【正文】 s filtering, degerming, or lowtemperature evaporating, to guarantee food quality harmless to human addition, many trace elements and other nutrient vitamins are, through advanced operation, poundedin the food in order to improve the nutrient position of the food , it is fairly assertive and parochial to claim fertilizers and machinery have a negative more ironically, if human beings did not apply them in food production today,there would be no way to feed growing world was previously stated and well discussed, the role and function of fertilizers and machinery in food production is overgeneralized and , they both serve well in food production, and their flaws are avoidable most of time.第二篇：雅思高分作文 教育類 is generally believed that education is of vital importance in individuals’ development and wellbeing of should education consist of to fulfill both these functions?With the rapid development of modern society, education is being more and more crucial to both individuals and issue over what education should consist of has considerably aroused people’s wide this essay, I seek to explore this plicated topic from diverse perspectives and what influence could be the most important aspects education should consist of, one should be stressed is professional knowledge one hand, under the fierce petitive circumstance, people who have professional skills and experience attract many big , study about one special area gives people more opportunities to hurt an ideal the other hand, this education is also significant to develop societies in a long the second place, what is also worth noticing is that physical education is necessary for students, especially for you want to achieve successfully in the modern societies, strong body is the first premise, which makes you always in education should push people to take care themselves and this could bring great benefits to the healthy but not least, we should not lose sight of psychological problems are serious nowadays and a sizable percentage of people suffer from survey conducted by a famous research organization indicates that over 40 percent of students have various psychological problems, who really need help from school and worse, if such problems cannot be solved, they could hamper the progress of wellbeing from what I have been discussed above, we may safely draw the conclusion that three aspects cannot be separated in education, which play vital important roles in the growth of individuals and fulfillment of both people and societies can be done as long as we lay emphasis on three aspects mentioned Society is a long period of building and the time man lived in dank caves to nowadays when he lives in such amodern life with a lot of excellent modern life, theexcellent facilities was not a present from was made by people ofall generations who always learned from the past and developedeverything they had learned from , I totally disagree with thestatement above that learning about the past has no first reason for this is that learning about the past brings us all theknowledge and information in the yesterday, there is no society can develop only when its people inherit andunderstand the achievements of the precursors because the precursors39。achie