九年級期中復習（提升）語法填空FailingforGreatInventionsHow strange it is! Most inventors work hard for months or years___1__(improve)theirproducts.However,sometimes,greatideascomeupwithbyaccident.OneexampleisPopsicle(棒冰).Itwas“invented" byFrankEpperson, 2 Americanboy.Backin1905,KidsweremakingD1Y (active).Oneday,Eppersonmadeafruit-flavoredsodadrink.However,heleftit____3____overnight—withthestickstillinthecup.Itwas___4__coldnight.Thenextmorning,Eppersonwentoutofthehouseand5(discover)thatthedrinkhadfrozen(結冰的）aroundthestick.Hepulleditoutofthecupandsmelledit—-Yummy!Eppersondidn’trealized___6_____hehadinventedwouldspreadtotheworld.Seventeenyearslater,____7___madethefrozendrinksataparty.Theyweresoverypopular______8_____heenjoyedmoresuccessafterthey___9____(sell)atanamusementparkayearlater.Eppersoninventedmore___10____(taste).Hecalledhisproducts“Eppsicles”.Hischildren,however,didn’tlikethename.Theyliked“Popsiclesbetter”.Eppersonagreedwithhiskidsandchangedthename.完形填空Ihadnothingforbreakfastthatmorning.Iwasso 16 thatIcouldhearmystomachgrowlingwhenMr.KatterwasgivingareportonAsiahistory.Sowhenthebellrang,Irushedtothedininghallatonce.Minuteslater,I17 infrontofthecounter（收銀臺）,holdingatray(托盤)fulloffood. “Threedollars,”thelunchladytoldme.Ireachedmyhandinto 18schoolbag…andfeltnothing.Theschoolbagwasempty.Isearchedagain.Stillnothing.Iwas 19 certainIhadputthreebillsinitlastnight.Iputtheschoolbagonthefloorto 20themoneyagain.AsIfinallyrealizedthemoneywasn’tthere,Icouldfeeltheworryandfearwashingoverme. Feelingquite 21,Ididn’tnoticethatanotherpersonhadsteppeduptothecounter.WhenIfinallylookeduptotellthelunchladymy 22 ,Isaw,inthecornerofmyeye,aboywalk 23 past.Ipaidnoattentiontohim,andIopenedmymouthtospeak. “I’msorry.Idon’thaveanymoney24me.” “Honey,hepaidforyourlunch.You’regood.”thelunchladysaidasshepointedtothe25 theboyhadgone. Ilookedinthedirectionshepointedto,yetIcouldnotfindtheboy.Imissedthechanceto 26 him.Hewasnamelesstome.Hedidn’tevenknowme.Buthepaidformylunch.Althoughitwasonlythreedollars,Icouldn’trememberanyonedoingsomethingso 27forme. Amonthlater,onmywayhome,Isawanelderlywoman 28heavybags.Isuddenlythoughtofthenamelessboywho29 melunch. “Excuseme,ma’am,doyouneedhelp?” I’llneverforgether 30asIrushedforwardtogiveherahand.It’stheveryprizeformyactofkindness.16.A.worried B.hungry C.patient D.tired A.danced B.explained C.appeared D.laughed 18.A.her B.his C.your D.my 19.A.quite B.seldom C.never D.hardly 20.A.searchfor B.preparefor C.lookafter D.takeafter 21.A.lonely B.nervous C.excited D.weak22.A.situation B.joke C.promise D.suggestion 23.A.slowly B.proudly C.exactly D.quickly 24.A.for B.with C.from D.beside 25.A.sky B.address C.direction D.traffic 26.A.treat B.interview C.thank D.question27.A.nice B.funny C.boring D.correct 28.A.turninginto B.runninginto C.arguingwith D.dealingwith 29.A.made B.handed C.ordered D.offered 30.A.silence B.smile C.fear