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1、生活中的化学选修论文-副本（Chemistryelectivepapersinlife-acopy）ChemistryinlifepaperName:HuXinStudentID:20081573Major:SoftwareEngineeringWatchoutforchemicalcarcinogensinyourlifeKeywords:carcinogenesis,additives,smoking,cosmetics,preventionChemistryisabasicnaturalscience.Itisofgreatsignificancetohumandevelo
2、pmentandhasalottodowithlife.Asweallknow,thingsaroundusaremadeupofmanychemicalelements,includingmanyoftheelementsthatareindispensabletoourbodies.Accordingtosomechemicalknowledgeandphenomena,itcanalsohelppeopletodosomeusefulthingsincommon.Clothing,food,shelter,transportationanduseareallaroundth
3、eworld.Withthedevelopmentofproductiveforcesandtheprogressofscienceandtechnology,chemistryhasbecomemoreandmorecloselyrelatedtopeople'slife.Chemistryhasplayedaninvaluableroleintheproductionandlifeofmankind.However,anytransactionhastwosides,andbringsussomeconvenience,butitalsobringsussomepotenti
4、alharm.Allkindsofchemicalindustrywastewaterpollution,wastesmokenotonlycausedenvironmentalpollutiontothenature,alsodoharmtopeople'shealth,andsomeiscausedbyournormaleatinganddrinkingandotherhumanbodydamage,whichisthelargestnumberofcarcinogenicchemicals,andsomeoftheseisthatwecanavoidthe.Thefollo
5、wingarethemostcommonAsthesayinggoes,"Aclosemouthcatchesnoflies.,indeedinnowthemostbasicfoodwillaffecthumanhealth,accordingtoasurvey,incancerpatientsinourcountry,abouttheoccurrenceof35%-50%isrelatedwithfood,foodprocessingandsoon,whichismainlyduetoavarietyoffoodadditivesinfoodby.Nowadays,additi
6、vesareakindofchemicalsynthesisornaturalsubstancewhichcanimprovethequalityoffood,prolongtheperiodoffoodpreservation,facilitatetheprocessingoffoodandincreasethenutritionalcontentoffood.Forexample,acidityregulator,coloragent,enzymepreparation,flavoringagent,anticakingagent,defoamingagent,antioxi
7、dant,bleachingagent,leaveningagent,preservative,sweetenerandthickener,spicesandsoon,forexample,inthepasthadbeenusedasamargarinecoloring"creamyellow",andthatofeveryhuethevariousadditives,causingalotofpotentialharmtoourbody,ofcourse,ifinstricta
