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四、教学过程：
Step 1 Pre-reading
1.know the learning aims
2.Talk about the Earth with the students
3.(PPT)The Earth is sad. We can do something to protect the Earth.
(Learn: protect)
Step 2 While-reading
look and say
what about the Earth?
There is not too much …./there are not too many….
2.Watch the cartoon
Q: How can we protect the Earth? (Learn: save, energy, plastic)
(1) Save water Save energy Save trees
(2) Don’t use too much plastic
2. Read and write
Complete the sentences. Check out the answers.
Q1: What do we use water to do? (Learn: We use water to …)
Q2: (PPT) Can we use water like him? (Learn: waste)
(2) Listen, read and think
Q: What should we do?
We should reuse and save it. (Learn: reuse)
Read and find
Why do we…? Read the passage
Learn one by one.( Learn: most…. )
3.Read the passages
Read the whole text with the cartoon
Good memory
Let the Ss to remember the passages.
Step 3 After-reading
Try to be a spokesman