初二英语首字母填空
Agreatdealofwaterisneededinlargecities.Somecitiespumpwaterfromwells.Somecitiesg(et)waterfromlakesorriversn(early).Butsomecitieshavetobringwaterfromlakesorriversmanymilesaway.Waterisusuallyb()toacityfromaplacehigherthancityitself.Whenwaterisf()onlyinthelowerplace,itmustbepumpeduptothecity.Thenitiss()toeachhome.
Damsareoftenb()inarivertokeepthewaterfromflowingaway.Thenanewlakeifformed.Thecityknowshowmuchwaterwillben()andallowstheextrawatertoflowbelowthedam.I()theway,thecitystorswaterforitsuse.
Thereisusuallyab()nearthedam.Muchimportantworkisd(ifficult)there.Forexample,thewateristastedbeforeitispipedtothway.
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