七年级英语阅读题Doyouchewgumafterameal?Chewinggumhelpscleanyourmouth.Butsomepeoplespitchewinggumonthestreet_3_puttingitintothegarbagebox.It’sbadbecausechewinggumissticky.It’s_4_togetitoffthings.Recent

　　七年级英语阅读题

　　Doyouchewgumafterameal?Chewinggumhelpscleanyourmouth.Butsomepeoplespitchewinggumonthestreet_3_puttingitintothegarbagebox.It’sbadbecausechewinggumissticky.It’s_4_togetitoffthings.RecentlyateamofBritishscientistssaidtheyhadsolvedtheproblem.Theyinventednon-stickchewinggum.InBritain,150millionisspenttocleangum_3_thecountry’sstreetseachyear.It’sthesameinChina.OnBeijingTian’anmenSquare,aftertheNationalDayHoliday,hundredsofthousandsofchewinggumpiecesareleftontheground.Itusually_4_weekstocleanthemup.Butthenon-stickgumiseasiertoclean.Itgetswashedawaybytherainorbystreetcleanersvery_5_.Althoughyougetthenon-stickguminyourhair,youcanwashitoutwithshampoo.”Thegumiscoatedwithathinfilmofwater,”saidProfCosgrove,theleaderofthestudy.“That’s_6_itisnotstickyatall.”

　　()1.A.butB.insteadC.insteadofD.inorderto

　　()2.A.differentB.hardC.easyD.important

　　()3.A.outB.onC.fromD.into

　　()4.A.takesB.costsC.spendsD.pays

　　()5.A.easilyB.quicklyC.frequentlyD.carefully

　　()6.A.howB.whenC.whichD.why