题目内容：

  The Spring Festival Gala hosted by China Central Television each year has become an important part of the Chinese Lunar New Year celebration since 1983. As an important part of traditional Chinese culture, the celebration of Spring Festival is spreading around the world.

The Spring Festival Gala is combined with songs, dances, comic sketches, opera and folk arts. Harmony（和谐）and reunion（团聚）are the two themes of the gala. With a cheerful atmosphere, the gala is filled with laughter and applause from the beginning to the end. The gala usually starts at 8 on New Year’s Eve and lasts for about four hours. The program’s TV ratings have ranked first among China’s different shows over the past twenty years.

But it’s difficult to fit all audiences’ tastes. Each year the gala hopes to absorb(吸收) new ideas and surprise people. So it has become a big challenge for CCTV and its creative staff. In recent years, some people have thought the Spring Festival Gala should be canceled. But lots of people still support it. Some people local TV stations even have begun to host their own shows, which have met the growing cultural needs of audiences. One successful example is Hunan TV’s gala, which now ranks second. Another new type of show is the Shanzhai (copycat) Spring Festival Gala Show. Whether people watch CCTV’s gala or other similar shows, Chinese people will surely enjoy themselves on the Lunar New Year’s Eve.

1.Why does the celebration of the Spring Festival spread around the world?

It spreads around the world because it is __________________________.

2.What are the themes of CCTV’s Spring Festival Gala?

The themes of the gala are ______________________.

3.How long does CCTV’s Spring Festival Gala usually last?

It uaually lasts for ____________.

4.Why does the Spring Festival Gala become a big challenge for CCTV and its staff?

It becomes a big challenge because it is difficult _____________.

5.What is the best title of this passage?    ____________.