福建省泉州市安溪县九年级英语上册Unit2SavingtheearthTopic2Allthesep案新版仁爱版20180822287

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【K12】福建省泉州市安溪县九年级英语上册Unit2SavingtheearthTopic1PollutionhascausedtoomanyproblemsSec

【K12】福建省泉州市安溪县九年级英语上册Unit2SavingtheearthTopic1PollutionhascausedtoomanyproblemsSec

Topic 1 Pollution has caused too many problems.Section BThe key points and difficult points1. Key points:Words and phrases: pain, produce, awful, bear, harmful, chest, editor, breathe/breath, soil get a pain in…,what’s worse, too much noise, too many problems, breathing problem, be harmful to, make a mess of, throw…aroundSentences: It’s difficult for me to breathe.I’ve got a pain in my throat.It’s really awful.A: How long have you been like this? A: Have you seen a doctor?B: I’ve been like this since last week. B: Not yet.Gramma r: Present Perfect的问答。

2. Difficult points:能在不同语境中,正确判断单词的不同词性。

在朗读中,能正确地把握连读和停顿的技巧。

Teaching procedures:Stage 1 Getting students ready for learningGuide the Ss to discuss different kinds of pollution in groups and share the answer together. Stage 2 Lead-inLet the Ss look at the pictures in 3a on pag e 30 and guess the meaning and pronunciation of “soil”. Ask them to pay attention to the types of pollution.Stage 3 Pre-listeningShow the picture of soil pollution, teach the new words and check the answers of 3b. Pay attention to the pronunciation, liaison and pause while reading.Stage 4 While-listeningStep 1: Show a pictu re of the polluted West Hill, let the Ss listen to 1a once and tick the questions they hear in part A of 1b. Then check the answers together.Step 2: Get the Ss to listen again and match the questions with the right answers in part B of 1b. Then check the answers together.Stage 5 Post-listeningStep 1: Get the Ss to read 1a and answer the questions in 1c.Step 2: Let the Ss read 1a carefully and underli ne the difficult points including words, phrases and sentences. Then lead the Ss to ask their classmates and teacher for help. Write down the points they can’t understand on the Bb.Step 3: Let the Ss read 1a in roles, and then act out the dialog and pay attention to the pronunciation and intonation.Step 4: Lead the Ss to scan the material and choose the correct words to complete the letter in 2.Stage 6 Summarizing and Assigning homeworkStep 1: Let the Ss go over what they have learned this period. Sum up the key points. Step 2: HMK: Let the Ss to choose one type of pollution and collect some information about it according to the questions in 3 on page 32.1.What is … poll ution?2.What makes the…pollution?3.Wh at problems does it cause?4.What can be done to solve these problems?。

