5 . Even to this day, I still remember the very moment when I waved my ping-pong paddle for the first time. With all the excitement and happiness, I actually felt slightly _________ because I should have fallen in love with it much earlier!

My interest in ping-pong began at the end of _________ school. At that time, I originally intended to _________ this sport to kill time during my boring summer holiday. Never could I imagine that it would end up as a _________ in my life. It captured my heart. With practice, my ping-pong _________ improved, but I soon found that no one wanted to play with me any more.

I turned to my coach who _________ me to a sports center for the elderly organized by a university. It's pretty odd being the _________ boy playing with a crowd of old people. But the gap in age _________ as soon as we lifted our paddles and put our focus on the tiny ball.

The _________ made me realize that what I had learned so far was like a drop in the ocean.__________, this made me enthusiastic to learn more. I firmly believe I was lucky enough to have supportive parents and a __________ coach. At that time, I was fully occupied by endless homework and exams in order to get __________ to a senior high that I desired. It was ping-pong that __________ me out of the hustle and bustle（忙忙碌碌） of life, and it was my coach who __________ me to taste the simple pleasure hiding under all the annoyance. I have to admit the tiny ping pong ball changed my life. I am convinced that my __________ will continue to drive me in future!

9 . The most-visited museums in the United States

The National Museum of Natural History

It is free of charge and is open 364 days a y year. Opening its doors in 1910, the museum has a collection of over 14646 million specimens (标本) of plants, animals, rocks, human remains, and human cultural artifacts, the largest natural history collection in the world. It is also home to about 180 professional natural history scientists who focus on the study of natural and cultural history in the world.

The National Callery of Art

Open to the public and free of charge, the museum was privately established in 1937. Its collection includes many donated works of art. The Gallery’s collection of paintings, drawings, sprints, photographs, medals, and decorative arts traces (追溯) the development of Western art from the Middle Ages to the present, including the only painting by Leonardo da Vinci in the Americas and the largest mobile created by Alexander Calder.

The Metropolitan Museum of Art

It is the largest art museum in America. It was s founded in 1870 with its mission to bring art and art education to Americans. The museum’s collection contains works of art dating back to the ancient Near East and ancient Egypt. It includes works of art from many European Old Masters as well as many collections of American art. The museum is home to collection of musical instruments, costumes, and decorative arts.

The Museum of Modern Art

It is an art museum located in Midtown Manhattan, New York City. The institution was conceived (构想) in 1929. It moved to several locations in its early years, and John D. Rockefeller Jr. finally donated the land for its permanent (永久的) site. The collection includes architecture, drawings, paintings, photographs, prints, artists’ books, films, and electronic media.