Unit1ChemicalIndustry化学工业Beforereadingthetextbelow,trytoanswerfollowingquestion:1. Whendidthemodernchemicalindustrystart?2. Canyougiveadefinitionforthechemicalindustry?3. Whatarethecontributionwhichthechemicalindustryhasmadetomeetandsatisfyourneeds?4. Isthechemicalindustrycapital-orlabor-intensive?Why?1.OriginsoftheChemicalIndustryAlthoughtheuseofchemicalsdatesbacktotheancientcivilizations,theevolutionofwhatweknowasthemodernchemicalindustrystartedmuchmorerecently.Itmaybeconsidere
