Unit 2 Topic 1Pollution causes too many problems.SectionABCD教案

Unit 2 Saving the Earth Topic 1 Pollution causes too many problems.
Section A
I.Teaching aims and demands:
1. Learn the usage of direct speech and indirect speech.
2. Talk about different kinds of pollution in order to enhance the awareness of environmental protection.
II. Important points:
1. bee, my goodness, waste, stream, breathe, be harmful to, influence
2. direct speech and indirect speech
3. some useful sentences
III. Teaching procedure:
Step 1 Review
Show a picture in which the town’s environment is seriously polluted by chemical factories. Lead to the topic of environmental pollution by talking about the picture. Understand the new word “chemical”.
Step 2 Presentation
1. Learn 3a and 3b.
(1) Show different pictures of environmental pollution in 3a. Let students have a general idea about different kinds of pollution. Then ask students to tell what kind of pollution it is. Teach and ask students to master the new words “brethe” and “influnce”. Understand “soil”, “harmful” and “be harmful to”.
(2) Look and match. Finish 3a and check the answers.
(3) Finish 3b with the given word and phrases in 3a and check the answers.
2. Discuss in groups about the cause and harm of pollution. Then the teacher makes a summary: Pollution does harm to not only human beings but also animals. Lead to 2.
3. Listen to 2 and finish 2.
4. The teacher leads to 1a.
(1) Show the first picture in 1a and ask students to describe the beautiful scenery. Teach and ask students to master the new words “bee” and “stream”.
(2) Show the second picture in 1a and ask students to describe the changes caused by environmental pollution. Learn and master the new word “waste”.
Step 3 Consolidation
1. Ask students to read 1a, and deepen their understanding of the picture.
2. Let students read 1a aloud, and find out key phrases and sentences. Write them down on the Bb. Let students understand these sentences on the Bb and guess the meaning of “my googness”.
(1) Oh, my goodness.
(2) The flowers and grass have gone!
(3) Look, there are sever chemical factories pouring waste water into the stream.
3. Listen to 1a. Let students follow it and imitate the pronunciation and intonation.
4. Work in groups. Read 1a in groups of four, then act it out. Finish 1a.
Step 4 Practice
1. The teacher presents some sentences in 1a, and shows students how to change direct speech into indirect speech. Then let students practice in pairs.
2. Let students fill out the table in 1b, then learn the usage of direct speech and indirect speech. Remind students to pay attention to the change of the tense.
Step 5 Project/work after class
1. Free work.
2. Do some exersice in TOPENGLISH.
Handwriting：
Pollution causes too many problems.
Section A
air pollution there be sb./sth. doing sth.
soil pollution be harmful to …
water pollution Kangkang said that it was a beautiful
light pollution place with lots of flowers and grass.
noise pollution
litter
Section B
I.Teaching aims and demands:
1. Go on learning and master the usage of direct speech and indirect speech.
2. Learn to express blame and complaint.
II. Important points:
1. direct speech and indirect speech
2. some expressions about blame and complaint
III. Teaching procedure:
Step 1 Review
1. Ask students to report their surveys in the previous lesson about environmental pollution.
2. Summarize the main points in their reports and lead to this section.
Step 2 Presentation
1. Show the picture in 1a and talk about it. Learn and master the new words “weak”, “produce” and “chest”. Understand the new word “gas”.
2. Let students further discuss other influences that the chemical factory brings on people so that they can understand the text better. Lead to the new word “anyway”. Then ask students to learn and master it.
3. Listen to 1a, answer the shining questions, and then check the answers.
(1) What makes the old lady’s chest hurt?
(2) Why can’t she sleep well at night?
Step 3 Consolidation
1. Listen to 1a again, let students read after the tape and imitate the pronunciation and intonation.
2. Work in pairs. Read 1a, and then act it out in roles.(optional)
3.read 1a. Find out the sentences that the granny blames and complains about environmental pollution. Ask students to master them. For example:
(1) It’s difficult for me to breathe.
(2) The chemical factory produces terrible gas.
(3) The bad air makes my chest hurt.
(4) What’s more, the factory makes too much noise and I can’t sleep well at night.
(5) …I can’t stand the environment here.
Step 4 Practice
1. Let one student act as the granny in 1a and retell the sentences that uses to blame and complain. Go on learning the usage of direcr speech and indirecr speech. Finish 1a. For example:
S1: It’s difficult for me to breathe.
T: What did she say?
S2: She said that it was difficult for her to breathe.
Write down the sentences above on the Bb. Ask students to observe them and lead students to sum up the usage of the tense, the pronouns and the time in the sentences.
