1、食品安全问题 The food we eat every day seems to have a great effect on ourhealth.Although science has made big steps in making foodmore fit to eat,it has,at the same time,made many foods unfitto eat.Some research has shown that perhaps eighty per centof human illness is related to food and forty per cent
2、of canceris related to food as well.As we all know,that food is relatedto illness is not a new discovery.In 1945,some researchersrealized that things which are commonly used to keep colourin meats and other food additives(添加剂)caused cancer.Para 1 Readingfind out the topic sentence and key supporting
3、 detailsPara 1 Reading The food we eat every day seems to have a great effect on ourhealth.Although science has made big steps in making foodmore fit to eat,it has,at the same time,made many foods unfitto eat.Some research has shown that perhaps eighty per centof human illness is related to food and
4、 forty per cent of canceris related to food as well.As we all know,that food is relatedto illness is not a new discovery.In 1945,some researchersrealized that things which are commonly used to keep colourin meats and other food additives(添加剂)caused cancer.topic sentencesupporting detailsbad effect h
5、armful1 The food we eat every day seems to have a great effect on our health.2 Althoughscience has made big steps in making food more fit to eat,it has,at the same time,made many foods unfit to eat.3 Some research has shown that perhaps eighty percent of human illness is related to food and forty pe
6、r cent of cancer is related to foodas well.4 As we all know,that food is related to illness is not a new discovery.5 In1945,some researchers realized that things which are commonly used to keepcolour in meats and other food additives(添加剂)caused cancer.Para 1 Reading to find out the relationship betw
7、een topic and detailssentencefunctionKey wordsSentence 1Topic sentenceeffect healthsentence 2further explaining topicunfit to eatsentence 3further explaining sentence 2illness cancersentence 5explaining the cause of canceradditivesPara 1 writing Due to food additives,what we eat daily does harm to o
8、ur health.Due to food additives,what we eat daily threatens our health.Owing to additives,what we eat can cause illnesses and even cancers.Food with additives threatens peoples health and most diseases and even some cancers result from them.Para 2 reading(pick out the topic sentence and key supporti
9、ng words)Food additives are substances added to food to preserveflavour or enhance its taste and appearance.Some additiveshave been used for centuries.But with the advent of processedfoods in the second half of the 20th century,many moreadditives have been introduced,some of which have a verybad eff
10、ect on our health.What is worse,it is difficult for uscustomers to know which things on the wrappings of foods arehelpful or harmful.Para 2 reading to find out the relationship between topic and details1 Food additives are substances added to food to preserve flavour orenhance its taste and appearan
11、ce.2 Some additives have been used forcenturies.3 But with the advent of processed foods in the second half ofthe 20th century,many more additives have been introduced,some ofwhich have a very bad effect on our health.4 What is worse,it is difficultfor us customers to know which things on the wrappi
12、ngs of foods arehelpful or harmful.sentencefunctionKey wordsSentence 1definition of additives无关紧要，忽略。sentence 2present situation of additives无关紧要，忽略。sentence 3topic sentencemore additives bad effectsentence 5further explaining the seriousness of food additiveshard to know its harmpara 2 writing But
13、with the advent of processed foods in the second half of the 20th century,many more additives have been introduced,some of which have a very bad effect on our health.Later,with the appearance of processed foods,more additives have been used and they are harmful to our health.However,a growing number
14、 of additives have been put into food and people hardly judge which additives are harmful to our health.Para 3 reading pick out the topic sentence and key supporting words The additives which we eat are not all so direct.Farmers oftengive penicillin to their animals,and because of this,penicillinhas
15、 been found in the milk of cows.Sometimes similar thingsare supplied to animals not for their health,but just to make aprofit.For example,the farmers are simply trying to fatten theanimals in order to get a higher price on the market.Para 3 reading pick out the topic sentence and key supporting word
16、s The additives which we eat are not all so direct.Farmers oftengive penicillin to their animals,and because of this,penicillinhas been found in the milk of cows.Sometimes similar thingsare supplied to animals not for their health,but just to make aprofit.For example,the farmers are simply trying to
17、 fatten theanimals in order to get a higher price on the market.topic sentencesupporting detailsPara 3 reading to find out the relationship between topic and details1 The additives which we eat are not all so direct.2 Farmers often givepenicillin to their animals,and because of this,penicillin has b
18、een found inthe milk of cows.3 Sometimes similar things are supplied to animals not fortheir health,but just to make a profit.4 For example,the farmers are simplytrying to fatten the animals in order to get a higher price on the market.sentencefunctionKey wordsSentence 1topic sentenceindirect additi
19、vessentence 2example 1 to support topicpenicillinsentence 3example 2 to support topicsimilar thingssentence 5example to support sentence 3to fattenPara 3 writing The additives which we eat are not all so direct.Farmers oftengive penicillin to their animals,and because of this,penicillinhas been foun
20、d in the milk of cows.Sometimes similar thingsare supplied to animals not for their health,but just to make aprofit.For example,the farmers are simply trying to fatten theanimals in order to get a higher price on the market.改写：Worse still,the additives used in animals do harm to our healthindirectly
21、.Para 4 Although some countries have tried to control such things,thepractice continues.改写：Although some countries have made great efforts to controladditives,the situation still hasnt been changed yet.连句成文，注意衔接过渡Food with additives threatens peoples health and mostdiseases and even some cancers res
22、ult from food additives.However,a growing number of additives have been put into foodand people hardly judge which additives are harmful to our health.Worse still,the additives in animals do harm to our healthindirectly.Although some countries have made efforts to controladditives,the situation still hasnt been changed.Concise Accurate Coherent简洁准确连贯Thank you！