[单项选择]

Transportation Decision Transportation decision consists of the following parts: 1.Selection of the mode is determined by the consideration of distance,cargo weights,linkage,timing and other requirements.Generally speaking,rail has high fixed cost and the relatively low variable cost.It can move heavy,large quantity of cargo in the long distance.But,rail is disadvantaged because of the longer transit time and less frequent service than motor. Motor carriers such as truck companies offer door-to-door service,that is,the cargo can be shipped from the shipper＇swarehouse to the consignee＇s.Trucking fixed cost is the lowest of any carrier,because the equipment is fairly cheap and the motor carriers do not have to invest in the roads on which they run their operations.However,their variable costs are very high.Its expenses include two major components:firstly,the pick-up and delivery costs;secondly,there are gas or fuel costs,labor expenses and toll roads fees to be paid to highway and
A. By railway.
B. By water.
C. By air.
D. By trucks.

[单项选择]

Transportation Decision Transportation decision consists of the following parts: 1.Selection of the mode is determined by the consideration of distance,cargo weights,linkage,timing and other requirements.Generally speaking,rail has high fixed cost and the relatively low variable cost.It can move heavy,large quantity of cargo in the long distance.But,rail is disadvantaged because of the longer transit time and less frequent service than motor. Motor carriers such as truck companies offer door-to-door service,that is,the cargo can be shipped from the shipper＇swarehouse to the consignee＇s.Trucking fixed cost is the lowest of any carrier,because the equipment is fairly cheap and the motor carriers do not have to invest in the roads on which they run their operations.However,their variable costs are very high.Its expenses include two major components:firstly,the pick-up and delivery costs;secondly,there are gas or fuel costs,labor expenses and toll roads fees to be paid to highway and
A. Safety and punctuality.
B. Costly.
C. Long distance.
D. Deliver heavy loads.

[填空题]make a decision

[多项选择]Talking about transportation options

[填空题]

What might cause delays in transportation

[单项选择]With the improvement of transportation and communications, farmers have easier ______ to cities and towns.
A. access
B. reach
C. approach
D. touch

[单项选择]Modern forms of transportation and communication have done much to ______ the isolation of life in Alask
A. A． break downB. break intoC. break outD. break through

[单项选择]Some cities have planned their transportation systems for car owners. That is what Los Angeles did. Los Angeles decided to build highways for cars rather than spending money on public transportation.
This decision was suitable for Los Angeles. The city grew outward instead of upward. Los Angeles never built many tall apartment buildings. Instead, people lived in houses with gardens.
In Los Angeles, most people drive cars to work. And every car has to have a parking space. So many buildings where people work also have parking lots.
Los Angeles also became a city without a Central Business District (CBD). If a city has a CBD, crowds of people rush into it every day to work. If people drive to work, they need lots of road space.
So Los Angeles developed several business districts and built homes and other buildings in between the districts. This required more roads and parking spaces.
Some people defend this growth pattern. They say Los Angeles is the city of the

[单项选择]Mass transportation revised the social and economic fabric of the American city in three fundamental ways. It speeded up physical expansion, it sorted out people and land uses, and it 62 the inherent instability of urban life. By opening vast areas of unoccupied land for residential expansion, the buses, 63 , commuter trains, and electric trolleys pulled settled regions outward two to four times more 64 from city centers than they were in the pre-modern era. In 1850, for example, the borders of Boston lay 65 two miles from the old business district; by the turn of the century the 66 ex tended ten miles. Now those who could afford it could live far removed from the old city center and still 67 there for work, shopping, and 68 The new accessibility of land around the periphery (外围) of almost every, major city 69 an explosion of real estate development and fueled what we now 70 as ur
A. purposely
B. essentially
C. successively
D. comparatively