2019-2020学年鲁科版选修3 第2章 化学键与分子间作用力 本章测试

2019-2020学年鲁科版选修3 第2章 化学键与分子间作用力 本章测试，扫描并关注下面的二维码，获取相关答案！

THEBUILDINGonBahnhofstrasseisnolongerthere.Idon’tknowwhenorwhyitwastorndown.Iwasawayfrommyhometownformanyyears.Thenewbuilding，whichmusthavebeenputupintheseventiesoreighties，hasfivefloorsplusfinishedspaceundertheroof，isdevoidofbalconiesorarchedwindows，anditssmoothfa？adeisanexpanseofpaleplaster.Aplethoraofdoorbellsindicatesaplethoraoftinyapartments，withtenantsmovinginandoutascasuallyasyouwouldpickupandreturnarentedcar.There’sacomputerstoreonthegroundfloorwhereoncetherewereapharmacy，asupermarket，andavideostore.Theoldbuildingwasastall，butwithonlyfourfloors，afirstfloo（1）定义：电荷在电场中，由于电场和电荷间的相互作用，由位置决定的能量。电荷在某点的电势能等于电场力把电荷从该点移动到零势能位置时所做的功。roffacetedsandstoneblocks，andaboveitthreefloorsofbrickworkwithsandstonearches，balconies，andwindowsurrounds.Severalstepsleduptothefirstfloorandthestairwell；theywerewideatthebottom，narrowerabove，setbetweenwallstoppedwithironbanistersandcurvingoutwardsatstreetlevel.Thefrontdoorwasflankedbypillars，andfromthecornersofthearchitraveonelionlookedupBahnhofstrassewhileanotherlookeddown.Theentrywaythroughwhichthewomanhadledmetothetapinthecourtyardwasasideentranc 1、数学代表法e.IhadbeenawareofthisbuildingsinceIwasalittleboy.Itdominatedthewholerow.Iusedtothinkthatifitmadeitselfanyheavierandwider，theneighboringbuildingswouldhavetomoveasideandmakeroomforit.Inside，Iimaginedastairwellwithplastermoldings，mirrors，andanorientalrunnerhelddownwithhighlypolishedbrassrods.Iassumedthatgrandpeoplewouldliveinsuchagrandbuilding.Butbecausethebuildinghaddarkenedwiththepassingoftheyearsandthesmokeofthetrains，Iimaginedthatthegrandinhabitantswouldbejustassomber，andsomehowpeculiar—deafordumborhunchbackedorl"