Answer

I choose question 6,8,9,12,13,14
So,the answer of 6 is: organic food means green food,it is healthy,nature.The process of organic food is so strict.It must follow some principle,such as use nature method to run it,prohibit chemical drug and so on. Pros of organic :it has higher nutrition,and it very clean,and it friendly for environment.But there has some cons:organic food is expensive than other foods,and the production of organic foods is limited,if we want to increase it,we must use more land,but if we plant more organic food,the tradition food's production will decrease.So,some poor people will face pressure for food.

Answer of 8 is:absolutely we need vitamin,because it is very significant for our body.1.Vitamin A's fnctions : is needed for new cell growth, healthy skin, hair, and tissues, and vision in dim light .2.Vitamin B' function: is needed for energy metabolism and the proper function of the nervous system,and is needed for energy metabolism, building tissue, and helps maintain good vision,is needed for cell growth.is needed for building proteins in the body, red blood cells, and normal function of nervous tissue. 3.Vitamin C'function:needed for the formation of collagen to hold the cells together and for healthy teeth, gums and blood vessels; improves iron absorption and resistance to infection. 4.AND VITAMIN D FUNCTION: promotes absorption and use of calcium and phosphate for healthy bones and teeth. 5.VITAMIN E FUNCTION:protects red blood cells and helps prevent destruction of vitamin A and C.


Answer of 9 is:Tofu incloude element Ca,fe,P,Mg.And have protein,carbohydrate.



Answer of 12 is:Fry Chicken,French Frish,Ice-cream,Cola are some junk foods.If we eat much junk food,it can cause fat,high blood pressure,heart disease.



Answer of 13 is:There are some foods must prohibit during pregnancy times.They are Raw meat,Raw eggs,Soft cheese,Fish containing accumulated levels of mercury in their fatty tissues,Fish containing high levels of an industrial pollutant called polychlorinated biphenyls (PCBs) in their fatty tissues.Because all of is food it harmful for baby and mami,it can make baby illness,if it very serious,Mami will abortion.



Answer of 14 is:Food additives can enhance the flavor and keep food fresh,make food keep long time.And can make food look like beautiful,moreover it can make food have much nutrition also.