2021高考英语短文故事精读与语法填空训练（十七）一：语法填空训练Why,youmaywonder,shouldspidersbeourfriends?Becausetheydestroysomanyinsects,andinsectsincludesomeofthe(great)enemiesofthehumanrace．Insectswouldmakeimpossibleforustoliveintheworld;theywoulddevourallourcropsandkillourflocksand(herd),ifitwerenotfortheprotectionwegetfrominsect-eatinganimals．Weowealottothebirdsandbeastswhoeatinsectsbutallofthemputtogetherkillonlyafractionofthenumberdestroyedbyspiders．Moreover,unlikesomeoftheotherinsecteaters,spidersneverdotheleastharmtousorour(belong).Spidersarenotinsects,manypeoplethink,norevennearly relatedtothem．Onecantellthe(different)almostataglance,foraspideralwayshaseightlegsandaninsectnevermorethansix.Howmanyspidersare(engage)inthisworkonourbehalf?OneauthorityonspidersmadeacensusofthespidersinagrassfieldinthesouthofEngland,andheestimatedthereweremorethan2,250,000inoneacre;thatissomethinglike6,000,000spidersofdifferentkindsonafootballpitch．Spidersarebusyforatleasthalftheyearin(kill)insects．Itisimpossibletomakemorethanthewildestguessathowmanytheykill,buttheyarehungrycreatures,notcontentonlythreemealsaday．Ithasbeen(estimate)thattheweightofalltheinsectsdestroyedbyspidersinBritaininoneyearwouldbegreaterthanthetotalweightofallthehumanbeingsinthecountry.二：词句短语长难句释义Why,youmaywonder,shouldspidersbeourfriends?Becausetheydestroysomanyinsects,andinsectsincludesomeofthegreatestenemiesofthehumanrace．Insectswouldmakeitimpossibleforustoliveintheworld;theywoulddevourallourcropsandkillourflocksandherds,ifitwerenotfortheprotectionwegetfrominsect-eatinganimals．Weowealottothebirdsandbeastswhoeatinsectsbutall\nofthemputtogetherkillonlyafractionofthenumberdestroyedbyspiders．Moreover,unlikesomeoftheotherinsecteaters,spidersneverdotheleastharmtousorourbelongings.Spidersarenotinsects,asmanypeoplethink,norevennearly relatedtothem．Onecantellthedifferencealmostataglance,foraspideralwayshaseightlegsandaninsectnevermorethansix.Howmanyspidersareengagedinthisworkonourbehalf?OneauthorityonspidersmadeacensusofthespidersinagrassfieldinthesouthofEngland,andheestimatedthatthereweremorethan2,250,000inoneacre;thatissomethinglike6,000,000spidersofdifferentkindsonafootballpitch．Spidersarebusyforatleasthalftheyearinkillinginsects．Itisimpossibletomakemorethanthewildestguessathowmanytheykill,buttheyarehungrycreatures,notcontentwithonlythreemealsaday．