1 . 阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。
On March 31, the Eiffel Tower, one of the world’s most visited and recognizable places of interest, celebrated the 130- year anniversary (周年纪念日) of its opening.
It was only supposed to exist for 20 1 (year). Maybe Parisians decided it was 2 (easy) to just leave it in place than pull it down. It looks like they made the right choice. More than 250 million people 3 (pay) a visit to the tower so far, according to 4 (it) official website.
Designed by French Gustav Eiffel, the tower was meant 5 (serve) as the entrance to the 1889 World Fair in the 6 (begin). It took just over two years to build it. Although it is popular now, not all French people liked 7 tower when it opened. However, the visitors to the 1889 World Fair found it 8 (entertain) to visit the Eiffel Tower. Two million people visited it during the fair. It then became useful as a radio antenna (天线) during the First World War.
Tourists have a choice when they climb the tower. They can either walk 1, 665 steps to the top 9 use one of the elevator cars from 1899. Once tourists reach the top, 10 the Eiffel’s office is, they can have a drink in the tower’s top-floor champagne bar. Today, the tower stands as a symbol of France.