福建省泉州市安溪县九年级英语上册Unit2SavingtheearthTopic2Allthesep

福建省泉州市安溪县九年级英语上册Unit2SavingtheearthTopic2Allthesep

Topic 2 All these problems are very seriousSection CTeaching aims and demands1.Words and phrases: hole, form, rise, oxygen, ozone layer, radiation, directly, carbon dioxide, blanket, escape, the greenhouse effect, refer to, during this period, take away, pass through2.Sentences:(1) Forests have become deserts, so more and more sorts of animals and plants are disappearing.(2) As a result, many rivers and lakes are now dead.(3) Too much harmful radiation from the sun passes through the hole and reaches the earth directly.(4) It causes the lev el of the oceans to rise and the climate of the earth to change.(5) When it rains or when the wind blows, the earth is taken away.(6) The heat from the sun can’t escape, so the temperature is rising.3.Grammar: indefinite pronoun and adverbTeaching procedures:Step 1 Getting students ready for learning and review1 Check the Ss’ homework:2 Let the S s give a report about their own bad habits and how to make the campus better. Step 2 Lead-inPlay the cartoon video about protecting the ozone laye r. Let the Ss watch and discuss what they have learnt from it. Take some notes.Step 3 Pre-reading1 Show two pictures of ozone layer and more carbon dioxide. Introduce them to the Ss briefly to teach the new words.2 Guide the Ss to pr edict the main idea of the passage by the given pictures.Step 4 While- reading1 Let the Ss match the pictures with the titles in 1 of 1b, and then read paragraphs 2-6quickly and write down the proper title in front of each paragraph.2 Lead the Ss to read paragraph 1, 5 and 6, find the words in Exercise 2,3 and4 and guess the meanings of them according to the co ntent.3 Let the Ss read 1a carefully, choose the best title for the passage and finish 5 in 1b. Then com plete the notes in 1c according to 1a.Step 5 Post- reading1 Let the Ss read 1a carefully, find out the difficult points, and list them on the Bb.2 Gu ide the Ss to retell the passage according to the first paragraph, last paragraph and the notes in 1c.Step 6 Summarizing and Assigning homework1 Let the Ss summarize what they have learned in class.2 HMK: Let the Ss search the Intern et for more information about environmental problems and effects. Discuss the information in groups and take notes. Then write a passage according to their notes and 1c.Blackboard designAll these problems are very serious.Section CKey words and phrases: hole, form,rise, oxygen,ozone layer,refer to,radiation,take away,carbon dioxide, blanket, escape, during this period, pass through, Sentences:(1) Forests have become deserts, so more and more sorts of animals and plants are disappearing.(2) As a result, many rivers and lakes are now dead.(3) Too much harmful radiation from the sun passes through the hole and reaches the earth.(4) It causes the level of the oceans to rise and the climate of the earth to change.(5) When it rains or when the wind blows, the earth is taken away.(6) The heat from the sun can’t escape so the temperature。

福建省泉州市安溪县九年级英语上册 Unit 2 Saving the earth Topic 3 W

福建省泉州市安溪县九年级英语上册 Unit 2 Saving the earth Topic 3 W

Topic 3 What can we do at home to protect the environment?Section BTeaching aims and demands1.Words and phrases: action, ought to, shut off, after all, electricity, had better, instead of doing sth. , be good for, change into, p our into2.Sentences: First, you ought to shut off the electricity when you leave a room. Second, you’d better walk or ride a bike instead of taki ng a bus or a taxi if you travel a short distance.Don’t use plastic bags.Easier said than done.Actions speak louder than words.After all, we have only o ne earth.We should do everything t o protect it, or we’ll be punished and lose our home.3.Grammar: compound sentenceTeaching procedures:Stage 1 RevisionLet the Ss act out their homework.Stage 2 Getting students read y for learningPresent some real objects to learn the new words.Stage 3 Pre-listeningLet the Ss read the questions in 1b to predict the main idea of th e di alog and guess the meaning of “action”.Stage 4 While-listeningLet the Ss listen to 1a and finish 1b. Check the answers.Stage 5 Post-listeningStep1: Let the Ss read 1a and complete the table in 1c. Check the answers.Step2: Let the Ss read 1a again and find the difficult points and the sentences which give suggestions.Stage 6 Finishing Task 2Step 1: Let the Ss choose the co rrect verbs or phrases to complete the statements. underlined words to learn conjunctions.Step2: Let the Ss match the statements with the pictures. Check the answers.Stage 7 Finishing Task 3Step1: Let the Ss read the passage and fil l in t he blanks with correct words.Step2: Let the Ss listen to the passage and check the answers at the same time.Step3: Let the Ss read 3 again and find the compound sentences.Stage 8 Fi nishing Task 4Let the Ss read the sentences in 4, paying attention to the stress, liaison, incomplete plosion and intonation.Stage 9 Summarizing and Assigning homeworkStep1: Let the Ss sum up this section.Step2: assign HMKT: We have learned how to be a greener person from Section A and B. If everyone tries his best to be a greener person, the environment will be b etter. What do you do to protect the environment? Think about it and make a list about what you do to be a greener person. It’s your HMK for today.。

