【導(dǎo)讀】(利用圖片，復(fù)習(xí)動物名稱，引出新詞，導(dǎo)入新課。(教師出示牛、馬、雞、羊、鵝的圖片。如果學(xué)生們不會用英語說，教師可示范并領(lǐng)讀。(教師教學(xué)countryside并板書。(教師引導(dǎo)學(xué)生比較城市與農(nóng)村，并幫助學(xué)生說出一些含比較級的句子。(2分鐘后，找?guī)捉M學(xué)生到前面表演。(讓學(xué)生兩人一組用課本77頁表格里的形容詞描述各種動物，教師先做示范。鞏固形容詞的比較級和最高級的變化規(guī)則。每一組的一個學(xué)生在回答問題后，提出一個新的形容詞。

　　

【正文】 … (學(xué)生用接龍形式操練此句型。 ) T: Most of us like the countryside better. Do you like plants or animals in the countryside? S2:I like the animals. T: Which kind of animals do you like best? S2:I like dogs best. T: Why do you think so? S2:Because they are more friendly than other animals. (教師示范后，找兩組學(xué)生進(jìn)行表演。 ) T: From your talking, I know some students like animals better, some students like plants better. Now who can tell us something about rainforests? S3, please. S3:Rainforests cover 6% of the earth’s surface, … (學(xué)生分組復(fù)述，教師評出優(yōu)勝組并表揚(yáng)。 ) T: We know the rainforests are very important to us. In fact, water is also important to us. Please tell us the importance of water, S4. S4:Water is very important to all living things. All animals can’t live at all without water. Water makes up the largest part of the human body, but water is being dirtier and dirtier, so we must save every drop of water. Step 2 Presentation 第二步 呈現(xiàn) (時間 :10分鐘 ) 1. (教師出示熊貓、藍(lán)鯨、華南虎的圖片。引出生詞，導(dǎo)入新課。 ) T: Well done! I have some pictures here. Can you name these animals? Ss: Yes, they are pandas, tigers and … T: Good, they are pandas, blue whales and Chinese tigers. (板書 ) blue whale T: (出示熊貓的圖片。 )Where do pandas live? Ss:They live in the forests and mountains. T: Right, they live in the forests and mountains of Southwest China. (板書 ) southwest T: What do pandas feed on? Ss:They feed on bamboo.(幫助學(xué)生回答。 ) (板書 ) bamboo T: Their number is getting smaller and smaller. Do you know why? Ss:Because they have less and less land to live on. T: Good. They have less and less land to live on. (板書 ) land T: (出示藍(lán)鯨的圖片。 )Are blue whales the largest animal in the world? Ss: Yes, they are. T: Where do they live? Ss: They live in the ocean. T: What do they feed on? Ss: They feed on the smallest sea animals. T: (出示華南虎的圖片。 )Where do the Chinese tigers live? Ss:They live in the south of China.(幫助學(xué)生回答。 ) (板書 ) south T: Their number is getting smaller and smaller, too. Because people kill lots of them. Why do people kill them? Ss: They kill them for money. T: Right. People kill them for their fur and bones. (板書 ) kill fur bone T: Pandas, blue whales and Chinese tigers are all wild animals. Can you name other wild animals?(教師可以引導(dǎo)并幫助學(xué)生回答。 ) Ss:Yes, monkeys, bears, wolves. (板書 ) bear wolf T: Which do you like best, blue whales, pandas or Chinese tigers? Ss:I like the panda best. T: Why do you think so? Ss:Because it’s the most lovely animal of the thre e. 2. (讓學(xué)生讀短文 1，回答問題。 ) T: Pandas, blue whales and Chinese tigers are all wild animals. Their numbers are getting smaller and smaller. They are in danger. Why are they in danger? Read 1 on Page 83 and answer it. (板書 ) in danger[ (核對答案。 ) Ss: Pandas have less and less land to live on. Blue whales don’t have enough clear water and humans kill them, too. Chinese tigers are killed by people for their fur and bones. 3. (再讀一遍短文，回答短文后的問題。 ) T: Now read this passage again, then answer the questions below. (核對答案。 )[ Step 3 Consolidation 第三步 鞏固 (時間 :10分鐘 ) 1. (讓學(xué)生聽 1 錄音，寫出關(guān)鍵詞。 ) T: Listen to the tape and write down the key words. (板書 ) pandas: forests and mountains, bamboo, less and less land, smaller and smaller blue whales: ocean, largest and heaviest, sea animals, kill, ocean water, dirty Chinese tigers: south, oldest type, small animals, fur and bones, in danger 2. (讓學(xué)生根據(jù)關(guān)鍵詞復(fù)述課文。 ) T: Please retell the text according to th e key words. (2 分鐘后找?guī)孜粚W(xué)生復(fù)述。 ) 3. (讓學(xué)生討論，喚起保護(hù)動物的意識。 ) T: Some animals are in danger, and their numbers are getting smaller and smaller. What should we do to protect them? Discuss in groups. (2 分鐘后回答。 ) S1:We should plant more trees. S2:We should keep the water clean. S3:We shouldn’t kill them. (最后教師補(bǔ)充。 ) Step 4 Practice 第四步 練習(xí) (時間 :10分鐘 ) 1. (利用多媒體或小黑板，復(fù)習(xí)形容詞比較級和最高級。完成 2a。 ) T: Now, class. Let’s do an exercise. (教師出示小黑板。 ) 用所給詞的比較級或最高級填空： 1. But now rainforests are being ____ and _____ (small). 2. I like cats best, because they are _____ _____ (lovely) than other animals. (核對答案。 ) T: Now, listen to the tape. And then read 2a together. 2. (做一些有關(guān)形容詞比較級和最高級的 書面練習(xí)。 ) (1) (用多媒體或小黑板出示。 ) Adjective Comparative Superlative funny little important large long thin (2)(用多媒體或小黑板出示。 ) 用所給詞的正確形式填空。 Jim is (tall) than Tom. Peter is (tall) student of the six students. Michael is (fast) swimmer of all the students. Kangkang’s drawing is (beautiful) than Jane’s. Sally’s English is (good) in her class. 3. (學(xué)習(xí) 2b，掌握常用的短語。 ) (1) Listen to 2b and repeat. (2) Read an d write the useful expressions. (3) Make sentences or a dialog with the phrases in the table. (核對答案。 ) 4. (比較農(nóng)村和城市的區(qū)別，運(yùn)用形容詞比較級。完成 3。 ) Compare the two pictures in 3 carefully and write a passage about them. Then I’ll let some of you report it. (核對答案。 ) Step 5 Project 第五步 綜合探究活動 (時間 :5分鐘 ) 1. (分組討論，比較動物和植物，農(nóng)村和城市，談一談水的重要性，寫 一篇短文。 ) T: Discuss the questions in 4 with your partner and write a passage with the title, “The World in My Eyes”. 2. Homework: 假設(shè)學(xué)生是瀕危野生動物保護(hù)專家，寫一篇演講稿呼吁人們的保護(hù)意識。 板書設(shè)計(jì) : Plants and animals are important to us. Section D give sb. joy They have less and less land to live on. make up Their number is getting smaller and smaller. share … with … They are the oldest type of tigers living in the world. in danger