关节脱位的定义是（）。

A.关节分离

B.关节囊扭伤并断裂

C.关节面失去正常对合关系

D.关节韧带断裂

E.关节出现畸形和弹性固定

阅读下面短文，根据所学课文内容填入适当的词语，使文章合理通顺，每空一词。

Have you ever wanted to be part of a band as a famous singer or musician? To be 小题1:       , a lot of people 小题2:           great importance to becoming rich and famous. Most musicians often meet and 小题3:           a band because they like to write and play their own music. They may give 小题4:____________ in pubs or clubs, for 小题5:_______   they are paid in cash. However, there was one band that started in a different way. It was called the Monkees and began as a TV show. The musicians were to play小题6:_______  on each other as well as play music, most of which was 小题7:            loosely on “The Beatles”. And the Monkees’ performances were 小题8:           enough to be copied by other groups. After a year or so, they started to play and sing their own songs like a real band. Though the band 小题9:   ____  up in about 1970, they reunited in the mid-1980s. They produced a new record in 1996, with which they 小题10:          their former time as a real band.

The Olympic Games 小题11:_________ the biggest sports meeting in the world. There are two main sets of Olympic Games -- the Winter and the Summer Olympics. Both of them are held 小题12:______    four years on a小题13:            basis. Nowadays all countries can take part. But only athletes小题14:            have reached the agreed standard for their event will be 小题15:____________ as competitors. Women are not only allowed to join in the Olympics but play a very important role.