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1、1Chapter 2 of Junior 7B. Protecting our environmentLesson PlanTeaching aims and demands: 1. Language knowledge a.new words and expressions b. Through reading the text, know about trees c.Learn to complete a poster d. Learn the present continuous tense to talk about things happening now and the futur
2、e. 2. Abilities focus: a. fast-reading for main idea b. guessing the meanings of new words from the context c. learn to write a newspaper report 3. Communication function: a. Learn to interview sb. about a topic. b. Ask the students to say something about fighting against pollution. Main and difficu
3、lt points: 1. Ss should be able to describe the uses of trees. 2. Ss are expected to write a poster or a newspaper report about trees or how to fight against pollution. 3. Ss are expected to improve their reading and speaking abilities. Teaching aids: PPT and tape recorder Periods needed: 10 Teachin
4、g procedures:Period 1-3 (Reading): Pollution fighters Period 1. Step1 Warming-up and lead-in 1. Free talk: Do you think that we have a beautiful world now?(ppt4-10) 2. Know something about trees. “How much do you know about trees?” Ask some students to talk about it.Possible answers: a.Trees make st
5、reets more beautiful. b. Trees make streets less noisy. c.Trees make our air purer. d. Trees make our air cooler. e. Trees make oxygen to keep us alive and healthy. f. Trees produce useful things like fruit and paper. g. Trees help us fight pollution.2“Are trees important to us? What can we get from
6、 trees?” Also ask some students to talk about it. Use - pencils, chopsticks, tables, chairs, paper Eat - fruit, nuts Drink - tea(leaves), coffee(beans) Wear - flowers, shoes(rubber) 3. Look at the picture of the cartoon shown in ppt. Let the students understand the humor. Step2 Pre-reading A. What d
7、o you know about? (ppt16-19) 1. How long do they live? Match the items on the left with the ages on the right. A mice i 75 yearsB pine trees ii 14 years C cats iii 25 years D dolphins iv 1200 ears E people v 2 years 2. Pollution means the process of making things dirty and unhealthy. Which type of p
8、ollution do trees help fight? A: air pollution B: water pollution C: noise pollution D: all of the above 3. Which of the following come from trees? A: apples B: beans C: cotton D: oil E: tea F: rubber 4. The best-known flowers in Shenzhen are azaleas. These sweet-smelling flowers are known as the fl
9、owers of Shenzhen city. Which picture shows azaleas? B. Look and think Look at the title, the introduction and the pictures. Then say whether the following statements are T (True) or F( False).F 1. The “pollution fighters” are probably scientists. F 2. Few useful things come from trees. F 3. Trees g
10、ive out harmful gases. T 4. Trees can pass information to one another. Step3 While-readinga. Listen to the tape about the whole passage. And deal with some vocabulary. 1. against (prep.) disagreeing; opposing Peter took part in a campaign against smoking. 2. be interested in: take an interest inMary
11、 is interested in collecting coins. 3. breathe (v.): take in airAll animals need to breathe to live. 4. burn (v.): damage sth. by fireHe burnt the letter after reading it. 5. chemical (n.): something produced by or used in chemistry3The farmers used chemicals to kill the insects. 6. collect (v.): br
12、ing things togetherTom collected some information for his homework. municate with: give and receive information, messages, signals, etc. In the past, people would often communicate with each other using letters. 8. cool (v.): make something become cool I put some ice into the glass to cool the water
13、 inside. 9. cut down: cut something to make it fall down They cut down the trees to build a wooden cottage. 10. destroy (v.): damage something so badly that it no longer exists or worksHis car was destroyed in a car crash.11. end (n.): the part of something that is further away from its centreTurn l
14、eft at the end of the corridor. 12. in danger: in a dangerous situationMany animals are in danger because hunters are killing them or destroying their homes. 13.interview (v.): talk with someone and ask him or her questions about something.Bob interviewed the writer about his new novel. 14. join (v.
15、): connect things togetherThe Channel Tunnel joins France and the UK. 15. natural (adj.): existing in natureSome desert countries have few natural resources. 16. project (n.): a piece of work that involves a careful study of a particular subjectIt took me two months to finish that science project. 1
16、7. warn (v.): say that something bad or dangerous may happenI tried to warn him to keep away from that dog, but he would not listen. b. ask students to review the new words explained just now. Then do some exercises to consolidate them. Ask student s to do the vocabulary Exercises C1 and C2. Guessing word meanings from the context. a. Explain the in
