M Step 2 Group presentation Resourceful case study; vivid pictures, diagrams, tables; convincing figures, authoritative quotations 2. Logical order in presentation evidences/cases of food safety---analyze the reasons and social impact---standards and laws---moral aspects---GM food---food crisis 3. Thought-provoking good summary of different cases; good analysis of reasons that explain the facts, good collection of related knowledgeStep 2 Group presentation 1. Resourceful: case study; vivid pictures, diagrams, tables; convincing figures, authoritative quotations 2. Logical order in presentation : evidences/cases of food safety---analyze the reasons and social impact---standards and laws---moral aspects---GM food--- food crisis 3. Thought-provoking: good summary of different cases; good analysis of reasons that explain the facts; good collection of related knowledge