单项选择题

What is the main topic of the passage

A．The role of Florida in the American Revolution
B．The discovery of Florida by Ponce de Le6n in 1513
C．The history of the cultivation of oranges in Florida
D．The popularity of Florida oranges in London in the 1770's

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热门试题

单项选择题

According to the passage, Florida oranges were valued by the Spanish primarily ______.

A．as a medium of exchange
B．for their unusual seeds
C．for their medical use
D．as a source of food for sailors

单项选择题

According to the passage, Spanish vessels began to bring orange tree seedling to North America when ______.

A．the United States agricultural laws were revised
B．ambitious sailors began to smuggle seeds
C．doctors reported a lack of medical supplies
D．authorities realized that seeds did not travel well