In1995,anaverageof_______ofdomestictravelerswentonsightseeinginChina.
名词解释：offer
Hewouldratherdiethanlivein__________.
Awell-knownexampleofthelargescaledestructionofanecosystemthroughvegetationremovaltoaccommodatetouristfacilitiesisthecaseofthe_______.
Thehousewasquietinthenight,________theoccasionalcoughingfrommythroat.