2. Let students finish 1b by themselves, and do more exercise to deepen their understanding of the usage of direct speech and indirect speech.
3.Work in chains. Practice how to change direct speech into indirect speech.
4. Let students finish 2 by themselves. Then check the answers.
Step 5 Project/work after class
1. Free work.
2. Do some exersice in TOPENGLISH.
Handwriting：
Section B
produce terrible gas Kangkang asked the old lady how long she had been like that.
The old lady told Kangkang that she had been like that since the
week before.
can’t stand (doing) sth. The journalist asked Mrs. Zhou whether/if she was feeling
better then.
… …
Section C
I.Teaching aims and demands:
Know about noise pollution and enhance the consciousness of environmental protection.
II. Important points:
1. coal, deaf, print, disturb, rubbish
2 some useful sentences about noise pollution:
(1) … noise is also a kind of pollution and is harmful to humans’ health.
(2) People 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, …
III. Teaching procedure:
Step 1 Review
1. Review the kinds of pollution by asking and answering questions. Lead to the topic of noise pollution in this section.
2. Discuss the pre-reading questions in 1a. Guess and understand the meaning of “shining” and “electricity”, and master the word “coal”. Finish 1 in 1a.
Step 2 Presentation
1. Play some pieces of beautiful music. The teacher asks, “Do you like them?”. Then the teacher plays some unpleasant sounds and asks the same question. Lead to the word “deaf”, teach and ask studentd to master it.
2. Let students read the passage in1a and understand the gist of the text. Find out th enew words and encourages them to guess their meanings in the context. Let students learn and master the new words “print” and “disturb”. Understand “partner”, “hearing loss” and “harm”. Know about “including”.
Step 3 Consolidation
1. Listen to 1a. Let students read 1a after the tape and pay attention to the pronunciation, speed, intonation and pause.
2. Read 1a carefully. Let students underline the important and dificult points and try to solve them by themselves. Ask students to find out at least four sentences about the harm of noise pollution. Finish 1a.
3. Finish 1b according to 1a. Check the answers. Master “rubbish” and understand “title”.
4. Work in pairs. Discuss the sentences in 1c, then decide which paragraphs of 1a they belong to. Finish 1c. Understand “nearby” and know about “sawmill”.
Step 4 Practice
Discuss the kinds and harm of noise pollution in pairs. The teacher choose several pairs to act it out.
Step 5 Project/work after class
1. Free work.
2. Do some exersice in TOPENGLISH.
Handwriting：
Section C
be harmful to …
go deaf do harm to …
no better than Noise is also a kind of pollution and is harmful to humans’ health. ….
Section D
I.Teaching aims and demands:
1. Review the usage of direct and indirect speech.
2. Summarize the kinds and harm of pollution.
II. Important points:
1. create, industry, blood
2. direct and indirect speech
III. Teaching procedure:
Step 1 Review
Show the pictures about various kinds of pollution, then asks students to say what kind of pollution it is and what harm it does, and draws the conclusion that they are bad for our health in many ways.
Step 2 Presentation
16002006934201143007924801. Show three pictures to the students, guide them to watch the pictures carefully and summarize them. Lead to 1a. Ask students to master “create”, “industry” and “blood”, and understand “destroy” and “pressure”.
2. Let students read 1a by themselves, know about the passage,and fill in the blanks. Then check the answers. Finish 1a.
Step 3 Consolidation
1. Let students read 1a again and find out the sentences describing the harm of each kind of pollution. Write down the shining sentences on the Bb.
(1) It can cause sore eyes and breathing problems.
(2) It makes our environment dirty.
(3) …destroy the soil. Soil pollution causes unhealthy food.
(4) Too much noise can cause high blood pressure as well.
(5) It makes people feel terrible and is especially bad for the eyes.
2. Let students discuss in groups and finish 1b. Check the answers.
3. Work in groups. Retell 1a according to 1b.(optional)
Step 4 Practice
1. The teacher and students work together to sum up the usage of direct speech and indirect speech in this topic. Look at 2a and complete the missing sentences in the summary.
2. The teacher and students work together to sum up useful ecpressions in this topic. Look at 2b and complete the missing sentences in the summary.
3. Ask students to read 2a and 2b to have a better understanding of the grammar and useful expressions they have learned in this topic. Then let students practice direct and indirect speech. Finish 2a and 2b.
Step 5 Project/work after class
1. Free work.
2. Do some exersice in TOPENGLISH.
Handwriting:
Pollution causes too many problems.
Section D
high blood pressure Burning gas, oil and coal creates air pollution.
with the development of industry With less pollution, our planet will become…
in many ways