If there is one thing certain to get Brazilians on their feet，it is the Rio Carnival.Held in Rio de Janeiro.the countrys biggest city.the carnival began on February 20 when the mayor gave key of the city to Rei Momothe Lord of Misrule

　　It was the passion of the carnival that attracted me to Brazil and made me settle down in Rio.said Bob Nadkarni.a British man who has lived in the city for several years For many Brazilians.the centrepiece of the carnival is samba，a typical Brazilian dance.Every year,tens of thousands of visitors and locals show off their passion and energy iu the streets.following the beatof the Latin music.

　　Carnivals began in ancient Rome as a celebration at which people fed wild wolves，in honour of the citys founder who was said to have been raised by a shewolf.Brazil gave new life to this tradition and so.despite the troubles.the carnival will remain a symbol of the countrys culture 36 According to the passage.during the Carnival people in Rio did all of the followingEXCEPT

　　B putting on colorful clothes

　　D holding exciting parades.

　　A Six days.

　　C Eight days

　　38The wordcenterpiecein the 3rd paragraph means

　　B the middle part

　　D the most attractive decoration