英语优秀教案(人教版):必修五(Unit1GreatscientistsPeriod3).pdf
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1、Period 3Listening and Speaking The General Idea of This Period This is the third period of this unit. At the beginning of this period, the teacher should (can) design some exercises to review what the students learned in the last period, that is to say, go over what the students learned about that J
2、ohn Snow defeats“ King Cholera ” . The teacher can begin with asking some questions or having a competition to make some sentences with “ John Snow” according to the passage. During this period, listening and speaking will be mainly dealt with. At the beginning, teachers focus on training the Ss lis
3、tening. This listening content is about the importance of Qian Xuesen for space travel in China, the contributions made by a botanist named Carl Linnaeus and the research into the life and work of a mathematician called Leonhard Euler. When training the Ss listening ability, teachers should start wi
4、th pre-listening, that is, lead-in. If it is necessary, teachers had better introduce some background knowledge about the listening material. Later, let the Ss listen to it. At the same time, teachers should design some simple questions. After that, the Ss have known about the listening material, an
5、d then teachers can ask them to listen to it again to be ready for more difficult questions. If necessary, the Ss can be given another time to listen. While practicing, teachers had better offer students some advice on how to do it well. Especially, train the students to predict what to be talked ab
6、out according to the hints and limited information and let them form the good listening habit of listening with the purpose of finding useful information and to summarize. Certainly, suppose there are many new words and expressions, teachers should help them to deal with them at the first place. All
7、 the listening practice should focus on developing the students listening skill. After practicing listening, the Ss are expected to learn some expressions about talking about scientific job as well as scientists achievements and recount stories. Besides those, the students are expected to learn the
8、skill of describing a person. During the course, teachers should rank class activities from the easy to the difficult. First, ask them to learn the expressions. Then, ask them to imitate it to have a dialogue. Finally, the students are expected to create a dialogue or discuss the given topic. In ord
9、er to draw students attention, the teacher had better prepare for some interesting situations. This period centers on emphasis on speaking and listening. The teacher should try his or her best to encourage the students to say something. Don t always correct the mistakes that the students would make
10、while speaking. Otherwise, the students would feel reluctant to speak out their opinions. Teaching Important Points Train the students speaking ability by describing, talking and discussing. Help the students improve their listening ability. Teaching Difficulties Train the students listening ability
11、. Especially listen and understand what the speakers mean beyond words. Teaching Aids a tape recorder, a projector and the blackboard Three Dimensional Teaching Aims Knowledge aims: Let the Ss know about some scientists and their life and contributions. Get the Ss to learn how to talk about scientif
12、ic work and how to describe a person. Ability Aims: Train the students speaking ability by describing, talking and discussing. Train the students listening ability. Emotional Aims: Train the students ability to cooperate with others. Encourage the students to learn from scientists to show interest i
13、n scientific exploration and research. Teaching Procedure Step 1 Greeting T: Hello, boys and girls. Ss: Hello, Miss Wang. Step 2 Revision T: Today we will begin our lesson with a competition between groups. In the last period, we learnt about John Snow who defeats“ King Cholera ” . Now, please say s
14、omething that you know about it. If you offer a complete sentence, you will be given ten marks. Your group will be given twenty marks when your expression is especially beautiful. S: John Snow was a well-known doctor in London, who attended Queen Victoria to ease the birth of her babies. S: He becam
15、e inspired when he thought about helping ordinary people exposed to cholera, which was the deadly disease of his day. S: John Snow got interested in two theories explaining how cholera killed people. S: He believed in the second theory that is people absorbed this disease into their bodies with thei
16、r meals. From the stomach the disease attacked the body quickly and soon the affected person was dead. Ss: . . . (The teacher should encourage more students to join in the competition. At the end of the competition, the teacher should announce the result of this competition. Praise the winner and en
17、courage the losers. ) T: What can we learn from John Show? S: We should base our theories on practice. S: We are inspired to have a spirit of scientific exploration. S: We do some research with the purpose of serving the people and society. Ss: . . . T: Yes, we can learn a lot from the scientist. In
18、 fact, there are a great number of people working on science worthy of being learned both at home and abroad. Can you name some scientists and introduce their main contributions? S: Archimedes, who discovered that objects in water are lifted up by a force that helps them float. S: Darwin wrote a boo
19、k explaining how animals and plants developed as the environment changed. S: Madam Curie discovered radium. S: Stephen Hawking put forward a theory about black holes. S: Zhang heng invented the earliest instrument to tell people where earthquakes happened. Ss: . . . T: You did a good job and listed
20、many scientists as well as their contributions. Today, we are going to learn about more scientists. Step 3 Listening (on Pages 5-6) Task 1 Pre-listening T: First let s enjoy the picture. What can you see? S: President Jiang Zemin and an old man. T: President Jiang Zemin visited Qian Xuesen. T: What
21、have you already known about Qian Xuesen S: He is a Chinese scientist, whose research mainly centers on Physics. S: He has made great contributions to space travel in China. T: Good. You seem to have a good knowledge of him. Qian Xuesen is a famous scientist has contributed much to the country s cau
22、se of science and technology. Task 2 First Listening T: We are to listen to the material, which is about Qian Xuesen. Yu Ping is telling her friend Steve Smith about Qian Xuesen s life. If you were Yu Ping, what topics would you like to cover when introducing him? S: The date when he was born and he
23、 died;the place where he was born, lived, studied and died;his family;his experience;his achievements;his contributions T: Excellent. When we talk about and introduce a scientist, we usually describe these aspects. Now, listen carefully and tick out which topics are mentioned in the tape. (After lis
24、tening, let them check the answers. ) Task 3 Second Listening T: This time. You ll write down the answers to the five questions. Boys and girls, how can we write the answers fast and correctly? S: We should go through the questions first and keep them in mind. When we are listening, we just need to
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