字典翻译 问答 其它 Mostforestfiresarecausedbyhumancarelessness,negligence,orignorance.Forestfireprevention,therefore,ismainlyaproblemofcreatingabetterunderstandingoftheimportanceofforests,anawarenessofthedangeroffireinthe
问题标题：
Mostforestfiresarecausedbyhumancarelessness,negligence,orignorance.Forestfireprevention,therefore,ismainlyaproblemofcreatingabetterunderstandingoftheimportanceofforests,anawarenessofthedangeroffireinthe
问题描述：

Mostforestfiresarecausedbyhumancarelessness,negligence,orignorance.Forestfireprevention,therefore,ismainlyaproblemofcreatingabetterunderstandingoftheimportanceofforests,anawarenessofthedangeroffireinthewoods,andasenseofpersonalresponsibilitytosafeguardtheforestsfromdanger.Thisisnotaneasyjob.Acitydweller,usedtopavedstreet,doesnoteasilychangehissmokinghabitswhenhegoesintothewoods.

Carelesssmokersareresponsibleforthousandsofforestfireseachyear.Manyofthesearestartedwhencigarettebuttsandmatchesaretossedfromautomobiles.Othersarecausedbyhunters,hikers,fishermen,orwoodsworkerswhoarecarelessindisposingoftheirsmokingmaterial.TheForestServicehaspostedrulesinmanyoftheNationalForeststhatprohibitsmokingexceptincertaindesignatedareas.Manyofthestateshavelawsagainstthrowinglightedmaterialsfromautomobiles.Thepreventionofsmoker-causedfires,however,dependsuponchangingtheattitudesandbehaviorofmillionsofpeoplewhosmokeinhazardousarea.

Themostimportantnaturalcauseoffireislightning.Thisaccountsfor11percentofforestfiresonprotectedlandfortheentirenation.Inthewesternstates,lightningcausesamuchhigherpercentageoffirethanitdoesintheeast.

Advancesinknowledgeoffireweatherarehelpingforestprotectionforcestoknowwhentobealertforlightning-causedfires.Adequateandwell-equippedforcescancontrolthemquicklyandholdthedamagetoaminimum.Experimentsin“seeding”thundercloudstopreventorcontrolthelightningitselfhavebeeninprocessformanyyears,butnewbreakthroughsareneededforanysignificantreductioninthelightningstarts.

1.Thepassageischieflyabout

A.smokinginforests

B.thechiefcauseofforestfireandtheirprevention

C.changingtheattitudesandbehaviorofmillionsofpeople

D.advancesinknowledgeoffireweather

2.Preventingsmoker-causedforestfiresismainlyaproblemof——.

A.buildingtheproperknowledgeandhabitsinhumanbeings

B.safeguardingtheforestfromfire

C.postingrulesinforests

D.holdingthedamagetominim

李育成回答：
　　1B2A3C4D 1.B。文章一开始作者就指出大多数森林火灾都是由人类的“carelessness，negligence，orignorance”造成 的。接着作者分别详细描述了两类火灾——人为引起和自然现象引起——的原...
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