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單項(xiàng)選擇題

Water transport is the（） way of shipping bulk and low price goods.

A. Most inexpensive
B. Save money
C. Low cost
D. Economically

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單項(xiàng)選擇題

What is the meaning of Metropolitan area? （）

A. Around the city
B. City itself
C. The area near the city
D. Big city and its neighbor area

單項(xiàng)選擇題

Railroads own about （）of their car fleet.

A.Half
B.80%
C.20%
D.Not mentioned

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