IthasbeenestimatedthattheweightofalltheinsectsdestroyedbyspidersinBritaininoneyearwouldbegreaterthanthetotalweightofallthehumanbeingsinthecountry.1：将标记的词汇短语释义1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.\n1.2.3.4.5.6.7.8.9.10.11.12.2：长难句分析释义① ② ③ ④ 三：文意梳理你可能会觉得奇怪，蜘蛛怎么会是我们的朋友呢？因为它们能消灭那么多的昆虫，其中包括一些人类的大敌。要不是人类受一些食虫动物的保护，昆虫就会使我们无法在地球上生活下去，昆虫会吞食我们的全部庄稼，杀死我们的成群的牛羊。我们要十分感谢那些吃昆虫的鸟和兽，然而把它们所杀死的昆虫全部加在一起也只相当于蜘蛛所消灭的一小部分。此外，蜘蛛不同于其他食虫动物，它们丝毫不危害我们和我们的财物。许多人认为蜘蛛是昆虫，但它们不是昆虫，甚至与昆虫毫无关系。人们几乎一眼就能看出二者的差异，因为蜘蛛都是8条腿，而昆虫的腿从不超过6条。有多少蜘蛛在为我们效力呢？一位研究蜘蛛的权威对英国南部一块草坪上的蜘蛛作了一次调查。他估计每英亩草坪里有225万多只蜘蛛。这就是说，在一个足球场上约有600万只不同种类的蜘蛛。蜘蛛至少有半年忙于吃昆虫。它们一年中消灭了多少昆虫，我们简直无法猜测，它们是吃不饱的动物，不满意一日三餐。据估计，在英国蜘蛛一年里所消灭昆虫的重量超过了这个国家人口的总重量。四：语法填空练习Airpurifiers(净化器)domorethancleantheairinyourhouse.Itisoneofthebest 1 (tool)thatcanimproveyoursleep.However,onlycleanairpurifierscan\nhelpyousleep 2 (peaceful).Airpurifiers 3 blockedfilters(过滤器)mayproducealoudnoise.Thatwillnevermakeyoufallasleep.Instead,itwillwaketheperson 4 istryingtosleepinthenextroom.Makesureyoucleanthefiltersoftheairpurifiersfrequentlysothattheydon’tjustpurifytheair,butalsoavoid 5 (produce)anyuncomfortablenoise. Atthesametime,checkthemfrequentlytoensurethatthey 6 (be)inproperworkingorder. Youcaneithercleanthefiltersaloneoraskaprofessionaltodoitforyou.ForDIYcleaning,youcangoonlineandsearchfor 7 (person)careusermanuals(指南)toknow 8 totakeapartthefiltersandcleanthem.Itispossibletouseavacuumcleanertosuckthedust 9 (attach)tothefilters.Forsomeairpurifiers,thefilterscan 10 (take)out.Youcancleanthemusingliquidsoap,andputthembackinthepurifiersagain. 1.tools 考查名词。句意:这是改善睡眠的最佳工具之一。thebest为形容词最高级,修饰名词,设空处需填名词,tool意为“工具”,是可数名词,oneof后面需加可数名词复数形式。故填tools。2.peacefully 考查副词。句意:然而,只有清洁的空气净化器才能帮助你平静地入睡。设空处修饰动词sleep,需填副词。故填peacefully。3.with 考查介词。句意:过滤器堵塞的空气净化器可能会产生很大的噪音。设空处需填介词“带有,具有”,故填with。4.who/\nthat 考查定语从句。句意:相反,它会吵醒隔壁房间试图入睡的人。设空处引导定语从句,从句缺少主语,需用关系代词引导,先行词是person,指人,需用关系代词who/that。5.producing 考查非谓语动词。句意:确保你经常清洁空气净化器的过滤器,这样它们不仅能净化空气,还能避免产生任何令人不舒服的噪音。avoiddoingsth为固定用法,故填producing。6.are 考查时态和主谓一致。句意:同时,要经常检查,确保其工作状态正常。设空处缺少谓语动词,此处陈述客观事实,需用一般现在时,主语为they,谓语动词需用复数形式。故填are。7.personal 考查形容词。句意:对于DIY清洁,你可以上网搜索个人护理用户手册,了解如何拆卸和清洁过滤器。设空处修饰名词careusermanuals,需用形容词作定语。故填personal。8.how 考查不定式的复合结构。设空处构成不定式的复合结构,需用副词how作方式状语。故填how。9.attached 考查非谓语动词。句意:可以用真空吸尘器吸附在过滤器上的灰尘。已有谓语动词,设空处需填非谓语动词作后置定语,beattachedto为固定短语,意为“依附在……”;此处需填过去分词形式。故填attached。10.betaken 考查被动语态。情态动词can后面需加动词原形,主语thefilters和take为被动关系,需用被动语态。情态动词can的被动语态形式是:canbedone。故填betaken。
