单选题
请阅读Passage Two,完成第26—30小题。
Passage Two
Greenspace facilities are contributing to an important extent to the quality of the urban environ.ment.Fortunately it is no longer necessary that every lecture or every book about this subject has to start with the proof of this idea.At present it is generally accepted，although more as self-evident statement than on the base of a closely-reasoned scientific proof.The recognition of the importance of greenspaces in the urban environment is a first step on the right way，this does not mean，however，that sufficient details are known about the functions of greenspace in towns and about the wav in whichthe inhabitants are using these spaces.As to this rather complex subject I shall.within the scope ofthis lecture，enter into oBe aspect only namely the recreatire function of greermpace faeihties.
The theoretical separation of living，working，traffic and recreation which for many years has been used in town-and-country planning，has in my opinion resulted in disproportionate attention for forms of recreation far from home，whereas there Was relatively little attention for improvement of rec-reative possibilities in the direct neighborhood of the home.We have come to the conclusion that this is not right，because an important part of the time which we do not pass in sleeping or working，is used for activities at and arOund home.So it is。bvi。us that recreation in the open air has to begin at the street-door of the house.The urban environment has to offer as many reereation activities as pos.sible，and the design of these has to be such that more obligatory activities can also haye a recreative aspect.
The very best standard of living is nothing if it is not possible to take a pleasant walk in the dis-trict，if the children cannot be allowed to play in the streets，because the risks of traffic are too great.if during shopping you can nowhere find a spot for enjoying for a moment the nice weather，in short，if you only feel yourself at home after the street-door of your house is closed after you.
单选题
According to the author.the importance of greenspaces in the urban environment__________.
【正确答案】
D
【答案解析】[解析]根据第一段“111e recognition of the importance of greenspaces in the urban environment is a first step on the right way，this does not mean，however，that sufficient details ale known about the functions of greenspace in towns and about the way in which tlle inhabitants are u.sing these spaces.”(对于绿地在城市环境中的重要性的认可是正确道路上的第一步。然而，这并不意味着，绿地在城镇中的功能和居民使用这些空间的方式的细节已经被了解。)可以得知，本题选D。
单选题
The theoretical separation of livin9，workin9，traffic and recreation has led to__________.
【正确答案】
B
【答案解析】[解析]从第二段第一句可以得出答案。
单选题
The author suggests that the recreative possibilities of greenspace should be provided__________.
【正确答案】
C
【答案解析】[解析]从第二段“So it is obvious that recreation in the open air has to begin at the street-door of the house.”可以得知。
单选题
According to the author.greenspace facilities should be designed in such a way that__________.
【正确答案】
A
【答案解析】[解析]从第二段最后一句“The urban environment has to offer as many recreation ac-tivities as possible，and the design of these has to be such that nlol'e obligatory activities Call also have a recreative aspect.”可得出答案。
单选题
The main idea of the passage is that__________.