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EighthgradeEnglishbicyclesarepopularcoursewaIntroductionTheDevelopmentHistoryofBicyclesThereasonwhybicyclesarepopular目錄TheroleofbicyclesindailylifeHowtomaintainbicyclesafetySummaryandReview目錄01IntroductionThemeIntroductionTheme:BicyclesBackground:Withthepopulationofbicyclesinrecentyears,moreandmorepeoplechoosetoridebicyclesforcommerceorrecoveryThiscoursewareselectsthethemeofbicyclestohelpstudentsunderstandthesignificanceofbicyclesinmodernsocietyandexploretheculturalandhistoricalbackgroundofbicyclesCoursestructure:Thiscourseisdividedintoseveralmodules,includingthehistoryanddevelopmentofcycles,differenttypesofcyclesandtheirfunctions,cyclecultureandsoon.EachmoduleisdesignedwithinteractiveexercisesandcasestudiestohelpstudentsbetterunderstandthecontentTohelpstudentsunderstandthesignificanceofbicyclesinmodernsocietyToenablestudentstoidentifydifferenttypesofbicyclesandtheirfunctionsTointroducestudentstothehistoryanddevelopmentofbicyclesTocultivatestudents'interestinbicyclecultureandresourcethemtoexploremoreaboutbicyclesLearningobjectives02TheDevelopmentHistoryofBicycles1817KarlDraisinventedthefirstmodelstylebicycle,knownasthe"Draisiene"Itwasmadeofwoodandhadnofeetorchaindrive,makingitaprecursortothemoderncycle1839The"Rover"wasinventedbyKirkpatrickMacMillan,whoaddedapedalsystemtothefrontwheel,makingitthefirstpedalpoweredcycleTheOriginofBicyclesThefirststeelframeswereintroduced,replacingthepreviouslyusedironframesThismakesbicyclesstrongerandlighter1870sThepneumatictirewasinvented,improvingcomfortandroadgrip1880sThesafetycycle,withtwowheelsofthesamesizeandachaindrive,becausepopularThisdesignisstillusedtoday1890sTheDevelopmentHistoryofBicyclesCitybikesDesignedforurbancommerce,withfeaturessuchasfenders,tracks,andwiretiesforcomfortanddurabilityRoadbikesDesignedforspeedanddistance,withthintiresanddrophandlesMountainbikesDesignedforoffroadriding,withwidetiresanduprighthandlebarsforstabilityHybridbikesAblendofroadandmountainbikedesign,withfeaturesthataresuitableforbothonloadandoffloadridingTypesofmoderncycles03ThereasonwhybicyclesarepopularReducecarbonemissions01Bikesemissionnoemissions,significantlyreducingcarbonfootprintandcontributingtoenvironmentalsustainabilityPromotesactivetransportation02Encouragesindividualstotravelbybikeinstallofusingmotorvehicles,leadingtolesstrafficcongestionandroadaccidentsImproveairquality03Increasethenumberofcyclesontheroadresultsinlessvehicleemissions,leadingtoimprovedairqualityandreducedrespiratoryproblemsEnvironmentallyfriendlytravelImprovescardiovascularhealthCyclingisalowimpactexercisethatstrengthenstheheartandimprovescardiovascularhealth,reducingtheriskofheartdiseaseandstrokeBoostsphysicalfitnessCyclinghelpstoimproveendurance,strength,andflexibility,leadingtobetteroverallphysicalfitnessandreducingtheriskofchronicdiseasesMentalwellbeingCyclingprovidesanopportunityforindividualstocleartheirminds,reducestresslevels,andimprovementalwellbeingHealthylifestyleEconomicallyfeasibleBikesarerelativelyinexpensivelycomparedtocars,allowingindividualstosavemoneyoninitialpurchaseLowoperatingcostsBikesrequirenofuelandhavelowmaintenancecosts,savingindividualsmoneyonoperatingexpensesSavesontransportationcostsCyclingreducestheneedforpublictransportationorprivatecarownership,savingindividualsmoneyontransportationcostsLowinitialinvestment04TheroleofbicyclesindailylifeBicyclesareaconservativeandenvironmentallyfriendlymodeoftransportation,particularlyinurbanareaswithheavytrafficandlimitedparkingspacesTheyprovideaneffectivewaytogetaround,reducingtherelationshiponcarsandpublictransportation,andhelpreducetrafficcongestionandairpollutionTransportationvehiclesBicyclingisagreatwaytostayfitandimprovephysicalhealthItcanhelpstrengthentheheartandimprovecardiovascularhealth,whilealsobuildingmusicandimprovingbalanceandcoordinationCyclingisalowimpactexercisethatcanbeenjoyedbypeopleofallagesandfitnesslevels,makingitaversatileformofexerciseSportsandfitnessBicyclesprovideafunandenjoyablewaytoexploretheoutdoorandnaturalenvironmentCyclingallowsindividualstotravelattheirownspace,stoppingtoadministerscenesorexploreinterestingplacesCyclingisalsoapopularpastimeandhobby,withmanycyclistsparticipatingingrouprides,tracks,andothercyclingeventsasawaytosocializeandcompetewithothersLeisureandentertainment05HowtomaintainbicyclesafetyPrecautionsforsaferidingWearhelmetsAlwayswearahelmetwhenridingabicycletoprotectyourheadfrompotentialinjuriesObeytrafficrulesFollowtrafficrulesandsignalstoensureyoursafetyandthesafetyofothersontheroadUsehandsignalsUsehandsignalstocommunicateyourintentionstootherroadusers,suchasturningorstoppingRideonthecorrectsideoftheroadRideonthecorrectsideoftheroad,dependingonthedirectionoftrafficflow,toavoidconflictswithoncomingvehiclesRegularlyinspectthetiresCheckthetirepressureandconditionregularlytoensuresafetyandeffectiveperformanceRegularlycleanandlubricatethebicyclechaintopreventrustingandensuresmoothoperationCheckthebrakesforproperadjustmentandeffectivenesstoensuresafestoppingpowerHaveyourcycleservicedregularlybyaprofessionaltoensureitsproperfunctioningandsafetyCleanandlubricatethechainInspectthebrakesRegularlyservethecycleMaintenanceandupkeepofbicyclesObeyspeedlimitsObeyspeedlimitsinresidentialareas,schoolzones,andotherdesignedareastoensureyoursafetyandthesafetyofothersRidewithlightsAlwaysridewithfrontandrearlightswhenridingatnightorinlowlightconditionstoincreasevisibilityandsafetyRidewithreflectorsWearreflectorsonyourclothingorusereflectivestripsonyourbicycletoincreasevisibilityandsafetyUsedesignedbikelanesWhenavailable,usedesignedbikelanestoseparateyourselffromvehiculartrafficandincreaseyoursafetyBicyclesafetyregulationsandrules06SummaryandReviewImportanceofbicyclesafetyThislessemphasisontheimportanceofbicyclesafety,includingwearingahelmet,followingtrafficrules,andunderstandingbasicbikemaintenanceVocabularyandgrammarStudentslearnnewvocabularyandpracticegrammarstructuresthroughreadingandwritingactivitiesrelatedtobicyclesInteractivelearningThecoursewarecorporationsinteractiveelementssuchasquizzes,games,andsimulationstoengagestudentsandenhancetheirlearningexperienceKeyreviewofthislessLearningexperiencesandinsightsHandsonlearning:Thecourseprovidesopportunitiesforstudentstoengageinhands-onlearni

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