Is less than that of producing them in the UK with additional heating and lighting.but we do not know whether lower carbon footprints will always be better for biodiversity.
What is crucial is recognizing that sustainable agriculture is not just about sustainable food production.
52. How do people ofen measure proGREss in agriculture?
A) By its productivity C) By its impact on the environmet
B) By its sustainability D) By its contribution to economic growth
53. Specialisation and the effort to incease yields have esulted in________.
A) Localised pollution C) competition from overseas
B) the shrinking of farmland D) the decrease of biodiversity
54.What does the author think of traditional farming practices?
A)They have remained the same over the centuries
B)They have not kept pace with population growth
C)They are not necessarily sustainable
D)They are environmentally friendly
55.What will agriculture be like in the 21st century
A) It will go through radical changes
B) It will supply more animal products
C) It will abandon traditional farming practices
D) It will cause zero damage to the environment
56 What is the author’s purpose in writing this passage?
A) To remind people of the need of sustainable development
B) To suggest ways of ensuring sustainable food production
C) To adance new criteria for measuring farming proGREss
D) To urge people to rethin
