5、What is a museum? A museum is a good place to keep _ _ 21 _ _ and beautiful things. A museum may be a place to learn about science. A museum can be a place _ _ 22 _ _ art of Indians or animals. What is inside a museum? Some museums have old cars and airplanes. _ _ 23 _ _ museums have pictures and statues (雕像). Others have rocks and old bones. One museum even has a coal mine inside! Many cities have museums. Some very small towns have museums, _ _ 24 _ _ . Indianapolis has a children's museum. Children do not have to pay to get in. Children go to the museum often. They like to look at the dinosaur bones. They see a white bear ten feet tall. They go inside an old log cabin (小木屋). On Saturday, Indianapolis children can _ _ 25 _ _ talks about animals and trees. They see movies.