专题限时训练(二十二)[史地自然型阅读理解](限时:25分钟)(一)ThePacificislandnationofNauruusedtobeabeautifulplace.Nowitisanecologicaldisasterarea.Nauru'sheartbreakingstorycouldhaveonegoodconsequence—othercountriesmightlearnfromitsmistakes.Forthousandsofyears,PolynesianpeoplelivedintheremoteislandofNauru,farfromwesterncivilization.ThefirstEuropeantoarrivewasJohnFearnin1798.HewastheBritishcaptainoftheHunter,awhalingship.HecalledtheislandPleasantIsland.However,becauseitwasveryremote,NauruhadlittlecommunicationwithEuropeansatfirst.Thewhalingshipsandothertradersbegantovisit,bringinggunsandalcohol.Theseelementsdestroyedthesocialbalanceofthetwelvefamilygroupsontheisland.Atenyearcivilwarstarted,whichreducedthepopulationfrom1,400to900.Nauru'srealtroublesbeganin1899whenaBritishminingcompanydiscoveredphosphate(磷酸盐)ontheisland.Infact,itfoundthattheislandofNauruwasnearlyallphosphate,whichwasaveryimportantfertilizerforfarming.Thecompanybeganminingthephosphate.Aphosphateminewasnotaholeintheground;itwasastripmine.Whenacompanystripmined,itremovedthetoplayerofsoil.Thenittookawaythematerialitwanted.Stripminingtotallydestroyedtheland.Gradually,thelovelyislandofNaurustartedtolooklikethemoon.In1968,Naurubecameoneoftherichestcountriesintheworld.Everyyearthegovernmentreceivedmillionsandmillionsofdollarsforitsphosphate.Unfortunately,theleadersinvestedthemoneyunwiselyandlostmillionsofdollars.Inaddition,theyusedmillionsmoredollarsforpersonalexpenses.Soonpeoplerealizedthattheyhadaterribleproblem—theirphosphatewasrunningout.Ninetypercentoftheirislandwasdestroyedandtheyhadnothing.By2000,Nauruwasfinanciallyruined.Expertssaythatitwouldtakeapproximately$433,600,000andmorethan20yearstorepairtheisland.Thiswillprobablyneverhappen.1.Whatmightbetheauthor'spurposeinwritingthetext?A.ToseekhelpforNauru'sproblems.B.Togiveawarningtoothercountries.C.Toshowtheimportanceofmoney.D.Totellaheartbreakingstoryofawar.2.WhatwasNaurulikebeforetheEuropeanscame?A.Richandpowerful.B.Modernandopen.C.Peacefulandattractive.D.Greedyandaggressive.3.TheecologicaldisasterinNaururesultedfrom________.A.soilpollutionB.phosphateoverminingC.farmingactivityD.whalehunting4.WhichofthefollowingwasacauseofNauru'sfinancialproblem?A.Itsleadersmisusedthemoney.B.Itspenttoomuchrepairingtheisland.C.Itsphosphateminingcostmuchmoney.D.Itlostmillionsofdollarsinthecivilwar.5.WhatcanwelearnaboutNaurufromthelastparagraph?A.Theecologicaldamageisdifficulttorepair.B.Theleaderswilltaketheexperts'wordsseriously.C.TheislandwasabandonedbytheNauruans.D.Thephosphateminesweredestroyed.(二)Ifyouareafraidofthedark,it'snotabigdeal.It'sperfectlynormaltofeelafraid.Afterall,animalsdo,too.“Fearmatters,”saysKarenWarkentin,anecologist.“It'sagoodthing,”sheadds,“becausefearmakesyoudothingsthatkeepyoualive.”Likekids,manyanimalsexperiencefearandtheyrespondtothefeelinginvarietyofways.Afrightenedturtlepullsitsheadandlegsinsideitsshell.Asmallfishwillswimawaywhenabig,hungryfishapproaches.Someanimalsrespondtofearinwaysyoumightnotexpect.Thefirstexampleisthatthefearofbeingeatencanscaresomefrogsrightoutoftheireggs.WarkentinmadethesurprisingdiscoverywhilestudyingredeyedtreefrogsinCostaRica.Inthisspecies,femalefrogsattachjellylikeclumps(果冻一样的块状物)oftheireggstotheundersidesofleaves.Theleaveshangonbranchesthatdangle(悬挂)overpo...