填空题

The Museum of Natural History is one of the most interesting museums at the University of Kansas. The museum opened in 1903, and its first exhibit was L. L. Dyche’s collection of stuffed animals. Today, the museum has over 130 exhibits on four floors. The first thing visitors see from the museum’s main entrance on the fourth floor is a very large display called a panorama. This exhibit of North American plants and animals was L. L. Dyche’s collection. Down one floor is a large collection of fossils found in the Kansas area. On the fifth floor, visitors can learn about North American Indians. Going up one more floor, visitors can see a working beehive, live snakes, stuffed fish and birds, and many other displays of Kansas plants and animals.
The first exhibits in the museum are (46) .
Nowadays, there are more than (47) on the four floors.
The first exhibit visitors could see is called (48) .
On the fifth floor, visitors may get the knowledge about (49) .
Snacks and stuffed fish and birds are displayed on (50) floor.