一年级英语下册 Unit 8（3）课件 重大版

The Food PyramidLet life be all the more beautifulPresent Diet Structure With the development of the living standard, people‘s diet With the development of the living standard, people‘s diet structure is changing. To be amply fed and clothed is not the structure is changing. To be amply fed and clothed is not the only purpose now. People pay more attention to the nutrition only purpose now. People pay more attention to the nutrition of the food and they also care if it can make them vigorous of the food and they also care if it can make them vigorous and graceful at the same time. In theand graceful at the same time. In the pasttime, meat and , meat and eggs are considered as the most delicious. Nowadays more eggs are considered as the most delicious. Nowadays more and more vegetables take the place of the meat on the and more vegetables take the place of the meat on the table, since people know that there are much more vitamin table, since people know that there are much more vitamin and fibres in the vegetables than in the meat. Furthermore, and fibres in the vegetables than in the meat. Furthermore, vegetables can keep them fit. Meanwhile milk had been vegetables can keep them fit. Meanwhile milk had been accepted by the masses,because of its abundant nutrition. accepted by the masses,because of its abundant nutrition. The diet has become a kind of science. The diet has become a kind of science. The specialists The specialists are always telling people what food to eat,what to avoid and are always telling people what food to eat,what to avoid and what to be put together. All kinds of propanda what to be put together. All kinds of propanda advertisements hasten us f...