单项选择题

According to the author, the importance of greenspaces in the urban environment（）

A．is still unknown
B．is being closely studied
C．is usually neglected
D．has been fully recognized

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单项选择题

The theoretical separation of living ,working, traffic and recreation has led to （）

A．the disproportion of recreation facilities in the neighbourhood
B．the location of recreation facilities far from home
C．relatively little attention for recreative possibilities
D．the improvement of recreative possibilities in the neighbourhood

单项选择题

Which one is the best title for the passage（）

A．Boiling Point of Liquids.
B．Three States of Water.
C．What Is One Atmosphere.
D．Temperature of Liquids.