L3-U2懂你英语[文档标题]L3-U2-1/4listeningScienceMattersstate/test1AMatterismadeofatomsandmolecules.1.WaterforexampleistheH2Omolecules.2.Thismeansthatthemoleculeofwaterhasthreeatoms.3.Awatermoleculehastwohydrogenatomsandoneoxygenatom.4.Substanceslikesugarhasmanyatomsintheirmolecules.5.Amoleculeofsugarhasmanyatomsincludingcarbon,hydrogenand6.oxygen.Bmolecule.watertheasH2O,whichismade1.Matterisofm...
