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lty speaking confidently when facing all the class. Procedure: Steps Learning activities Teaching purposes Leadin Watch a video Guess what unhealthy food it is To arouse students’ interest and engage themselves in it. Input 1 Review Joe and Alice’s diet To elicit the sentence pattern: A is healthier than B. B is not as healthy as A. B is less healthy than A. more examples. To strengthen the pattern “not as…as…。 less a./ad. than…” 3. Get to know how to pare two things To have students practice t