文档介绍：Unit2TheUnitedKingdom GrammarandUsefulStructuresAimsTolearnaboutThepastParticiple(2),,,000kmlong,fromthesouthcoasttotheextremenorthofScotland,,,JohnLogieBaird,'(EU).ThetallestmountaininBritainisBenNevisinScotlandat1,,andflowsfromcentralWalesthroughShrewsbury,,therearemoresheepthanpeople!FiveyearsagothepopulationforWaleswas2,921,000withapproximately5,000,000sheep!Thereare17WorldHeritageSitesinBritain,includingHadrian’sWall,TheTowerofLondon,Giant’sCauseway,andEdinburgh’’,Britainwasthemostpowerfulcountryintheworld,andtheBritishEmpirecoveredoveraquarteroftheearth’ssurfa