不同地区、不同城市的房屋价格水平往往相差较大，这体现的是房屋的( )。A．边缘性

先阅读短文，掌握其大意，然后从方框给的词中选出最恰当的10个，并用其适当形式填空，每个词只限用一次。（10分）

leaf,  then,  large,  learn,  ones,  grow,  thick,  has,  mean,  first,  easy,  begin

  Everybody likes oranges. They are sweet and juicy. They are in sections, so it is   小题1: to eat them. Some oranges do not have any seeds(种子). Some have a   小题2: skin, and some have a thin skin.
The orange tree is beautiful. It has a lot of shiny green   小题3: . The small white flowers smell very sweet. An orange tree   小题4: flowers and fruit at the same time.
There were orange trees twenty million years ago. The oranges were very small, not like the  小题5:  
today. The orange tree probably came from China. Many different kinds of wild oranges  小题6:  in China today. The Chinese started to raise(栽培) orange trees about 4,400 years ago.
Farmers in other parts of Asia and the Middle East   小题7:  to raise oranges from the Chinese.  小题8: they taught Europeans. The Spanish planted orange trees in the new world (North and South America). They took them to Florida   小题9:. Oranges are a very important crop in Florida today.
In English, orange   小题10: both a fruit and a color. We use the name of the fruit for the color.