Section 4

　　食物和儿童健康

　　Information provided:

　　31. Survey for ingredients

　　32. Stored food quality in affecting the frozen food

　　33. Food saved should take into accountof cooking temperature changes

　　34. Pay attention to organic food in American market

　　Mass media’s disadvantages:

　　35. Supermarkets use price and image to attract customers

　　36. The source of the information

　　37. Prime motivation for companies: only concern for sales

　　38. Facilities such as for entertainment activities

　　39. Food safety and nutrition

　　40. Healthy choices depend on the lectures to parents

　　Section 4new edition for abook on Australian Aboriginal art

　　Advantages:

　　31. Provide the websites of artists, useful for research

　　32. Reference is useful for work as a team

　　Disadvantages:

　　33. It provides history of the arts, but lack the geographic display of the country

　　34. For all the arts survived, they are intended to artistic expression

　　Backgrounds:

　　35. 40000 years ago, for their house decorations, after used for kinds of ceremony

　　Bark painting and Maya:

　　36. Images painting on rocks

　　37. Encouraged to paint on various medias by western visitors

　　38. Bark painting 1950s, young people paint on their shelters as for decoration

　　39. Most prominent type: desert painting

　　40. 1970s, as one art of the global movements, it encourages people to paint on papers