仁愛英語九年級上冊Unit 2 Topic 1 SectionA1a2 教學(xué)設(shè)計

1、Unit 2 Saving the EarthTopic 1 Pollution has caused too many problems. Section A (1a-2). Material analysis本課是九年級第二單元第一話題的第一課時。主活動是圍繞過去和現(xiàn)在環(huán)境的變化展開聽說訓(xùn)練。1a通過關(guān)于“West Hill”今昔環(huán)境變化的對話，引出本話題的污染問題，鞏固現(xiàn)在完成時與一般過去時的用法及區(qū)別。1b要求學(xué)生能夠聽懂一般過去時態(tài)和現(xiàn)在完成時態(tài)，也就是要分清1b所提及的詞語所伴隨的時間。1c要求學(xué)生補(bǔ)全描述“West Hill”今昔變化的句子并進(jìn)行內(nèi)容復(fù)述，即整合1a對話的信息，將

2、對話轉(zhuǎn)換為語篇。2通過觀察圖片內(nèi)容，結(jié)對編對話，描述污染前后的情況，進(jìn)一步訓(xùn)練學(xué)生口頭表達(dá)能力和對一般過去時和現(xiàn)在完成時的運(yùn)用能力。.Teaching aims1. Knowledge aims： 掌握本課的重點(diǎn)詞匯、短語和句型；鞏固一般過去時和現(xiàn)在完成時的用法和區(qū)別。能夠用一般過去時和現(xiàn)在完成時描述過去和現(xiàn)在的變化。正確使用there be sth./sb. doing sth.來表達(dá)“有某人/物正在做某事”。2. Skill aims: 能運(yùn)用一般過去時和現(xiàn)在完成時圍繞“環(huán)境變化”話題展開簡單的聽、說、讀、寫活動。3. Emotional aims: 讓學(xué)生了解環(huán)境污染的嚴(yán)重性，并樹立環(huán)保

3、意識。4. Culture awareness: 通過課文的學(xué)習(xí)，讓學(xué)生了解環(huán)境的變化，關(guān)注全球的環(huán)境問題。. The key points and difficult points1. Key points: Words and phrases: bee, butterfly, mess, shame, several, waste, pour, see sb./sth. doing sth., pourinto,villager, destroy,cut down, polluteSentences: What a mess! / What a shame! The flowers and

4、 grass have gone! What has happened here?There be sth./sb. doing sth. There are several factories pouring waste water into the stream.Everything has changed. Grammar: Differences between Simple Past and Present Perfect tense. 2. Difficult points：能正確以口頭和書面形式區(qū)別使用一般過去時和現(xiàn)在完成時。正確使用there be sth./sb. doing

5、 sth.來表達(dá)“有某人/物正在做某事”。. Learning strategies 通過呈現(xiàn)情景的方式進(jìn)行詞匯或句型教學(xué)，讓學(xué)生在情境中理解并學(xué)會運(yùn)用； 通過學(xué)習(xí)1a和2，引導(dǎo)學(xué)生模仿已有對話，編寫新的對話； 通過完成1c，培養(yǎng)學(xué)生整合對話信息，將對話轉(zhuǎn)換為語篇的能力。. Teaching aids錄音機(jī)，幻燈片，黑板等。. Teaching procedures Step 1 Review(5 min)Have a quick review of Unit 1 by inviting some Ss to report their discovery on the changes in o

6、ur hometown. T: Good morning, boys and girls. In Unit 1, we have learned the topic about The Changing World. And your homework last week was to find out the great changes in our hometown these years. Here are the photos you have found about the changes. Good job! Now Id like to invite some of you to

7、 tell us the changes in your pictures. Who would like to have a try?Ss: T: Well done. Thank you very much.Remarks:回顧第一單元，請學(xué)生談?wù)撍麄兪占募亦l(xiāng)今昔變化的圖片，復(fù)習(xí)一般過去時和現(xiàn)在完成時，在真實(shí)的語言環(huán)境中運(yùn)用英語，激發(fā)學(xué)生學(xué)習(xí)的興趣。Step 2 Lead-in (5 mins)1. Show some pictures about pollution and introduce the topic of Unit 2.T: Im glad that you have f

8、ound out so many great changes in our hometown. These changes are good. However, some other changes are not. Let me show you some pictures. What can you see in these pictures?Ss: T: It is good that we have more factories, more cars, more buildings, but it is bad that we also have more air pollution,

9、 water pollution, light pollution, noise pollution and so on. Pollution has caused many problems. Our changing world is in danger, so we have to save it. Today, we will move on to a new unit, Unit 2 Saving the Earth. Topic 1 Pollution has caused so many problems. 2. Watch a short video about polluti

10、on and ask the Ss to talk about the video.T: Before learning Section A, Id like you to watch a short video and find out what has happened to Lucys hometown.T: OK, now tell me what has happened to Lucys hometown. Ss: T: Yes, Lucys hometown has changed a lot because of pollution. Pollution has destroy

11、ed the village. Now Id like to show you another example of the West Hill.Remarks:通過圖片從談?wù)摪l(fā)展變化（好的變化）過渡到環(huán)境變化（壞的變化），自然地導(dǎo)入第二單元的話題“環(huán)境污染”。接著通過觀看視頻，讓學(xué)生直觀感受污染給環(huán)境造成的破壞。 Step 3.Pre-listening (8 mins)Present two pictures of the West Hill and help the Ss describe the changes. Teach the new words and some difficu

