【正确答案】 1、正确答案：As one of the centers of science and education in China, Nanjing boasts the most undergraduate and postgraduate students in every ten thousand people among cities of the same size. Young students of all levels amount to 1.45 million, scattering in more than 670 schools of all levels. The solid science and education resources has promoted the rapid development of economy. High and new technology industry, represented by IT and modern service industry , has become the prime engine of Nanjing"s economy. As the economic center of Yangtze River Delta, Nanjing has demonstrated its tremendous economic strength through maintaining a growth rate of more than two digits since entering the 21th century, even under the influence of global financial crisis.