[多选题]ARCNET通信网络体系结构由( )、IC读卡器、乘客信息显示等组成
A.中央装置
B.终端装置
C.车辆信息显示器
D.显示控制装置

Years ago our cities were full of cars, buses and trucks. Now the streets are completely congested (拥挤的) and it is very difficult to drive a car along them. Drivers must stop at hundreds of traffic lights. What are our cities going to be like in ten or twenty years Will enormous (巨大) motorways be built across them With big motorways cutting across them, full of noisy, dirty cars and lorries, our cities are going to be awful places. How can we solve the problem
There are some good ideas to reduce the use of private cars. In 1989, for example, the authorities in Rome began an interesting experiment: passengers on the city buses did not have to pay for their tickets.
In Stockholm there was another experiment: people paid very little for a season ticket to travel on any bus, trolley bus, train or tram in all the city.
In many cities now some streets are closed to vehicles, and pedestrians are safe there.
In London there is another experiment: part of t
A. the number of traffic lights
B. the shortage of buses
C. the lack of motorways
D. the traffic congestion

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In every cultivated language there are two great classes of words which, taken together, comprises the whole vocabulary. First, there arc those words (26) which we become acquainted in daily conversation, which we (27) , that is to say, from the (28) of our own family and from our familiar associates, and (29) we should know and use (30) we could not read or write. They (31) the common things of life, and are the stock in trade of all who (32) the language. Such words may be called "popular", since they belong to the people (33) and are not exclusive (34) of a limited class.
On the other hand, our language (35) a multitude of words which are comparatively (36) used in ordinary conversation. Their meanings are known to every educated person, but there is little (37) to use them at home or in the market-place. Our first acquaintance with these words (38) A. which
B. that
C. those
D. ones