福建省泉州市安溪县九年级英语上册Unit2SavingtheearthTopic2Allthesep

福建省泉州市安溪县九年级英语上册Unit2SavingtheearthTopic2Allthesep

Topic 2 All these problems are very seriousSection ATeaching aims and demands1.Words and phrases: sand, although, sandstorm, desert, human being, reduce, completely, change into, stop … from, blow/ wash … away, as a resu lt2.Sentences: A lot of water can be sav ed by forests.Although we have built “The Green Great Wall”, we still need to do something to protect the environment.3.Grammar: Indefinite pronoun and adverb.Teaching procedures:Step 1 Getting students re ady for learningPlay a short video about a sandstorm and let Ss guess what kind of weather it is.Step 2 Lead-inShow the pictures of a sandstorm, let the Ss guess how sandstorm comes into being and number the pictures in 3.T: OK, do you know how sandstorm comes into being? Please look at the pictures, discuss and number them in groups.…T: OK, how does the sandstorm come into being? Tell me the right order, please.S1: It’s 4-1-5-3-6-2.Step 3 Pre-listeningLet the Ss talk about sandstorm according to the pictures and the given words in 3 in groups. Long ago, there were lots of trees and forests. But people needed some wood to build houses and do other things, so they cut down the trees day by day. And the forests have gone slowly…Step 4 While-listening1 Present the picture in 1a. Let the Ss listen to 1a once and do 1b alone.2 Let the Ss listen to 1a again and complete the functions of trees in 1c. They can discuss in pairs.Step 5 Post-listening1 Let the Ss read 1a in groups and then role play it.2 Let the Ss read again and find the important phrases in 1a. Then write them down on the Bb.3 Lead the Ss to complete the sentences with the correct forms of the given phrases in the box in 2.Step 6 Finishing Ta skLead the Ss to look at the phrases. Listen to the passage and circle the phrases you hear. Then listen twi ce to complete the sentences. Finish 4.Step 7 Summarizing and Assigning homework1 Sum up what they have learnt in this class.2 HM K: Write a passage about how sandstorm comes into being.Blackboard designAll these problems are very serious.Section AWords:sand / sandstor m althoughdesertreduc e completely Phrases:change intostop … fromblow/ wash … awayhuman beingas a resultSentences:1.A lot of water can be saved by forests.2.Although we have built “Th e Green GreatWall”, we stillneed to do something to protect theenvironment.。

福建省泉州市安溪县九年级英语上册 Unit 2 Saving the earth Topic 3 W

福建省泉州市安溪县九年级英语上册 Unit 2 Saving the earth Topic 3 W

Topic 3 What can we do at home to protect the environment?Section ATeaching aims and demands1.Words and phrases: nod, agreement, disagreement, protection, organization, recycle, can, give up, so that, encourage sb to do sth.be harmful to sb./sth.2.Sentences: We should reduce the waste we produce.We should use both sides of paper and reuse plastic bags.It’s a pleasure.Recycling can protect the environment, and it can save money, too.So we encourage students to collect waste paper and soft drink cans.3.Grammar: compound sentenceTeaching procedures:Stage 1 Getting students ready for learningPresent a picture of heavy haze in Beijing and analyze the cause of it, learning some of the new words.Stage 2 Lead-inPresent some real objects to learn more new words and lead to 1a.Stage 3 Pre-lis teningLet the Ss read the table in 1b to get to know what they should pay attention to while listening.Stage 4 While-listeningLet the Ss listen to 1a and finish 1b. Then check the answers.Stage 5 Post-listeningStep 1: Let the Ss read 1a and do 1c. Then check the answers.Step2: Let the Ss read 1a again to find the sentences which give suggestions.Step 3: Deal with language points in 1a.Stage 6 Finishing Task 2Step 1: Present the following sentences on the small Bb or on the screen. Let the Ss understand the underlined words to learn conjunctions.Step2: Let one student come to the front to perform to learn the new words.Step3: Let the Ss combine the se ntences with the given words in 2. Che ck the answers. Stage 7 Finishing Task 3a & 3bStep1: Let the Ss write the correct letter under each picture and sort the garbage. Step2: Let the Ss listen to 3b and check the answers in 3a.Stage 8 Summarizing and Assigning homeworkStep1: Encourage the Ss to sum up this secti on.Step 2: HMKT: Today we don’t have enough time to do Task 4. I hope you will finish it after class, won’t you?。

