Section B

　　Directions: There are 10 blanks in the following passage. For each blank there are 4 choices marked A), B), C) and D). Choose the ONE answer that best completes the passage.

　　Although the United States covers so much land and the land produces far 71) ________ food than the present population needs, its people are by now almost entirely an urban society. 72) ________ than a tenth of the people are engaged 73) ________ agriculture and forestry (林業(yè)), and most of the rest live in or around towns, small and large. Here the traditional picture is changing: Every small town may still be very 74) ________ other small towns, and the typical small town may 75) ________ a widely accepted view of the country, but most Americans do not live in small towns any 76) ________. Half the population now lives in some thirty metropolitan areas (large cities with their suburbs) of more than a million people each—a larger proportion than in Germany or England, let 77) ________ France. The statistics (統(tǒng)計) of urban and rural populations should be treated 78) ________ caution because so many people who live in areas classified as rural travel by car to work in a nearby town each day. As the rush to live out of town 79) ________, rural areas within reach of towns are gradually 80) ________with houses, so that it is hard to say at what moment a piece of country becomes a suburb. But more and more the typical American lives in a metropolitan rather than a small town environment.

　　71) A) much B) most C) more D) many72) A) Less B) Least C) Little D) Smaller73) A) with B) in C) on D) at

　　74) A) alike B) likely C) like D) similar75) A) represented B) represents C) represent D) to represent

　　76) A) long B) more C) much D) many

　　77) A) lonely B) alone C) only D) merely

　　78) A) in B) after C) for D) with

　　79) A) continues B) lasts C) survives D) goes

　　80) A) full B) filled C) felt D) fell71-80 CABCC BBDAB