问题补充：
In Japan’s capital city of Tokyo, earthquake danger limits（限制）the height of buildings. The city has spread out so far and the traffic has become so heavy that it is very difficult to go from one place to another. The price of the land, too, has skyrocketed. All these explains why a group of Japanese land developers came to the conclusion（结论）that there was nowhere to go but down. So far they have dug out space underground for fifteen shopping centres.
What are some of the advantages（优势）of shopping and eating underground? Clean air is one of them. The city of Tokyo has one of the most serious smog problems in the world. Another advantage is that you escape the ever-present threat（威胁）of traffic accidents on the city’s busy streets. Still another is the convenience（便利）of getting around: you are usually right next to, or even in, a subway station. And you can even spend the night underground if you like. The Kibosh station, for example, in downtown Tokyo, has a hotel with a bar, restaurant, and barbershop.
【小题1】The reason why buildings can not be very high in Tokyo is .A．that the information about high buildings is limited in TokyoB．that the workers haven’t mastered enough modern science and technologyC．the earthquakeD．the heavy traffic【小题2】What’s the meaning of “skyrocket”? It means “”.A．go up sharplyB．be as high as that of a rocketC．fall rapidlyD．be as low as that of a rocket【小题3】So far how many shopping centers underground have there been?A．15B．50C．More than 15D．More than 50【小题4】What are the advantages of shopping and eating undergroundA．Less air pollution, the convenience of shopping.B．Less air pollution, the convenience of shopping, and less traffic accidents.C．Clean air and the convenience of getting around.D．Clean air, less accidents’ threat, and the convenience of getting around.【小题5】The passage mainly tells us.A．the capital of JapanB．the land and its limitsC．the use of space underground in TokyoD．how to make full use of the landC
答案：
(答案→)C
解析：
【小题1】从第一段“In Japan’s capital city of Tokyo, earthquake danger limits（限制）the height of buildings.”可看出是因为地震。
【小题2】从“The city has spread out so far and the traffic has become so heavy that it is very difficult to go from one place to another. The price of the land, too, has skyrocketed.”可看出“城市向外扩展很多，交通拥挤，应该是房价上升很快”所以选A
【小题3】“So far they have dug out space underground for fifteen shopping centres.”看出答案。
【小题4】从“Another advantage is that you escape the ever-present threat（威胁）of traffic accidents on the city’s busy streets. Still another is the convenience（便利）of getting around: you are usually right next to, or even in, a subway station. And you can even spend the night underground if you like. ”看出答案。
【小题5】课文讲的是Tokyo 土地紧张。开拓地下。充分利用土地。选C
