选修8Unit3Inventorsandinventions能力演练一、语法填空Thereoncewereagoatandadonkey(驴)thatlivedonafarm.Thedonkeyworkedthehardest,1thefarmerfeditthemostfood.Sometimesthedonkeywasgivenmorefood2itcouldeat,3madethegoatsojealous4itbeganplottingagainst(谋划对付)thedonkey.“Hey,donkey,”thegoatsaidoneday.“Ithinkyoudotoomuchworkonthisfarm.Youcarrysuchheavythings5morningtonight.Whydon,tyoupretendtogetsicksoyoucantakeadayoff?”Thedonkeythoughtthegoathadagreatidea.Sothenextmorning,thedonkey6(lie)inthestableonitssidewithitseyes7(close).Rightaway,thefarmercalledthedoctor.8lookingatthedonkey,thedoctorsaiditneededaspecialmedicine9(make)fromtheheartofagoat.Sothefarmerkilled10goatandgavethedonkeymedicinemadefromitsheart.二、完形填空阅读下面短文,掌握其大意,然后从1~15各题所给的四个选项(A、B、C和D)中,选出最佳选项。Itstartedin8thgrade.Iusedtobetheperfectexampleofwhatpeople1whentheyimaginethestereotype(模式化观念)ofthe2wasjust3awayfromthespringbreakwhenmymomhadmesignupforasixdaytrip.Itwould4thewholespringbreak.Threeweekslater,thetripbegan.Iwasnota(n)5camper,especiallywhenIfoundoutitwasamission,strip6Iwouldhavetoscrveotherpeople.Thetrip,however,totally7meandIhadthe8timeofmylife.Wewenttoafarmandspentourtimearrangingfree9forchildrenwhohadoneorboth10inprison.Iwassoinspiredbythosechildren!Eventhough11inbadconditionswithparentsawayfromthem,theystillwantedto12.Itmademewantto13.Wepaintedtheroomsthatthekidsstayedin,preparedand14food,andplayedtogether.Ihad15workedharder,andthatwaswithoutdoubtthehappiestweekofmylife.Iwillneverforgetthattrip!1.A.relatetoB.thinkofC.belongtoD.dependon4.A.putoffB.makeupC.takeuprtwithfultrolled11.A.goingupB.comingupC.standingupD.growingup13.A.keepawayB.stayaroundC.helpoutD.goon三、阅读理解阅读理解专题训练(九)议论文的阅读Healthykneesaren,tthemainconsiderationinchoosinghighheels,butnewresearchsayschunkyheelsarejustasbadforthekneesasspindlystilettos(细高跟鞋).“Ittakesalongtimetofeeltheeffectsofkneeosteoarthritis(骨关节炎)—andonceyoudoit,itistoolate,”saidDr.CaseyKerrigan,leadingresearcherofthestudyandassociateprofessoratHarvardMedicalSchool,sdepartmentofphysicalmedicine.“Icompareittosmoking—onecigaretteisnotpainful,butoveralifetimeitis.Wideheeledshoesfeelcomfortable,sowomenwearthemalldaylong,”Kerrigansaid.“Theyarebetterforyourfeetthanstilettoheels,butjustasbadforyourknees.”Inthestudy,researchershadtwentywomenweartwopairsofshoeswiththreeinchheels,onewithanarrowheelandtheotherwithathickone.Thescientistscomparedhowmuchpressurewasputonthewomenskneesbybothtypesofshoes.Thewomenalsowalkedbarefoottotestnormalpressure.Thescientistsfoundthatbothtypesofshoesappliedequalamountsofpressuretotheknees.Comparedwithwalkingbarefoot,theheelsincreasedpressureontheinsideofthekneeby26percent.Increasedpressureonthekneeeventuallyleadstoarthritis,expertssay.Theideathathighheelsarebadforyourhealthisntnew—scientistshavewarnedwomenforyearsthattheycontributetoproblemsrangingfromcornstohammertoes,tendonitis,kneepain,sprained(扭伤)anklesandbackproblems.Butin1998,KerriganandateamofHarvardresearcherswerethefirsttolinkhighheelsandkneeosteoarthritis,apainfuljointdiseasethatdestroyscartilage(软骨)surroundingtheknee.Thefirststudylookedonlyatstilettoheels,andKerrigansaidshewantedtostudythechunkyhighheeledshoesshenoticedmanywo...