第一单元1、Butinthepast100,000years--eventhepast100years--our()havebeentransformedbutourbodieshavenot.A:liveB:livelinessC:livelihoods2、Researchonanimalintelligencealsomakesmewonderwhatexperimentsanimalswould()onhumansiftheyhadthechance.A:deliverB:carryC:performD:apply3、However,whentwomonkeyswereplacedinseparatebutadjoiningchambers,sothateachcouldobservewhattheotherwasgettinginreturnforitsrock...
