完形填空Manyobjectsthatpeopleuseeachdaystartedwithasimpleidea.Theseobjectshaveoftenchangedthewaywe__1__.Somehelpustodoajobmore__2__.Othersfillaneedorsolveaproblem.In1858H.L.Lipmanhadsuchan__3__.Hetookout

　　完形填空

　　Manyobjectsthatpeopleuseeachdaystartedwithasimpleidea.Theseobjectshaveoftenchangedthewaywe__1__.Somehelpustodoajobmore__2__.Othersfillaneedorsolveaproblem.

　　In1858H.L.Lipmanhadsuchan__3__.Hetookoutapencil,apieceofpaper,__4__aneraser.Thenhebegantowrite.Sometimesheneedto__5__aword.Eachtimehehadtosearchunderhisbooksandpapersto__6__theeraser.“Iwishmyeraserwouldstayinone__7__!”hesaid.

　　ThenLipmanhadhissimpleidea.He__8__agroove（凹槽）inoneendofthepencil.Heglued（粘牢）theeraserintothegroove.Lipmanhadsolvedhisproblem.Laterhethoughtthatotherpeoplemightliketohavesuchapencil.Sohesoldhis__9__.Soonpencilswitheraserswere__10__.Hisdesignearnedhim100,000dollars.

　　()1.A.studyB.liveC.sleepD.walk

　　()2.A.easilyB.correctlyC.carefullyD.normally

　　()3.A.articleB.aimC.ideaD.action

　　()4.A.soB.andC.butD.as

　　()5.A.spellB.readC.writeD.change

　　()6.A.lookB.seeC.watchD.find

　　()7.A.placeB.deskC.bookD.hand

　　()8.A.marketB.preparedC.cutD.invented

　　()9.A.booksB.pencilC.designD.eraser

　　()10.A.wonderfulB.expensiveC.colorfulD.common