福建省泉州市安溪县九年级英语上册 Unit 2 Saving the earth Topic 3 W

福建省泉州市安溪县九年级英语上册 Unit 2 Saving the earth Topic 3 W

Topic 3 What can we do at home to protect the environment?Section CTeaching aims and demands1.Words and phrases: technology, renewable, disadvantage, require, German, wheel, guide, deep, r un out, source, worldwide, produce…from…, not only…but also…,too…t o…2.Sentences: However, nuclear power can be very dangerous.It can not only protect the environment but also save energy.It’s too small to hold many peop le.3.Grammar: compound sentenceTeaching procedures:Stage 1 RevisionLet the Ss make a survey and report to the class to finish 4 in Section B.Stage 2 Pre-readingPresent the pictures in 1a, 1b and 2a to learn the new words.Stage 3 While-readingStep 1: Let the Ss read 1a, and match the pictures in 1a and 1b.Step 2: Let the Ss read 1a again and complete the table in 1c. Check the answers. Stage 4 Post-readingStep 1: Let the Ss guess the meanings of “best-known, German, efficient, guid e, path”and then learn them with the help of the vocabulary l ist.Step 2: Let the Ss read 1a, and discuss in groups to find the compound sentences and other difficult points.Step3: Deal with t he difficult points.Stage 5 Finishing Task 2aStep 1: Let the Ss look at the pictures in 2a to learn the new words.Step2: Let the Ss read 2a and match the pictures with the sentences.Step3: Let the Ss discuss in detai l a bout the use of one kind of energy sources. Stage 6 Summarizing and Assigning homeworkStep1: Let the Ss retell the main content of 1a according to the table in 1c.Step 2 : HMKT: You have discuss ed and taken note in 2a. After class, you should write a short passage with the notes. You may follow the example in 2b.。

福建省泉州市安溪县九年级英语上册Unit2SavingtheearthTopic3Whatcanwe

福建省泉州市安溪县九年级英语上册Unit2SavingtheearthTopic3Whatcanwe

Topic 3 What can we do at home to protect the environment?Section CTeaching aims and demands1.Words and phrases: technology, renewable, disadvantage, require, German, wheel, guide, deep, r un out, source, worldwide, produce…from…, not only…but also…,too…t o…2.Sentences: However, nuclear power can be very dangerous.It can not only protect the environment but also save energy.It’s too small to hold many peop le.3.Grammar: compound sentenceTeaching procedures:Stage 1 RevisionLet the Ss make a survey and report to the class to finish 4 in Section B.Stage 2 Pre-readingPresent the pictures in 1a, 1b and 2a to learn the new words.Stage 3 While-readingStep 1: Let the Ss read 1a, and match the pictures in 1a and 1b.Step 2: Let the Ss read 1a again and complete the table in 1c. Check the answers. Stage 4 Post-readingStep 1: Let the Ss guess the meanings of “best-known, German, efficient, guid e, path”and then learn them with the help of the vocabulary l ist.Step 2: Let the Ss read 1a, and discuss in groups to find the compound sentences and other difficult points.Step3: Deal with t he difficult points.Stage 5 Finishing Task 2aStep 1: Let the Ss look at the pictures in 2a to learn the new words.Step2: Let the Ss read 2a and match the pictures with the sentences.Step3: Let the Ss discuss in detai l a bout the use of one kind of energy sources. Stage 6 Summarizing and Assigning homeworkStep1: Let the Ss retell the main content of 1a according to the table in 1c.Step 2 : HMKT: You have discuss ed and taken note in 2a. After class, you should write a short passage with the notes. You may follow the example in 2b.。

