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。

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    to eat them. Some oranges do not have any seeds(种子). Some have a    skin, and some have a thin skin.
The orange tree is beautiful. It has a lot of shiny green    . The small white flowers smell very sweet. An orange tree    flowers and fruit at the same time.
There were orange trees twenty million years ago. The oranges were very small, not like the    
today. The orange tree probably came from China. Many different kinds of wild oranges    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     to raise oranges from the Chinese.   they taught Europeans. The Spanish planted orange trees in the new world (North and South America). They took them to Florida   . Oranges are a very important crop in Florida today.
In English, orange    both a fruit and a color. We use the name of the fruit for the color.

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