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教学用具:
PPT blackboard
教学步骤：
Step1 Warming up
Watch a video to lead in the topic of today’s lesson
Group work ：
Ask students to work in groups to talk about why does Rebecca say “I can’t imagine a world without trees?”and talk about their advantages.
Know more trees
Teacher shows three kinds of trees,then ask students what are the names of the trees.
Top tip
1)Introduce some link words, such as first(ly), Second(ly), for example, however, etc.
2)Ask students to pay attention to them while listening.
Step2 Listening
While listening
Show the exercise and ask students to predict the kind of the words
Play the tape for them to get and finish the Exercises.
Check the answers.
Read after the teacher or the tape.
Read by themselves.
Post listening
Review: Read the notes about pine trees. Try to sum up all the uses of a pine tree.
Step 3
Speak up
Work in groups to talk about this question.Why are trees so important?
The uses of trees.
Group discussion
Group presentation and see which group has listed the most uses!
Step4
Watch a video and then summarize.
Step5