英语阅读理解答案

Thezipperisawonderfulinvention.Howdidpeopleeverlivewithoutzippers?Zippersareverycommon,soweforgetthattheyarewonderful.Theyareverystrong,buttheyopenandcloseveryeasily.Theycomeinmanycolorsandsizes.

Inthe1890s,peopleintheUnitedStatesworehighshoeswithalongrowofbuttons,too.Peoplewantedaneasierwaytoputonandtakeoffclothes.

WhitcombL.Judsoninventedthezipperin1893.HewasanengineerinChicago.Hecalledthezipperaslidefastener.However,itdidn’tstayclosedverywell.Thiswasnotsatisfactory,andpeopledidn’tbuymanyofthem.ThenDrGideonSundbackfromSwedensolvedthisproblem.

Azipperhasthreeparts:1.Therearedozensofmetalorplastichooks(calledteeth)intworows.2.Thesehooksarefixedtotwostripsofcloth.Theclothstripscanbendeasily.3.Afastenerslidesalongandfixesthehookstogether.Whenitslidestheotherway,ittakesthehooksapart.

DrSundbackputthehooksonthestripsofcloth,andthereforeheldallthehooksinplace.Theydon’tcomeapartveryeasily.Thissolvedtheproblemofthefirstzippers.

1.Zippersarebetterthanbuttonsbecause_____.

A.theyaremuchstronger

B.theyhavemorecolorsandsizes

C.theyopenandclosemoreeasily

D.theystayclosedmuchbetter

2.Azipperstaysclosedwhenitsfastener_____.

A.takesthehooksapartB.slidesalongthehooks

C.fastensthehookstogetherD.holdssomehooksinplace

3.Theproblemofthefirstzipperswasthat_____.

A.peopledidn’tbuymanyofthem

B.theywereveryexpensive

C.theydidn’tcloseeasily

D.theycameapartveryeasily

4.DrSundbacksolvedtheproblemofthefirstzippersby_____.

A.fixingthehooksontwoclothstrips

B.fixingaslidefastenertothetwoclothstrips

C.fixingthetwoclothstripsintheproperposition

D.fixingdozensofmetalhooksintworows

5.Whichofthefollowingisthemainideaofthepassage?

A.Azipperhashooks,clothstrips,andaslidefastener.

B.Peopledidn’tlikethefirstzippers.

C.MrJudsonandDrSundbackgaveusawonderfu