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ID:23981164
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时间:2018-11-12
《we have always been warned of the dangers of forest fires完形填空答案》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、Wehavealwaysbeenwarnedofthedangersofforestfires完形填空答案 Wehavealwaysbeenwarnedofthedangersofforestfires.Theycause_____85_____toaforest.Theykillmanyplantsandanimalsinaneco-system,whichisagroupoflivingthingsandtheirenvironment.Buthaveyoueverheardofaforestfirethatcanbe_____86_____foraforest?Peoplest
2、artsomeofthefireswithaspecialreasontoactuallydogoodtotheeco-system. Infact,firesareanaturalpartofanyeco-system.Withoutfires,theoldestandlargesttreeswouldstopsunlightfromreachingtheforestfloor.Firescan_____87_____someoftheseoldtrees.Whenthetreesdie,theyprovidesomethinggoodfortheearth.Newtreescan
3、growstrongandhealthyintheirplace. Sometreesevenneedfirestogrow.Thesetreesholdtheirseeds(种子)inside.Heatfromafireallowsthecoatoftheseedstoopenup.Thentheseedsfalltothegroundandhavethe_____88____togrow/ Scientist,whoknowaboutnature’sneeds,startsomeofthesefires,calledcontrolledburns.Afireisstarteda
4、ndkeptundercontrol.Thisway,thefiredoesnotspreadoutoftheareaor_____89_____aafterforestfires,theycangohungry_____90_____theirfoodhasbeendamagedinthefire.Small,controlledfiresmeanthananimalswillnothavetomovefartofindfood.Aftersometime,smallplantsbegintogrow.Animalsreturnsoonaftertheplantsreturn.Thi
5、s_____91_____makesaneco-system. Sothenexttimeyouhearaboutaforestfire,thinkaboutthegoodaswellasthebad.Itmaytakeaneweco-systemawhiletoreturn,butitwilllikelycomebackstrongerandhealthierthanever. )illnessB)difficultyC)damageD)flood 2.A)helpfulB)powerfulC)harmfulD)awful 3.A)taketheplaceofB)getrea
6、dyforC)bebadforD)getridof )timeB)waterC)chanceD)skill )discoverB)coverC)butD)waste 6.A)becauseB)althoughC)butD)so )almostB)againC)neverD)even 【解析】【主旨大意】 文章指出森林火灾并不像人们想象的那样一无是处,有时候,可控范围内的火灾不仅无害而且还具有积极意义。比如,可控制的火灾可以使森林里的老树、死树烧掉,使阳光能够照射到地面;火灾烧掉了一些种子外层包裹的厚厚的皮,并让种子有机会得以在地面上生根发芽。 1.该句意为“森
7、林火灾会对森林引起毁坏”,damage名词,意为“毁坏、损害”,flood名词,意为“洪水”;illness意为“疾病”选项C意为“困难”,故由句意答案选C; 2.由后边的那句话可以知道“有时候森林火灾对森林系统还是有帮助的”,故答案选A; 3.该句意为“森林火灾可以烧掉一些老树”,getridof意为“去掉,除去”,故选D;而选项A为“取代,代替……”,选项B是“为……做好准备”,选项C为“对……有害处”,A、B、C均不符合题意; 4.
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