福建省泉州市安溪县九年级英语上册 Unit 2 Saving the earth Topic 1 P

福建省泉州市安溪县九年级英语上册 Unit 2 Saving the earth Topic 1 P

Topic 1 Pollution has caused too many problems.Section CThe key points and difficult points1. Key points:Words and phrases: de af, print, recently, sentence, meaning, hearing, loss, disturb, uncomfortable, unpleasant, sort, environmental, including, on to, go deaf, do harm to/be harmful to, lose one’s hearing/ have hearing loss, in noisy condition/ too much noise, no better than,not only…but also…, cause sb. to do sth., all sorts of environmental problems, including noise problemsSentences: (1) … noise is also a kind of pollution and is harmful to humans’ health.(2) Pe ople who work and live in noisy conditions go deaf easily.(3) …many teenagers in America can hear no better than 65-year-old people do …Grammar: Simple past, present perfect.2. D ifficult points:能根据所学内容,表达与污染相关的话题。

能区别使用不同词性的单词。

能大致理解含有定语从句的句子。

福建省泉州市安溪县九年级英语上册Unit2SavingtheearthTopic1Pollution

福建省泉州市安溪县九年级英语上册Unit2SavingtheearthTopic1Pollution

Topic 1 Pollution has caused too many problems.Section CThe key points and difficult points1. Key points:Words and phrases: de af, print, recently, sentence, meaning, hearing, loss, disturb, uncomfortable, unpleasant, sort, environmental, including, on to, go deaf, do harm to/be harmful to, lose one’s hearing/ have hearing loss, in noisy condition/ too much noise, no better than,not only…but also…, cause sb. to do sth., all sorts of environmental problems, including noise problemsSentences: (1) … noise is also a kind of pollution and is harmful to humans’ health.(2) Pe ople who work and live in noisy conditions go deaf easily.(3) …many teenagers in America can hear no better than 65-year-old people do …Grammar: Simple past, present perfect.2. D ifficult points:能根据所学内容,表达与污染相关的话题。

能区别使用不同词性的单词。

能大致理解含有定语从句的句子。

福建省泉州市安溪县九年级英语上册 Unit 2 Saving the earth Topic 2 A

福建省泉州市安溪县九年级英语上册 Unit 2 Saving the earth Topic 2 A

Topic 2 All these problems are very seriousSection DTeaching aims and demandsWords and phrases: avoid, discover, thirsty, nearly, law, shortage, resource, reuse, take sth. away from…, the shortage of water / water shortage, avoid (doing) sth., make pr ogress in, nearly 3/4 of…Teaching proc edures:Step 1 Getting students ready for learning and reviewGreet and lead the Ss to finish Grammar and Functions in Section D as quickly as they can. Ask the leader of each grou p to check the answers. Let the groups list other useful expressions of this topic on the exerci se book and take notes. Then report to the whole class.Step 2 Lead-inCheck the Ss’ homework: Ask the Ss to take out the compositions they wrote and check them in groups. Ask them to pay attention to the linking verbs, and then encourage them to read their compositions to the class.Step 3 Pre-readingPresent some pictures of water resources and make a brief introduction about them. Teach the new words.St ep 4 While- reading1 First-reading. Get the Ss to read 1a and put the paragraphs in the correct order.2 Second-reading. Get the Ss to read the passage again and answer the questions 1-3 in 1b. Step 5 Post- reading1 Guide the Ss to talk about Question 4 in 1b in pairs.2 Ask Ss to discuss in groups and list different ways of protecting and saving water. Finish 2.Step 6 Finishing Task 3Guide the Ss to write a proposal about saving water. Try to use the model in 3 and whatthey have learned in 1a. Then make a report to the class.Step 7 Summarizing and Assigning homeworkHMK :Divide the class into four groups named as “Water”, “Air”, “Tree”, and “Land”. Get each group to discuss their uses, the p roblems they face and their wishes. Then give a report in the first person next class.Blackboard design Water / Air / Tree / Land。

推荐K12学习福建省泉州市安溪县九年级英语上册Unit2SavingtheearthTopic1Po

推荐K12学习福建省泉州市安溪县九年级英语上册Unit2SavingtheearthTopic1Po

Topic 1 Pollution has caused too many problems.Section BThe key points and difficult points1. Key points:Words and phrases: pain, produce, awful, bear, harmful, chest, editor, breathe/breath, soil get a pain in…,what’s worse, too much noise, too many problems, breathing problem, be harmful to, make a mess of, throw…aroundSentences: It’s difficult for me to breathe.I’ve got a pain in my throat.It’s really awful.A: How long have you been like this? A: Have you seen a doctor?B: I’ve been like this since last week. B: Not yet.Gramma r: Present Perfect的问答。

