转基因食物英文.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版文本样式,第二级,第三级,第四级,Page,*,单击此处编辑母版标题样式,转基因食物英文,内容陈说,Simple,Introduction,Advantages,and Disadvantages,Application,Conclusion,I,II,III,IV,Topic The GM Food,I,II,IV,III,Simple Introduction,Genetically modified(GM)foodsare foods derived fromgenetically modified organisms.Genetically modified organisms have had specific changes introduced into their DNA bygenetic engineering techniques.,the process of gene embedding,I,II,IV,III,Simple Introduction,From the 1980s,America has begun the exploration on GM organisms.The first batch of GM food such as tomato has been put into production since 1993.Until 2023,GM food has taken up more than 60%of the processed food in the US.Even in China,the GM food also has gradually invaded into the course of food processing in an anonymous way.,I,II,IV,III,Advantages and Disadvantages,Increase,production,Using GM,technology,we can raise the prduction,of the crops and cattles significantly.,I,II,IV,III,Advantages and Disadvantages,Generate new traits,to meet peoples demand,Such,As,hehe.,I,II,IV,III,Advantages and Disadvantages,Improve the nutritional content,By embedding special gene in plants and making it expressed,the plants will become a treasury of different,nutrition,and a vaccine against disease,I,II,IV,III,Advantages and Disadvantages,In fact,the GM,technology,can do much more than described above,especially when our science is speeding up.At the same time,its novelty is its weakness,after all,the GM,technology,is not yet mature.We havent had a long enough period to observe its overall influence on the nature.The GM,technology may lead to some irreversible damages,on the safety of human body and enviroment,.,W,hen,we,find a flaw,it,must be,quite large,.,I,II,IV,III,Advantages and Disadvantages,I,II,IV,III,Application,Although the GM,technology,was born and grows with controversies,the extent of its application is becoming more and more large all over the world.,the area of the plantation of the GMF,I,II,IV,III,Application,Diffenent countries react to the GMF in different attitudes.,From the table we can read that America is fairly optimistics towards the GMF,on the other side,the EU appears quite cautious.,I,II,IV,III,Application,Any position in the process of GMF popularization has its own reason.But for China,the biggest devloping country with the largest population and relatively few land,the highest priority is to establish especialized laws and regulations for GMF.Only under the clear guideline of the goverment can we reduce senseless arguments and social panic,so we are able to move on in the right direction of the production of GMF.,I,II,IV,III,Conclusion,When I finished this article,I feeled the GMF technology is indeedly an excellent solution to the future food problem.But,right now,this technology is not mature yet and we dont have to put it into production in a wide range.In my opinion,we cant be too aggressive to promote the research on GMF,but,we can slow down our pace a little to put it into practice.,-this is my conclusion,谢,谢,