文匹配。 在1c 环节能够根据要求获取不同的信息，并能根据所完成的图表复述文章的大意。 要养成在讨论中作记录的好习惯，并利用记录的要点来组织短文。 利用课文中的插图和教材附录中的资料来理解课文。. Teaching aids教学新词的图片（如：1a, 1b, 2a的插图、电动摩托图片、核电站图片） / PPT等。. Teaching procedures Stage（time period）InteractionpatternsTeacher activityStudent activityRemarks1Revision（1

5、0 mins）Group workLet the Ss make a survey and report to the class to finish 4 in Section B.T: Hi, boys and girls! Lets begin our class. Please turn to page 46. Lets do the survey in 4. Have you made the list after class? Fine. Now work in groups as usual. Make a survey in your group. You can follow

6、the example in 4. The group leader should collect the information and report it to the class. When you finish, put up your hand. Stop, please! Now, its time to report. Which group wants to report first? I am very glad that you have a good habit of dealing with the waste. Make a survey and report to

7、finish 4 in Section B.Ss: Yes.S1: In our group, xxx always shuts off the electricity when he leaves the room or when the room is bright enough. xxx always turns off the tap when he doesnt use it. xxx always puts the plastic bottles in a big box and xxx always uses both sides of the paper .S2: In our

8、 group, S3: In our group,2Pre-reading（5 mins）Class activityPresent the pictures in 1a, 1b and 2a to learn the new words. Now, I will show you some pictures. Try to tell me what the picture is in English. Now, look at this picture, whats it? Yes. Its an electric motor. I often come to school on my el

9、ectric motor. What about this one? You are right. Its a train. People call it maglev train. Its different from the traditional steel railways. It has no wheels but it runs very fast. It can run more than four hundred km per hour. （Use the same way to deal with other words.）Learn the new words. Motor

10、. It looks like a train. 这一课词汇较多，而且有很多专用术语，老师要运用各种方法先讲解部分新词。运用图片、构词法或课前集中预习等。electric（adj）+ ity（名词后缀）=electricity（n）, re（again）+new+able（能的）=renewable（adj） ,dis（no）+advantage=disadvantage （n）。本课词汇较多，对于课程标准没有要求掌握的词汇，只要学生能理解即可。3While-reading （8mins）Individual workStep 1: Let the Ss read 1a, and match

11、the pictures in 1a and 1b. Next, you will read 1a, and match the pictures in 1a and 1b while reading. When you finish, put up your hand. Who would like to tell us the answers to 1a? Do you agree with her? How about 1b? Volunteers! Is he right?Step 2: Let the Ss read 1a again and complete the table i

12、n 1c. Check the answers. You have learned something about biogas, electric vehicles and maglev trains. Each has its key advantages and disadvantages. Now, read 1a again, find their advantages and disadvantages and put them in the table in 1c. When you finish, raise your hand, please. Shall we check

13、the answers now? xxx, whats the advantage and disadvantage of biogas? Oh, you all did it very well.Read 1a and match the pictures in 1a and 1b. C-A-B. B-C-A.Read 1a again and complete the table in 1c. Check the answers. No problem. Advantage: renewable Disadvantage: long process and high cost for it

14、s building 4Post-reading Let the Ss guess the meanings of “best-known, German, efficient, guide, path” and then learn them with the help of the vocabulary list. Now, lets solve the words. First, youd better guess the meanings of these words, and then learn them by yourself with the help of the vocab

15、ulary list. Let the Ss read 1a, and discuss in groups to find the compound sentences and other difficult points. You have read 1a twice, but have you noticed that there are many compound sentences in the passage? Besides, I know there are some difficult points for you. So Id like you to read the pas

16、sage again, and discuss in groups to find out the compound sentences and difficult points. If you finish, please let me know. Group1, could you tell us the compound sentences you have found? Wow, there are so many compound sentences in this passage. Then lets deal with the difficult points.Step3: De

17、al with the difficult points.Guess the meanings of “best-known, German, efficient, guide, path” and then learn them with the help of the vocabulary list.Read 1a, and discuss in groups to find the compound sentences and other difficult points. In many countries, peoplecoal,but it is.and causes acid r

18、ain.However, nuclear power can be very dangerous.It can not only protectbut also save energy.Its too small to hold many people,but .future. There is no wheel noise, because there are no wheesl.Maglev trains are very energy-efficient and do not pollute the air.However, maglev guide paths are.steel ra

19、ilways.Understand the difficult points.对best-known, German也可以辅以构词法来讲解：Germany（n,国家名）German （n, 人），best+ known（famous） =best-known （adj.）对本课出现的被动语态和表语从句，老师不要细讲，只要学生能理解句子意思即可。建议老师直接用汉语解释。5FinishingTask 2a（8 mins） Let the Ss look at the pictures in 2a to learn the new words. We know coal, oil and gas a

20、re unrenewable sources, and they will run out in the future. So people are finding new ways to produce power. Now, look at the pictures in 2a, do you know what kind of natural sources is used? Lets start with Picture 1. Yes, in picture 1, people use sunlight. Picture2? In some places, there is hot w

21、ater coming from deep in the earth. If the water is too hot, it becomes steam. In the past, people used steam to drive trains and ships. Now, can you guess what “steam” means? Yeah! Then Picture 3? Yes. And the last one? Clever! Sea waves are natural sources, too. Step2: Let the Ss read 2a and match

22、 the pictures with the sentences. You have learned about these renewable sources. Now, read 2a quickly and match the pictures with the sentences. If you finish, put up your hand. xxx, could you tell us your answers? Is that right? Let the Ss discuss in detail about the use of one kind of energy sour

23、ces. From the passage, we know that these sources are used worldwide. Now, Id like you to discuss in detail how to use one of these sources in groups. Youd better take notes while discussing. Because you will write a short passage based on the discussion. 太阳能。 不知道。 蒸汽。 风力发电。 海浪。 Sure. 2-4-1-3Discuss

24、 in detail about the use of one kind of energy source.地热能是学生所不熟悉的，老师要适当地解释一下。6Summarizing and assigning homework（4 mins）Step1: Let the Ss retell the main content of 1a according to the table in 1c. How time flies! Its time to retell the main content of 1a now. Ready? Go!Step 2 : HMK You have discuss

25、ed and taken note in 2a. After class, you should write a short passage with the notes. You may follow the example in 2b.Retell the main content of 1a according to the table in 1c.T& Biogas is renewable. Farmers recycle straw, grass and animal waste to make biogas. But it requires long time to produc

26、e biogas and it costs much to build them. Electric vehicles can not only protect the environment but also save energy. But its too small to hold many people. Maglev trains run very fast and quietly. They are energy-efficient and they have no pollution. However, the paths are much more expensive than

27、 the traditional steel railways.让学生单独复述课文有一定的难度，最好是老师带着一起复述。. Blackboard designWhat can we do at home to protect the environment?Words and phrases：electric motor 电动摩托maglev train 磁悬浮列车technologyrequireGrammar：compound sentences: 并列句conjunctions: 连接词but, however, and , not onlybut also,It can not only protect the environment but also save energy.Its too small to hold many people., but it is very dirty and causes acid rain.Germanwheelguidedeeprun outdis+advantage=disadvantage （n）re（使）+new+able（能的）=renewable（adj）not onlybut also