内容正文:
Unit 13 We’re trying to save the earth!
Section A(1a-1c)
Teaching Aims
· Language goals
To talk about pollution and environmental protection.
· Key words and phrases
litter, bottom,fisherman, environmental protection
· Key sentences
1. People are throwing litter into the river. Even the bottom of the river is full of rubbish.
2. Everyone in this town should play a part in cleaning it up!
Teaching Difficulties
Let Ss talk about pollution and environmental protection.
Teaching Aids
Pictures, CAI, multimedia courseware or other realia that the T needs for teaching
Teaching Procedures
Tips
Step 1 Warming up
· Let Ss watch a video about people and nature. Ask Ss to answer the following questions according to the video:
1. What do people do with the forests and animals in the video?
2. What will happen if people continue to harm the nature?
3. What can we do to protect the nature?
(Tip: T can ask Ss to discuss the above three questions in groups and then share their answers to the whole class. Answers will vary.)
· Brainstorm & Lead in
Step 1: Ask Ss to work in groups of four and let Ss discuss the pollution they know.
Step 2: Ask each group to summarize their discussion using thinking map (e.g. webbing chart).
Step 3: T shows the pictures of different kinds of pollution (PPT P9-P12) to Ss and let them learn some new phrases about pollution, e.g. noise pollution, air pollution, land pollution, etc. (Tip: T may want to evoke Ss’ desire for environmental protection by using the pictures.)
· Free Talk
T asks Ss to think about the following two questions individually and then encourage some of them to share their opinions.
1. Do you know what caused the pollution?
2. What should we do to save the earth?
Step 2 Presentation & Practice
1a
· Ask Ss to read the words in the box first and then classify them by different types of pollution.
(Tip: T may wish to ask Ss to complete the activity as a class, then have Ss work in pairs to think of more words to