Why does the author mention both Boston and Chicago
A: To demonstrate positive and negative effects of growth.
B: To show that mass transit changed many cities.
C: To exemplify cities with and without mass transportation.
D: To contrast their rates of growth.
A: To demonstrate positive and negative effects of growth.
B: To show that mass transit changed many cities.
C: To exemplify cities with and without mass transportation.
D: To contrast their rates of growth.
举一反三
- Why does the author mention both Boston and Chicago A: To demonstrate positive and negative effects of growth. B: To exemplify cities with and without mass transportation. C: To show mass transportation changed many cities. D: To contrast their rate of growt
- Why are Boston and Chicago mentioned A: To demonstrate the development of big cities. B: To exemplify cities with and without mass transportation C: To show mass transportation changed many cities. D: To contrast their rate of growth and development.
- What are not the resulting effects on cities when those people moved out（） A: There were more crimes. B: Cities were in a bad condition. C: Only one mass transit system was completed. D: Some small companies move in while larger ones moved out.
- Historical evidence indicates that scarcity of natural resources has ( ) A: caused slower world economic growth. B: nearly stopped economic growth in most countries throughout the world. C: not limited economic growth. D: limited economic growth, but only in high-growth countries.
- Why did many people move to the cities Many people moved to the cities to .