D.pride閱讀理解Manypeopletraveltodifferentplacesintheworldbyair.Usuallyittakesalongtime,perhapshalfdayforpassengerstostayintheplane.Soairlines(航空公司)offerpassengersfood.Butitiscommonthattheyfeelbadaboutfoodtaste.Doyouagree?Tosolvethisproblem,airlinestryhardtoimprovetheirfood.Theywouldliketodosobecausetheydon'twanttolosecustomers.However,accordingtoscientificresearchpartofthereasonwhyplanefoodtastesbadisthatathighaltitude(海拔)wecannottastethingsaswellaswedoontheground.Alsoscientistshavefoundthatournosesbecomeverydryevenbeforeaplanetakesoff.Astheplanemovesup,thechangeinairpressure(氣壓）reducesonethirdofthesensibility(感覺)ofourtastebuds(味).Soourtastebudsbecomesenseless.Thesadface,however,isthatournosesdon'tknowit.Allofthesehelpexplainwhyfoodontheplanetastessobad.Theyalsohelpexplainwhyairlineschoosetoofferpassengerssaltyandspicyfood.Withoutdoingso,thefoodwouldbetasteless.Nowtherearemanyresearchesonthis.Accordingtooneofthem,somevolunteersareaskedtoliewiththeirfeethigherthantheirheadsforweeks.Andscientistswritedowntheirfeelingsaboutfoodtaste.Thoughscientiststrytheirbest,itisnotaseasyastheythought.Becausetheycan'tdealwiththespecialenvironmentsuccessfully,suchasthechangeinairpressure,makingfoodtastegoodisstillhardforthem.Whatdoairlinesdotosolvetheproblemthatfoodontheplanetastesbad?A.Getmorecustomers.B.Offermorefood.C.Improvetheirfood.D.Reducetheticketprice.WhichofthefollowingfactorsisNOTpartofthereasonwhyplanefoodtastesbad?Highaltitude.B.Poorservice.C.Drynoses.D.Airpressure.Whydoscientistsfeelithardtomakefoodontheplanetastegood?Thevolunteersdon'tknowaboutfoodtaste.Thevolunteersdon'tunderstandthem.Theycan'tfindenoughvolunteers.Theycan'tdealwiththespecialenvironmentsuccessfully.Whatisthebesttitleofthepassage?A.TasteofAirplaneFood B.AirplaneTravelC.ScientificResearchonNoses D.TheChangeinAirPressureHaveyourparentsevertoldyouanystrangeaboutprotectingyoureyes?Forexample,theymighthavesaidthatyou'dgoblindfromreadinginthedark,butyoucouldmakeupforitbyeatingalotofcarrots.Thisisjustoneofthewrongideasyoumayhaveheardof.Belowteenshaspickedoutscientificexplanationsforthreemistakesthepeopleoftenmakeabouteyes.Let'stakealook.Caneatingcarrotsimproveyoureyesight?CarrotsarerichinVitaminA,whichisnecessaryforoureyes'generalhealth.VitaminAhelpstheeyestomakelightintosignals,allowingpeopletoseeinlowlightconditions.However,eatingmorecarrotsdoesn'thelpyouseebetter.Onlyafewwillhelp,butalargenumberofcarrotswillnotgiveyousuperhumanvisionorallowyoutogetridofyourglasses.Ifyourparentshavebadeyesight,willyouhavebadeyesight,too?Myopia(近視)canbepassedfromparentstochildren.Astudyfoundthatifbothparentsaremyopia,there'sa33to60percentchancethatthechildis.Forchildrenwhohaveoneparentwithmyopia,thechanceis23to40percent,andit'sdownto6to15percentforkidswithnon-myopiaparents.Sonomatterhowbadyourparents'eyesightis,youstillhaveachancehavinggoodeyesight.Isittruethatpeoplewhoarecolorblindcan'tseecolors?Colorblindnessdoesn'tmeanthatsomeonecan'tseecolorsatall,likeablackandwhitemovie.Mostcommonly,itmeansthatsomeonehasdifficultytellingcertaincolorsapart,usuallygreenandredorblueandyellow.Therearedifferentlevelsofcolorblindness.Somepeoplecannottellthedifferencebetweencolorsindarklight,whileothershavedifficultyinanylight.Inthemostseriousformofcolorblindness,everythingisseeninshadesofgray.1.Sam'sparentsarebothshortsighted,Howmuchcouldbehischanc