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Unit1

1. A bus is a road

(vehicle) designed to

carry passengers. Buses vary in capacity from 8 to 300 passengers. Buses are widely used in public transportation. A long-distance bus is called a

(coach).

Trolleybuses (无轨电车) use overhead power lines.

2. A ferry is a form of transportation, usually a boat, but sometimes a ship, used to carry primarily passengers, and sometimes vehicles

and

(cargo ) as well. Ferries form a part of the

(waterside )

public transport systems of many cities and islands.

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3. The subway, an underground urban railroad, usually operated by electricity, is also known as a

popular transport system in big cities for its high

(capacity), high speed, and low price.

(jets )

(metro), or underground. It is the most

4. The largest airliners are wide-body

with two separate aisles running from the front to the back of the passenger cabin, such as Boeing 747, Airbus A380, and McDonnell Douglas

DC-10. These

(aircraft ) are usually used for

international flights between major cities with many passengers.

5. Hovercraft (气垫船) are used throughout the world as specialized transports. Because they are

(supported ) by a cushion of air,

(unique ) among all other forms

hovercraft are

of ground transportation in their ability to travel equally well over land, ice, and water.

B. Ask and answer the questions

Ask and answer the following questions with a partner.

1. How would you like to travel for a short distance in a big city, say, five to ten kilometers?

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