ThereisnodoubtthatEnglishisoneoftheworld'smostwidelyusedlanguages.Peopleusealanguageinoneofthreeways:asanativelanguage,asasecondlanguage,orasaforeignlanguge.EnglishisspokenasanativelanguagebyoverthreehandredmillionpeopleintheUnitedStates,Britain,Australia,NewZealand,Canada,somecaribbeancountriesandSouthAfrica.Asasecondlanguage,Englishisoftennecessaryforofficialbusiness,education,informationandotheractivitiesinmanycountries,itisoneofthefew"working"languagesoftheUnitedNations. 　　ItissaidthatEnglishhasbecomethelanguageofinternationaltradeandtransport.Mostpilotsinplanestravellingfromonecountrytoanotheruseittotalkwithairports.Allshipssailingontheoceanscallforhelpbyradioinit.Ithasbeensaidthat60percentoftheworld'sradiobroadcastsand70percentoftheworld'smailusesEnglish.Atinternationalsportsmeets,andinternationalofscientistsEnglishisthelanguagemostcommonlyusedandthemostwidelyused. 　　Englishhasinfactbecomethelanguageofinternationalcooperationisscienceandtechnology.Themostadvancedresuitsinspace,nuclearandcomputerresearcharepublishedinit.AscientistwhospeaksandwritesEnglishisinclosertouchwiththescientistsinothercountriesthanonewhodoesn't.