近几年关于食品安全的问题，一直是各国政府民众的关注，08年媒体揭露的中国婴儿毒奶粉事件就是因为添加了三聚氰胺，让社会
哗然，然而这种现象不仅出现在发展中国家，在发达国家中的食品生产中也很常见。化学添加剂包括杀虫剂（pesticide），抗生素（antibiotic），激素（hormones）等对人类带来了各种急性和慢性的疾病。但同时又能促进生产，保障食品质量和新鲜度等。
今天墨尔本文波雅思带大家看一个雅思真题剖析。
Chemicals in food production, do you think the advantages of using chemicals outweigh disadvantages?
问题是针对雅思题目中少见的食品添加剂的优缺点辩论，首段需要给出自己的观点，对于优点多于或少于缺点的看法。
Chemicals, such as pesticides and drugs, have been used in food production by almost all nations for many years. This phenomenon is not only restricted to developing countries, but is also proliferated among developed regions too. A criticism often levelled these days is that the adverse consequences brought about by high doses of chemicals can be detrimental to people and their health, this is despite it being a stimulant to food produce. Therefore, I contend that the advantages of using such supplements are outweighed by the fact that it is harmful to the health of people.
主体段一，优点的集合，由于不是重点，所以不需要侧重写，但论点要清楚简短。
Admittedly, the chemicals consumed in agriculture indeed accrue many benefits, especially in dramatically production and ensure a better quality of produce. In animal farming, drugs such as antibiotics and hormones are greatly helpful in boosting the growth of cows, cattle, chicken and many other animals for people to eat. More importantly, it can also cut down on feed requirement to save money for raising this stock. As a result, relying on varieties of chemicals in food production is such a common matter nowadays.
主体段二，缺点的辩证，本段里几个举例论证很出色，句型的多样化使用也是加分点。
However, being largely used in planting and animal farming, chemicals such as pesticides, antibiotics and hormones, can be seriously dangerous and harmful to human’s health. This is mainly because these extra addictive are mostly toxic and irritant, and the over-intake of them in the daily diet of general people will certainly expose them to related health issues, such as allergic reaction, breast cancer, heart disease and many other undesirable illness. For example, eating meat and other unacceptable high volume of hormones can lead to side effects including breast enlargement and ovarian cysts. Moreover, the over-size of antibiotics in fruits and vegetables may increase the possibility of breeding antibiotic-resistant strains of bacteria for people who eat these foods. Thus, the hazardous effects induced by these chemicals residues in food are the major concern for people today.
典型的优缺点题目的结论句，值得借鉴。
In conclusion, the disadvantages of adding chemicals are more than the advantages, a reliable and high quality of food supply is more of a challenge, but is definitely welcomed in mankinds’future living.