2. Difficult points:能在不同语境中,正确判断单词的不同词性。

在朗读中,能正确地把握连读和停顿的技巧。

Teaching procedures:Stage 1 Getting students ready for learningGuide the Ss to discuss different kinds of pollution in groups and share the answer together. Stage 2 Lead-inLet the Ss look at the pictures in 3a on pag e 30 and guess the meaning and pronunciation of “soil”. Ask them to pay attention to the types of pollution.Stage 3 Pre-listeningShow the picture of soil pollution, teach the new words and check the answers of 3b. Pay attention to the pronunciation, liaison and pause while reading.Stage 4 While-listeningStep 1: Show a pictu re of the polluted West Hill, let the Ss listen to 1a once and tick the questions they hear in part A of 1b. Then check the answers together.Step 2: Get the Ss to listen again and match the questions with the right answers in part B of 1b. Then check the answers together.Stage 5 Post-listeningStep 1: Get the Ss to read 1a and answer the questions in 1c.Step 2: Let the Ss read 1a carefully and underli ne the difficult points including words, phrases and sentences. Then lead the Ss to ask their classmates and teacher for help. Write down the points they can’t understand on the Bb.Step 3: Let the Ss read 1a in roles, and then act out the dialog and pay attention to the pronunciation and intonation.Step 4: Lead the Ss to scan the material and choose the correct words to complete the letter in 2.Stage 6 Summarizing and Assigning homeworkStep 1: Let the Ss go over what they have learned this period. Sum up the key points. Step 2: HMK: Let the Ss to choose one type of pollution and collect some information about it according to the questions in 3 on page 32.1.What is … poll ution?2.What makes the…pollution?3.Wh at problems does it cause?4.What can be done to solve these problems?。

推荐K12学习福建省泉州市安溪县九年级英语上册Unit2SavingtheearthTopic3Wh

推荐K12学习福建省泉州市安溪县九年级英语上册Unit2SavingtheearthTopic3Wh

Topic 3 What can we do at home to protect the environment?Section ATeaching aims and demands1.Words and phrases: nod, agreement, disagreement, protection, organization, recycle, can, give up, so that, encourage sb to do sth.be harmful to sb./sth.2.Sentences: We should reduce the waste we produce.We should use both sides of paper and reuse plastic bags.It’s a pleasure.Recycling can protect the environment, and it can save money, too.So we encourage students to collect waste paper and soft drink cans.3.Grammar: compound sentenceTeaching procedures:Stage 1 Getting students ready for learningPresent a picture of heavy haze in Beijing and analyze the cause of it, learning some of the new words.Stage 2 Lead-inPresent some real objects to learn more new words and lead to 1a.Stage 3 Pre-lis teningLet the Ss read the table in 1b to get to know what they should pay attention to while listening.Stage 4 While-listeningLet the Ss listen to 1a and finish 1b. Then check the answers.Stage 5 Post-listeningStep 1: Let the Ss read 1a and do 1c. Then check the answers.Step2: Let the Ss read 1a again to find the sentences which give suggestions.Step 3: Deal with language points in 1a.Stage 6 Finishing Task 2Step 1: Present the following sentences on the small Bb or on the screen. Let the Ss understand the underlined words to learn conjunctions.Step2: Let one student come to the front to perform to learn the new words.Step3: Let the Ss combine the se ntences with the given words in 2. Che ck the answers. Stage 7 Finishing Task 3a & 3bStep1: Let the Ss write the correct letter under each picture and sort the garbage. Step2: Let the Ss listen to 3b and check the answers in 3a.Stage 8 Summarizing and Assigning homeworkStep1: Encourage the Ss to sum up this secti on.Step 2: HMKT: Today we don’t have enough time to do Task 4. I hope you will finish it after class, won’t you?。

