阅读下面的短文，根据其内容回答问题。

阅读下面的短文，根据其内容回答问题。
How did the Golden Gate Bridge get its name ?
As we all know , the Golden Gate Bridge 金门大桥in San Francisco , the USA ,which took only 52 months to be designed and built and was opened in 1937, is probably the most beautiful bridge in the world . Since it was opened , it has been perhaps the best-loved sight of San Francisco. But whoever goes to see the bridge can see the bridge is red instead of golden . Do you want to know the reason why is called  the Golden Gate Bridge?
In fact the bridge isn’t named for its color .It is named for the Golden Gate. What is the Golden Gate? A gate is either an opening or the thing that closes the opening . the Golden Gate is an opening in the land . Water from the sea comes through this opening into San Francisco Bay 旧金山海湾And the bridge goes over the opening . And do you know why it is called the Golden Gate? Here is a story about it .
Many years ago ,men from some European countries came to California to look for gold . Many of them came by ship . When they came into the bay through the opening , they thought it was a gate to gold , so they named it the Golden Gate.
小题1:How long did it take to design and build the Golden Gate Bridge?___________________.
小题2:What is the Golden Gate Bridge? ___________________________________.
小题3:What is the Golden Gate Bridge named for ?________________________________.
小题4:What did the Europeans come to California to look for long ago ?
____________________________________________.
小题5:What did the passage mainly talk about ?___________________________________.