12、lt sentences. (Show the picture of the West Hill to the Ss on PPT)T: Kangkang and his friends are going to have a picnic in the West Hill. Is the West Hill beautiful? Look at the picture.What can you see in the picture?S1: I can see a big tree(Point to the tree.) S2: I can see some flowers and grass

13、. (Point to the flowers and grass.)T: Can you see the bees and butterflies dancing there. (Point to the bees and butterflies, and then write down the words and phrases on the Bb/show them on the screen.)Ss: Yes.T: What else can you see?S4:I can see a rabbit. S5:I can see a river.T: Right. You can al

14、so say “stream”, a stream is a small river. What else can you see?S6:T: Right. The West Hill was a beautiful place. But it has changed a lot. Look at this picture. What a mess! What can you see in the picture now?S7: I can see the dirty water.S8: I can see some dead fish.T: Right. What has happened?

15、 Can you see the flowers and grass?Ss: No.T: The flowers and grass have gone! “Have gone” means “have disappeared”. (Point to the factories)Look! There are several chemical factories pouring waste water into the stream. Everything has changed. (Point to the several chemical factories, and then write

16、 down the words“several, chemical, waste” and sentences“There be.doing sth.”,“What a mess!” on the Bb/show them on the screen.)Remarks: 通過圖片談?wù)撐魃奖晃廴厩昂蟮臓顩r，更好的體會一般過去時和現(xiàn)在完成時在語境中的運(yùn)用，同時也突破了單詞關(guān)。在教授新單詞時,同時呈現(xiàn)單詞和音標(biāo)，讓學(xué)生運(yùn)用所學(xué)音標(biāo)自己解決單詞的讀音問題，如果學(xué)生發(fā)音不準(zhǔn)，老師再及時更正。根據(jù)圖片和講解，引導(dǎo)學(xué)生大膽的猜測詞義和部分難句的意思，為1a中的聽力對話掃障礙。Step 4. While-li

17、stening (10 mins)1. Ask the Ss to listen to 1a once and answer some questions. T: Listen to the tape carefully and try to find out the answers to the following questions. (1)When did Kangkang go to the West Hill? (2)Why does Kangkang say “What a mess!”? (3)Do they still want to have a picnic there?T

18、: Now answer my questions. (1)When did Kangkang go to the West Hill?Ss: Two years ago.T: (2)Why does Kangkang say “What a mess!” ?Ss: Because the beautiful West Hill has gone. It isn t beautiful now.T: (3)Do they still want to have a picnic there ?Ss: Of course not.2. Ask the Ss to mark the words wi

19、th P (Past) or N (Now) in 1b.T: Now mark the words with P(past) or N(now) in 1b and check the answers in your group.S1: “Beautiful” is in the past.S2: “Butterflies” are in the past.S3: “Dirty” is now.3. Have the Ss listen to 1a again and pay attention to the pronunciation and the intonation. Then pr

20、actice 1a in groups and role play it.T: Watch the video and pay attention to the pronunciation and intonation.T: Now read 1a aloud with your group members and act it out.T: Who would like to be Jane?.Ss:Remarks: 本課對話不長，詞匯量不大，可以直接在組內(nèi)核對習(xí)題答案。讓學(xué)生通過朗讀的方式感知一般過去時和現(xiàn)在完成時的差別。分角色朗讀是培養(yǎng)語感，增強(qiáng)自信，提高興趣的基本方法之一。Step 5

21、. Post-listening (13 mins)1. Have the Ss work in pairs. Look at the pictures and make up conversations with their partner.T: Look at the pictures and make up conversations in pairs like this:Example:A: There were lots of flowers and grass when I visited the village last year.B: But now the flowers a

22、nd grass have gone.A: What a shame! What has happened here?B: The villagers have destroyed them.T: Now Id like to invite two pairs to have a try.Ss:2. Have the Ss read through 1a and fill in the blanks in 1c in groups.T: Read through 1a and fill in the blanks in 1c as quickly as possible, and then d

23、iscuss the answers with your group members. T: Now check the answers together.S1: a beautiful placeS2: lots of flowers and grassS3: 3. Have the Ss retell 1a to their partner.T: Try to retell 1a to your partner. You can use the pictures and the key words.Example: In the past, the West Hill was a beau

24、tiful place with flowers and grass. We could see bees and butterflies dancing. The air was fresh, the water was very clean and we could see fish swimming. But now, all the flowers, grass, bees, butterflies and fish have gone. The water is so dirty and it smells terrible. Why? Because there are sever

25、al chemical factories pouring waste water into the stream. Pollution has destroyed the West Hill, so we should protect the environment.Remarks: 通過學(xué)習(xí)1a，引導(dǎo)學(xué)生模仿已有對話，編寫新的對話；接著要求學(xué)生根據(jù)1a的內(nèi)容補(bǔ)全句子并在此基礎(chǔ)上進(jìn)行復(fù)述，培養(yǎng)學(xué)生整合對話信息，將對話轉(zhuǎn)換為語篇的能力。通過Post-listening這個環(huán)節(jié)，幫助學(xué)生進(jìn)一步鞏固和運(yùn)用本課所學(xué)詞匯、句型和語法，兼顧了語言輸入和輸出，進(jìn)一步發(fā)展了學(xué)生的口語能力。Step 6 Summarizing. (3 mins)Sum up the main content of this class and the key pointsT: Lets sum up what we have learned today. We learn some new words, phrases and sentences. Please repeat after me: bee, butterfly, stream, mess, shame, se