2017年12月大学英语六级选词填空练习（10）思维导图

AftertheviolentearthquakethatshookLosAngelesin1994,earthquakescientistshadgoodnewstoreport:Thedamageanddeathtoll(死亡人数)couldhavebeenmuchworse.Morethan60peoplediedinthisearthquake.Bycomparison,andearthquakeofsimilar__1__thatshookAmericain1998claimed25,000victims.

Injuriesanddeathswere__2__lessinLosAngelesbecausethequakeoccurredat4:31a.m.Onaholiday,whentrafficwaslightonthecity'shighway.Inaddition,__3__madetotheconstructioncodesinLosAngelesduringthelast20yearshavestrengthenedthecity'sbuildingsandhighways,makingthemmore__4__toquakes.

Inthepast,makingstructuresquake-resist-antmeantfirmyet__5__materials,suchassteelandwood,thatbendwithoutbreaking.Later,peopletriedtoliftabuildingoffitsfoundation,andinsertrubberandsteelbetweenthebuildinganditsfoundationto__6__theimpactofgroundvibrations.Themost__7__designsgivebuildingsbrainsaswellasconcreteandsteelsupports,calledsmartbuildings,thestructuresrespondlikelivingorganismstoanearthquake'svibrations.Whengroundshakesandthebuildingtipsforward,thecomputerwould__8__thebuildingtoshiftintheoppositedirection.Thenewdesignsshouldofferevengreater__9__tocitieswhereearthquakesofentakeplace.

Thenewsmartstructurescouldbevery__10__tobuild.However,theywouldsavemanylivesandwouldbelesslikelytobedamagedduringearthquakes.

[A]changes

[B]flexible

[C]decrease

[D]recent

[E]push

[F]reduce

[G]relatively

[H]safety

[I]resistant

[J]expensive

[K]force

[L]accordingly

[M]intensity

[N]security

[O]opposed