下面有1篇短文，短文後有5道題。請根據短文內容，為每題確定1個最佳選項。
Dancing in the Streets
If there is one thing certain to get Brazilians on their feet, it is the Rio Carnival(狂歡節). Held in Rio de Janeiro. the country's biggest city. the carnival began on February 20 when the mayor gave key of the city to Rei Momo-the Lord of Misrule(無序之皇). On his orders, each year people turn the city into a paradise of dance and music. The following six days are so fun of parades, street dancing, fantastic clothes and partying(聚會)that many people forget about eating and sleeping.
"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(桑巴舞), a typical Brazilian dance. Every year, tens of thousands of visitors and locals show off their passion and energy in the streets following the beat(節拍)of the Latin music.
The climax to this street party is the float(彩車)parade, in which floats decorated with tons of fresh flowers by various samba schools and local communities move through the city. On the top of each float stands the candidate for the Drum Queen, who is chosen at the end of the party, while most people are free to enjoy the 's police officers have to keep a clear head. Following the murder of three offlcers in a gunfight early last week, the Brazilian Government has tightened security in Rio. The street fighting, robbery and sex crimes that accompany the carnival are very difficult to police.
Carnivals began in ancient Rome as a celebration at which people fed wild wolves, in honour of the city's founder who was said to have been raised by a she-wolf. Brazil gave new life to this tradition and so. despite the troubles. the carnival will remain a symbol of the country's culture
36. According to the passage. during the Carnival people in Rio did all of the following EXCEPT
A dancing in the streets.
B putting on colorful clothes
C eating a lot of food.
D holding exciting parades
37. How long does the carnival last?
A Six days.
B A whole week.
C Eight days
D The whole of February