单项选择题

The author mentions Chicago in the second paragraph as an example of a city______.

A．that is large
B．that is used as a model for land development
C．where land development exceeded population growth
D．with an excellent mass transportation system

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热门试题

单项选择题

According to the author, a nation's wealth depends upon______.

A．its standard of living
B．its money
C．its ability to provide goods and services
D．its ability to provide and transport and entertain

单项选择题

The main idea of the second paragraph is that______.

A．the USA is one of the richest countries in the world
B．the Sahara Desert is a very poor region
C．a country's wealth depends on many factors
D．natural resources are an important factor in the wealth or poverty of a country