高二下学期英语unit11

ExercisesforUnit11Ⅰ.Multiplechoice:1.Anewcureforthediseaseis______tobediscovered.A.like B.likely C.possible D.probable 2.Doyouagreetotheplan______atthemeeting?A.toputforward B.toputaway C.putforward D.putup 3.Thedirectoronlandaskedthepilotto______hisposition.A.locate B.grasp C.announce D.arrange 4.Theywerefilledwithjoywhenthey______inthisbeautifulisland.A.setfree B.setfoot C.paidvisit D.reached5.Hewas______bynewhope.A.cometolife B.cometrue C.rejuvenated D.boomed 6.TheOlympicshavealready______ourcountry’sbreathtaking(惊人的)economicprogress.A.showcased B.achieved C.boomed D.grasped7.Don'tforgettotakethe_______withyou.A.luggages B.baggages C.twopiecesofluggages D.twoluggages 8.Afterthepresidentmadeanofficialannouncement,sheexpressedher_____opinion.A.personal B.private C.single D.individual9.Listeningattentivelyis_______ofthecrowd'srespectforthespeaker.A.significant B.significance C.sigh D.signal10.－Susan,willyoupleasegoandemptythatdrawer? －______?(2004NMET)A.Whatfor B.Whatisit C.Howisit D.Howcome11．----Whydothesephotoslookso__________?-----Thefilmwasnot_________intherightway.A.black;washedB.dark;developedC.bad;printedD.wrong;worked12.Themangot_________inthemire(泥潭)andstartedfalling.A.stuckB.stickingC.struckD.tostick13.Bethundevotedhiswholelifeto______.A.befitmankindB.befitthemankindC.befitingmankindD.befitingthemankind14.Theairline______foraplanetotakeustoBostonyesterday.A.calledB.arrangedC.asked D.sent15.______teaches______.A.Failure;successB.Success;failureC.Fail;succeed D.Succeed;failⅡ.Readingcomprehension:(A)Theyear2005hasbeenayearofdisasters,butthebadluckoftheplanetwon'tendwiththeyear.Ifscientistsareright,planetearthis31yearsawayfromamajordisaster.Asmallnear-earthobjectwiththepotentialtocausebigdamagehasgrabbedtheattentionofobserversaroundtheworld.

Astronomershavebeenmonitoringtheprogressofa390-metre-wideasteroid(小行星)eversinceitwasdiscoveredlastJune.Theypredictthatitcouldhittheearth,causinghugedamage,in2036.Theyareaskinggovernmentstodevelopastrategyfordeflecting(使偏离)theasteroid,whichwasnamedApophisafteranancientEgyptiandemon(魔鬼).

NASA(美国国家航空和宇宙航行局)estimatesthatanimpactbyApophiswouldreleasemorethan100,000timestheenergyofthenuclearblast(爆炸)thatdestroyedHiroshima.Thewholeplanetwouldseetheeffectsofthedustreleasedintotheatmosphere.

AnApophishitistheworstpossiblenear-earthscenarioinrecordedhistory.Theasteroidhasa1in37chanceofhittingtheearth.

Morethan30years'warningofpotentialimpactmightseemlikeplentyoftime.Butscientistsinsistthatthereisactuallylittletimelefttodecidewhattodo.Itcouldtakedecadestodesign,testandbuildthetechnologytodeflecttheasteroid,theysay.

16.WhyhavetheastronomersbeenmonitoringtheprogressofApophis?

A.Tomakeascientificstudy.

B.Tolandonitinthefuture.

C.Tofindwaystochangeitsdirection.

D.Todestroythepotentialenemy.

17.WhichofthefollowingisNOTareasonforApophistobeapossiblemajorconcern?

A.Noasteroidbeforehashadsuchabigchanceofhittingtheearth.

B.HugedamagewillbecausedifApophisreallyhitstheearth.

C.Timeisagainstmanpreventingthedisasterhappening.

D.Notenoughobservationsonasteroidshavebeendone.

18.Theunderlinedword"impact"probablymeans______.

A.strikingtheearth

B.ahugeeffecttobeproduced

C.dangerthatmightbecaused

D.calculationofitsenergy

19.Whatwouldbethebesttitleforthetext?

A.Apotentialmajordisaster

B.Anuclearblast30yearsaway

C.Deflectingtheasteroid

D.Ayearofdisasters

20.Theauthorwouldprobablygoontowriteabout______.

A.waystopreventthedisasterhappening

B.whatobservationshavebeendoneofApophis

C.othertheoriesthatdon'tconsiderApophisadanger

D.otherasteroidsthatoncehittheearth(B)Readingtodogsisanunusualwaytohelpchildrenimprovetheirliteracyskills（读写能力）Withtheirshiningbrowneyes,waggingtails,andunconditionallove,dogscanprovidethenonjudgmentallistenersneededforabeginningreadertogainconfidence（自信心）,accordingtoIntermountainTherapyAnimals(ITA)inSaltLakeCity.Thegroupsaysitisthefirstprograminthecountrytousedogstohelpdevelopliteracyinchildren,withtheintroductionofReadingEducationAssistanceDogs(READ).TheSaltLakeCityPublicLibraryissoldontheidea."Literacyspecialistsadmitthatchildrenwhoreadbelowtheleveloftheirfellowpupilsareoftenafraidofreadingaloudinagroup,oftenhavelowerself-respect,andregardreadingasaheadache,"saidLisaMyron,managerofthechildren"sdepartment.LastNovemberthetwogroupsstarted"DogDayAfternoon"inthechildren"sdepartmentofthemainlibrary.About25childrenattendedeachofthefourSaturday-afternoonclasses,readingforhalfanhour.Thosewhoattendedthreeofthefourclassesreceiveda"pawgraphed"bookatthelastclass.TheprogramwassosuccessfulthatthelibraryplanstorepeatitinApril,accordingtoDanaThumpowsky,publicrelationsmanager.21.Whatismainlydiscussedinthetext?A.Children"sreadingdifficulties.B.Advantagesofraisingdogs.C.Serviceinapubliclibrary.D.Aspecialreadingprogram.22.Specialistsusedogstolistentochildrenreadingbecausetheythink_______.A.dogsareyoungchildren"sbestfriendsB.childrencanplaywithdogswhilereadingC.dogscanprovideencouragementforshychildrenD.childrenanddogsunderstandeachother23.Bysaying"TheSaltLakeCityPublicLibraryissoldontheidea",thewritermeansthelibrary_______.A.usesdogstoattractchildrenB.acceptstheideaputforwardbyITAC.hasopenedachildren"sdepartmentD.hasdecidedtotrainsomedogs24.A"pawgraphed"bookismostprobably_______.A.abookusedinSaturdayclassesB.abookwrittenbythechildrenC.aprizeforthechildrenD.agiftfromparentsⅢ.Spelling:1.S_______energyisimportantforustoday.2.Heisasuccessasabusinessmanbutaf________asahusband.3.The_______________（突破）hemaderecentlyinhisscientificresearchgivegreatcontributionstosociety..4.Nothingcouldstopmefroma___________myaim5.AccordingtotheAmericanC____________,presidentialelectionsareheldeveryfouryears.6.Look!Thedarkcloudsaregatheringinthesky.It’sl________torain.7.C