未知题型 根据短文的内容回答，下列题目Telling Tales about PeopleOne of the most common types of nonfiction, and one that many people enjoy reading, is stories about people&39;s lives. These stores fall into three general categories: autobiography, memoir,and biography.

未知题型 根据短文内容，回答题。Sea HorsesSea horses are unusual parents. The female sea horses lay the eggs, but unlike other creatures,it&39;s the males that give birth to the young.Male sea horses have a fold of skin on their bellies that forms pocket, called a brood pouch.During the breeding season, the sea horse&39;s pouch swells to receive eggs. A female sea horse lays up to 200 eggs at a time in the pouch. Then she swims off, leaving her male partner to care for the developing eggs and give birth to young sea horses. The female will return everyday to check on her mate and the eggs, but she doesn&39;t stay long, nor does she take part in the birth.It takes from two to six weeks for the eggs in the male&39;s pouch to develop. During this time the male avoids open water and hides in sea grass. His big pouch makes it difficult for him to swim,so the male often uses his tail to grasp a piece of sea grass. Firmly gripping the grass, he will stay perfectly still for hours or even days. The male sea horse will change his color to blend with his surroundings and avoid being seen by predators who will try to eat him or poke holes in his pouch to get the eggs.The eggs hatch inside the male&39;s pouch. When the babies begin moving around, the male sea horse knows it&39;s time for them to be born. He grabs a sea grass stem with his tail and begins rocking, bending, and stretching his body so that the rest of the babies can be born. Sometimes he has to press his pouch against a rock or some stiff seaweed to force the young out.Sea horse babies are born in groups of five or more. Sometimes it takes two days for the father sea horse to give birth to all his young. He is very tired when it&39;s over.Soon after giving birth to one brood, the male will approach his mate and show her his empty pouch. This tells her he is ready to receive eggs again.What part does the female sea horse play in having babies? 查看材料

未知题型 请根据短文的内容，回答题。The Development of BalletBallet is a dance form. that has a long history. The fact that it survives to this day shows that it has adjusted as times have changed.Ballet began in the royal courts during the Renaissance. At that time it became common for kings and queens, as well as other nobility, to participate in pageants that included music, poetry and dance. As these entertainments moved from the Italian courts to the French ones, court ladies began participating in them. Though their long dresses prevented much movement, they were able to perform. elaborate walking patterns. It was not until the 1600s that women dancers shortened their skirts, changed to fiat shoes, and began doing some of the leaps and turns performed by men.It was also in the 1600s that professional ballet began..King Louis XIV of France, himself a devoted dancer, founded the Royal Academy of Dance. The five basic feet positions from which all ballet steps begin were finalized. In the late 1700s another important change occurred. Ballet began tell a story on its own. It was no longer simply dance to be performed between acts of plays.Elaborate wigs and costumes were eliminated. By the early 1800s dancers learned to rise on their toes to make it appear that they were floating.Classical ballet as we know it today was influenced primarily by Russian dancing. The Russians remained interested in ballet when it declined in other European countries in the mid-1800s. One of the most influential figures of the early 20th century was Sergei Diaghilev. His dance company, the Ballets Russes, brought a new energy and excitement to ballet. One of his chief assistants, George Balanchine, went on to found the New York City Ballet in 1948 and to influence new generations of dancers.This passage deals mainly with__________. 查看材料