A、wAtEr molECulE Consists oF two hyDrogEn Atoms AttAChED to A singlE, lArgEr oxygEn Atom. thE AnglE BEtwEEn thE two hyDrogEn Atoms is 120 DEgrEEs--thE sAmE AnglE As thE AnglEs oF A hExAgon--whiCh ACCounts For thE ChArACtEristiC six-siDED struCturE oF iCE CrystAls.
2. thE phrAsE ACCounts For in thE pAssAgE mEAns
A、ExplAins
B．DECrEAsEs
C．ConnECts
D．summArizEs