题目内容：

    Welcome to Edinburgh, the world's leading festival city.

Edinburgh International Science Festival

Time: 6 April to 20 April

Edinburgh International Science Festival, founded in 1983, is the world's first public science festival. The two-week festival gives audiences amazing experiences through a diverse program of inspiring events. Alongside the annual festival in Edinburgh, the organization has a strong focus on education and runs a touring program that visits schools around Scotland throughout the year.

Edinburgh International Book Festival

Time: 10 August to 20 August

Edinburgh International Book Festival is the largest public celebration of the written word in the world, which was first held in 1997. Every August around 1,000 writers and thinkers from across the world gather with the audiences in Edinburg. Here book lovers can rub shoulders with world-renowned authors --- or just relax in the sunshine with a deckchair, a drink and a favorite read.

Scottish International Storytelling Festival

Time: 19 October to 31 October

Beginning in 1989, the Scottish International Storytelling Festival is the largest storytelling event in the world. Drawing heavily on traditional tale-tellers from Scotland — as well as international guests with stories from their own cultures, the festival is a very special celebration of the oral tradition. Skilled storytellers draw their audiences in, bringing together past and present, real and unreal, for an attractive 10 days.

Edinburgh International Children's Festival

Time: 25 May to 2 June

Edinburgh International Children's Festival is the one dedicated specifically to children. It brings some of the world's best theatre, dance and plays made for young people to Edinburgh for nine days of inspiring and entertaining shows and special events. The Festival began in 1980 and is now spread over 10 activity fields, attracting a loyal audience of 10,000 families, schools and artists.

1.What is the duration of Edinburgh International Science Festival?

A.About one week. B.Less than 10 days.

C.About two weeks. D.More than half a month.

2.What can the tourists do in Edinburgh International Book Festival?

A.Meet world-famous authors. B.Buy all their favorite books.

C.Relax by listening to stories. D.Share stories with audiences.

3.Which festival has the longest history?

A.Edinburgh International Science Festival.

B.Edinburgh International Book Festival.

C.Scottish International Storytelling Festival.

D.Edinburgh International Children's Festival.