第一讲 “难解难分”的标题归纳题
Test 1
(2013·湖北省武汉市武昌区高三年级联合考试)
Researchers at Yale，Texas A&M and Boston University predict that by 2030 urban areas will expand by more than 463,000 square miles，or 1.2 million square kilometers.That is equal to 20,000 American football fields becoming urbanized every day for the first three decades of this century.
The growth in urban areas will go with the construction of roads and buildings，water and sanitation facilities，and energy and transport systems that will transform land cover and cities globally.Recent estimates suggest that between $ 25 trillion (万亿) and $ 30 trillion will be spent on infrastructure (基础设施) worldwide by 2030，with $ 100 billion a year in China alone.
“Considering the long life and near unavoidability of infrastructure investments，it will be critical for current urbanizationrelated policies to consider their_lasting_impacts，” said Karen Seto，lead author of the study.“We have a huge opportunity to shape how cities develop and their environmental impacts.”
Nearly half of the increase in highprobability—defined as greater than 75 percent—urban expansion is forecasted to occur in Asia，with China and India absorbing 55 percent of the regional total.In China，urban expansion is expected to create a 1,100mile coastal urban corridor from Hangzhou to Shenyang.In India，urban
