GRE Text Completion Question 416
Cultivation of a single crop on a given tract of land leads eventually to decreased yields, this can be (i)_____by crop rotation, denying the pathogens a suitable host for a period of time. However, even if crops are not rotated, the severity of diseases often (ii)_____after a number of years as the microbial population of the soil changes and the soil becomes “(iii)_____” to those diseases.
|A Intensified||D enhance||G vulnerable|
|B resolved||E altered||H suppressive|
|C cured||F decrease||I receptive|
Correct Answer: CFH