2016年2月18日雅思考试阅读篇2摘要填空题21题答案

a deseription of the cost of using this new approach of planting crops

why farmers have to continue the unattainable farming on the infertile land

how the new mode of farming(IAC)imitates the process of forest

a kind of material that must be added

the new working mode does not care who the operator is

why does the previous mode of farming need constantly changing places?

What is the only living member of the Antilocapridae sub-family?

What sort of terrain do borbary sheep live in?

What facilatates the movement of the sitalunga over welland?