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Teaching procedure:
Step1.Talk about the smoggy weather with the students.Talk about suggestions on reading the smoggy days and elicit the topic of planting trees.
Step2.Practice
Listen to the dialogue among Li Ming,Wang Mei and the worker,then write true(T)or false(F).
Li Ming and Wang Mei were having a picnic on a farm.( )
They asked a teacher for help.( )
Li Ming saw another group of pepole on the hillside.( )
Wang Mei really liked the project.( )
Read the dialogue and order the steps of planting a tree.
Step3.Discussion
People have destroyed the earth.Ask the students to think “What other bad things do people do to the earth?”
Step4.Production Progress
Give the students two tasks of the topic to choose.
Step5.Board Design
Lesson 7 Planting Trees
Key steps: Key reasons
dig Environment is changing
put Dust storm
cover windy ,dirty
pack rich lands turn into desert