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. Lead students to turn their focus to ans of the body by concluding: Different suffixes and prefixes have their specific meanings and you will find it easier to recognize those seemingly new words coated with prefixes and suffixes. If we call these suffixes and prefixes “ ORGANs” of the vocabulary, then the “ ORGANs” of our body are also playing different roles and having different jobs to do. 2. Ask students to tell what human ans they have already been able to express in English. (Expected answers: liver, heart, etc.) 3. Introduce some of the major ans of the human body by presenting a picture with arrow illustrations. Ask them to tell what they are according to their positions. And introduce relative English words. Ask students to explain their functions in English. 4. Activity 1 Matching. Abstract five parisons based on the passage on Page 47 and ask students to do matching and tell why. The reasons can be different f