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教学过程：
Step 1 Pre-reading
Enjoy a video about the Earth
T: First, let’s enjoy a video.
Talk about the Earth with the students
What’s on her surface? (Learn: Earth, useful)
What’s in her body? (Learn: coal, oil, energy, most of)
T: OK, boys and girls, who is she?
S: She’s the Earth. 教学Earth
T: Do you remember what’s on her surface? Look! There are a lot of...
S: There are a lot of trees/mountains/flowers... 板书trees（听到There are lots of trees on Earth.）
T: Look, there is a lot of water in the rivers, lakes and oceans. 板书water
Water is a kind of resources on Earth. And water is very useful. 教学useful
Let’s have a look! What’s in her body? There is some oil, coal and some buried treasure. I think you are very interested in treasure. Yes? Me too. But I think oil and coal are very important in our daily life. Look! We use coal to make electricity. We use oil to make gas. Most of our energy comes from coal and oil.教学energy most of
(PPT)The Earth is sad. We can do something to protect the Earth. (Learn: protect)
T: There were lots of things on Earth. She used to be very happy. But now, look, she’s
very sad. Boys and girls, I think we should do something to protect the Earth.
Today we will talk about how to protect the Earth. 标题贴黑板 教学
Step 2 While-reading
Watch the cartoon
Q: How can we protect the Earth? (Learn: save, plastic)
Save water Save energy Save trees
Don’t use too much plastic
T: But how can we protect the Earth? Let’s watch the cartoon and try to answer this question.
T: How can we protect the Earth in this cartoon? Can you tell me four ways?
板书四个标题 教学plastic
Passage 1 Save water
Look and say
Q1: What do we use water to do? (Learn: We use water to …)
Q2: (PPT) Can we use water like him? (Learn: waste)