Volunteeringgivesyouagoodchancetochangelivesincludingyourown.Ifyou’refeelingamazedbythenewsofadisastervolunteeringtohelpcanbeagreatwaytomakeyoucomfortable.Ifyou’dliketosupportacausebutcan'taffordtodonate(捐献)moneyyoucandonateyourtimeinstead.

  HelpingothersinneedissuchanimportantpartoftheAmericansJwayoflifethatmanyhighschoolsasktheirstudentstospendtimevolunteeringinordertograduate.

  Unlikeschoolwithvolunteeringyouhavetogettochoosewhatreallyinterestsyouandwho(orwhat)ismostdeserving(值得)ofyourtime.Herearesomeideastogetyoutostart：

  Helpkidslearnandgrow.BecomeaBigBrotherorBigSisterorvolunteerforanafter-schoolsportsprogram.SpecialOlympicgamesandeventsaregreatwaystogettoknowspecial-needskids.

  Helptheenvironment.Joinaconservationgroupandhelpoutwithriverpreservation(保护).Takepartinalocalparkcleanupday.Youcouldalsohelpoutinaparkofficeoreducationcenter.

  Ifyouhavemorethanonethingyoulovefindawaytoputthetwotogether.Forexampleifyoulovekidsandaregreatatartvisityourlocalchildren'shospitalandoffer(提供)artactivitiesforyoungpatients.

 根据短文内容，回答下列问题。

1.WhatdomanyhighschoolsinAmericaasktheirstudentstodoinordertograduate?

2.Whatcanyoudoifyoulovekidsandaregoodatart?

3.Howcanyoufeelbetterwhenyouhearthenewsofadisaster?

4.What'sthemainideaofthepassage?