【C10】A．buildB．destroyC．conserveD．sustain

【C10】A．empowersB．reinforcesC．supportsD．sustains

回答（53）题 查看材料A.conveyB.destroyC.modifyD.acauire

【C11】A．spoilB．destroyC．breakD．ruin

There was no use ____ a dam where there was no water.A: to buildB: buildC: to building

【C10】A．retainingB．containingC．obtainingD．sustaining

There are plans _____ a number of atomic power station in this regions.A.to buildB.to