福建省泉州市安溪县九年级英语上册Unit2SavingtheearthTopic教案新版仁爱版(4)

福建省泉州市安溪县九年级英语上册Unit2SavingtheearthTopic教案新版仁爱版(4)

Topic 2 All these problems are very seriousSection DTeaching aims and demandsWords and phrases: avoid, discover, thirsty, nearly, law, shortage, resource, reuse, take sth。

away from…, the shortage of water / water shortage, avoid (doing) sth。

, make progress in, nearly 3/4 of…Teaching proc edures:Step 1 Getting students ready for learning and reviewGreet and lead the Ss to finish Grammar and Functions in Section D as quickly as they can。

Ask the leader of each grou p to check the answers。

Let the groups list other useful expressions of this topic on the exerci se book and take notes。

Then report to the whole class。

Step 2 Lead-inCheck the Ss’ homework: Ask the Ss to take out the compositions they wrote and check them in groups。

Ask them to pay attention to the linking verbs, and then encourage them to read their compositions to the class。

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Topic 2 All these problems are very serious
Section C
Teaching aims and demands
1.Words and phrases: hole, form, rise, oxygen, ozone layer, radiation, directly, carbon d ioxide, b lanket, e scape, t he g reenhouse effect, r efer t o, d uring t his p eriod,
take away, pass through
2.Sentences:
(1) Forests have become deserts, so more and more sorts of animals and plants are disappearing.
(2) As a result, many rivers and lakes are now dead.
(3) Too much harmful radiation from the sun passes through the hole and reaches the earth directly.
(4) It causes the lev e l of the oceans to rise and the climate of the earth to change.
(5) When it rains or when the wind blows, the earth is taken away.
(6) The heat from the sun can’t escape, so the temperature is rising.
3.Grammar: indefinite pronoun and adverb
Teaching procedures:
Step 1 Getting students ready for learning and review
1 Check the Ss’ homework:
2 L et t he S s g ive a r eport a bout t heir o wn b ad h abits a nd h ow t o m ake t he c ampus b etter. Step 2 Lead-in
Play the cartoon video about protecting the ozone laye r. Let the Ss watch and discuss what they have learnt from it. Take some notes.
Step 3 Pre-reading
1 Show two pictures of ozone layer and more carbon dioxide. Introduce them to the Ss briefly to teach the new words.
2 Guide the Ss to pr e dict the main idea of the passage by the given pictures.
Step 4 While- reading
1 Let the Ss match the pictures with the titles in 1 of 1b, and then read paragraphs
2-6 quickly and write down the proper title in front of each paragraph.
2 Lead the Ss to read paragraph 1, 5 and 6, find the words in Exercise 2,
3 and
4 and guess the meanings of them according to the content.
3 Let the Ss read 1a carefully, choose the best title for the passage and finish 5
in 1b. Then complete the notes in 1c according to 1a.
Step 5 Post- reading
1 Let the Ss read 1a carefully, find out the difficult points, and list them on the
Bb.
2 Gu i de the Ss to retell the passage according to the first paragraph, last paragraph
and the notes in 1c.
Step 6 Summarizing and Assigning homework
1 Let the Ss summarize what they have learned in class.
2 H MK: L et t he S s s earch t he I nternet f or m ore i nformation a bout e nvironmental p roblems and effects. Discuss the information in groups and take notes. Then write a passage according to their notes and 1c.
Blackboard design
All these problems are very serious.
Section C
Key words and phrases: Sentences:
hole, form, (1) Forests have become deserts, so more and more sorts rise, oxygen, of animals and plants are disappearing.
ozone layer, (2) As a result, many rivers and lakes are now dead.
refer to, (3) Too much harmful radiation from the sun passes radiation, through the hole and reaches the earth.
take away, (4) It causes the level of the oceans to rise and the
carbon dioxide, climate of the earth to change.
blanket, escape, (5) When it rains or when the wind blows, the earth is
during this period, taken away.
pass through, (6) The heat from the sun can’t escape so the the greenhouse effect temperature is rising.。

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