雅思阅读第137套P2:Tool for ancient writing

雅思阅读第147套P1：Agriculture and Tourism

雅思阅读第155套P3：Rainwater Harvesting

雅思阅读第171套P1：Natural pesticide in India

雅思阅读第165套P1：The Beginning of Football

雅思阅读第010套P1-MOUNT EVEREST AND HILLARY

Learning By Examples A Learning theory is rooted in the work of Ivan Pavlov, the famous scientist who discover and documented the principles governing how animals (humans included...

雅思阅读第031套P3-The Columbian Exchange

雅思阅读第042套P2-Corporate Social Responsibility 

雅思阅读第053套P1-The Concept of Childhood in Western Countries