剑桥雅思3阅读求test 2passage2的答案!

14。v governments and management of the environment
15。vii farming and food output
16。ii the environmental impact of modern farming
17。the effects of government policy in rich countries
18。i the probable effects of the new international trade agreement
19。G clearing land for cultivation
20。C increased use of chemical inputs
21。F soil erosion
22。B disappearance of old plant varieties
24。C was causng significant damage to 20 percent of farmland
25。D farm diversification
26。C their policies do not recognise the long term benefit of ending subsidies
27。A encourage more sustainable farming practices in the long term
28 A envionmental magagement