活页综合提升练(二十)完形填空+阅读理解(限时35分钟)Ⅰ.完形填空Whenmyparentswerealive,theywerenotveryrich.Yettheyhelpedtheirtwoolder1timeaftertime.WhenDaddypassedaway,hisnotebookshoweddebts2fromseveralofhischildren.Iwasnotamongthem.I3borrowedmoneyandwhenIdid,Isetarepaymentplanand4toit.Itwasamatterof5withme.Icouldn’tstandowingmyparents—oranyoneelse—moneybecauseIwatchedthem6tohelpoutmyoldersisterswhentheywereinfinancialdifficultiesthemselves.Thesedays,afterthedeathofmyparents,Iamoneofthosepeoplewhocanbe7toforhelpwhentheyneedit.JustasIcan’tstand8otherpeoplemoney,Ican’tstandsayingnotowhoeverneedshelp.Idon’t9helpingothers,butIwouldbemorethangladiftheywouldmakea(n)10tohandlethingsthemselves,perhapsbydoingsome11planning—likeplanningnottospendmoneytheydon’thave!Beingreadytohelpothersisa12,butsometimestheresultwillbe13towhatyouexpect.I14rememberasachildwhatmyfatheralwayssaid,“Ifatfirstyoudon’tsucceed,try,tryagain!Helpingmychildrentoooftenhas15themfromlearningtokeeptrying.Useyour16:whoamongmychildrenwill17towalkifIsupplythemoneytobuyacar?Helpedoften,mychildrenlostgraduallytheabilityto18problemsthemselves.”Inmost19,whenpeoplefindyoucan20theywillaskyoumoreandmore.That’shuman,youknow.1.A.sonsB.daughtersC.brothersD.sisters2.A.absentB.apartC.dueD.different3.A.alwaysB.seldomC.oftenD.never4.A.stuckB.attachedC.agreedD.belonged5.A.pleasureB.courageC.prideD.sorrow6.A.struggleB.happenC.intendD.move7.A.referredB.turnedC.seenD.attended8.A.cheatingB.donatingC.lendingD.owing9.A.enjoyB.mindC.likeD.miss10.A.commentB.messC.excuseD.effort11.A.financialB.flexibleC.typicalD.particular12.A.deedB.dealC.virtueD.task13.A.contraryB.essentialC.potentialD.necessary14.A.canB.mayC.shallD.must15.A.bannedB.protectedC.preventedD.freed16.A.handB.legC.bodyD.head17.A.waitB.urgeC.threatD.choose18.A.solveB.assessC.seekD.analyse19.A.affairsB.choicesC.casesD.events20.A.obtainB.attainC.provideD.preferⅡ.阅读理解(A)【新闻报道类】Whenyourskingetsburned,it’snotonlypainful;it’sbadforyourbody.Burnedskincannotkeepthebacteriaout,soinfections(感染)arecommon.Doctorsoftenwrapburnsinbandagesforprotection,butarecentstudyshowsthatanewkindofbandagecanactuallyfightinfection.TobyJenkins,ascientistinEngland,workedonthestudy.Jenkinsandhiscolleaguesdevelopedamaterialthatcontainstinycapsules(胶囊).Toabacterium,thesecapsuleslooklikecellsjustwaitingtobedamaged.Thebacteriaattackthecellsbyreleasingpoisons.Butwhenthebacteriaattackthecapsules,thecapsulesfightback—byreleasingantibiotics(抗生素)thatknockoutanynearbybacteria.Thematerialwastestedontwotypesofharmfulbacteria.Whenresearchersplacedpiecesofthenewmaterialinadishwiththebacteria,thebacteriabarelygrewatall,whichisunusual.Thisobservationledtheresearcherstobelievethatthematerialreallyworks.Thescientistswantthebandagestoworkspecificallyagainstdangerousbacteria,sotheyalsotestedthematerialonaharmlesstypeofE.colibacteria.WhenthematerialwasplacedinadishwithE.coli,thebacteriagrewquickly—showingthatitdidn’tfooltheharmlessbacteria.Thisearlyexperimentshowsthatthematerialcanselectivelykilldangerousbacteria,butit’stooearlytostartusingthematerialinhospitals.“Thisisaniceapproachandthey’veshowninprinciplethatitworks,”saidChristopherBatich,abiomedicalengineerintheUS,whodidnotworkonthestudy.Whilehe’sexcitedabouttheresults,headdedthattherealworldismorecomplicatedthanthisexperiment.“You’dha...
