The main idea of the passage is that ______.

A、people are more interested in fast automobiles than in their health
B、Americans feel more closely tied to their cars than to their wives
C、kerosene-burning engines would pollute the environment more than gasoline-burning engines do
D、kerosene-burning cars would go faster than gasoline-powered cars

A．Democrats are more committed than Republicans to a market-oriented economy
B．Republicans are more liberal than Democrats
C．Republicans and Democrats tend to be flexible on ideological questions
D．only Democrats have traditional political organizations Part Ⅴ Error Correction (15 minutes)