NEVERbeforehasthewholeworldbeensounitedinthefaceofdang...
问题详情：NEVERbeforehasthewholeworldbeensounitedinthefaceofdanger.Morethan190countriesparticipatedintheUnitedNationsClimateChangeConferenceheldinParis,France,fromNov30toDec11.Theytriedtoreachabindingag...