6．
Celebrate Mardi Gras in New Orleans!
Mardi Gras is held on the Tuesday that is 46 days before Easter（复活节）．The 12 days before it are filled with over 70 parades of dazzling floats（精彩的花车巡游）--there are 9 parades on the day of Mardi Gras alone！Come join us for a festival you'll never forget．
Tips for visitors：
Plan ahead：Many hotels start taking reservations（预订）for Mardi Gras in August．To get the room you want，call well ahead．（52）Don't wait until January!
Plan your transportation：Remember that many streets are closed to cars．Bus time is often changed．
Get there early：For the big parades on the weekend before Mardi Gras，plan to arrive about four hours ahead of time．For the Sunday Night Parade at 6P．M．，you will need to find a good spot in the morning．
Check the weather：It can be very warm or very cold at this time of year．You might need a jacket，sunglasses，or an umbrella-or all three．
Catch Mardi Gras"throws"：People riding on floats（花车）in the parades give"throws"to the crowd People jump up to catch beads，plastic coins，cups，and toy animals．Bring a plastic bag to hold all your treasures．For more information，call Tourist Information Center，（800）555-6789．
51．What does"it"in the first paragraph refer toMardi Gras？
52．According to the text，what's the Chinese meaning of the underlined sentence不要等到一月份才预订房间？
53．When should you arrive if you want to find a good spot for the Sunday Night ParadeOn Sunday morning．/In the morning？
54．How is the weather in New Orleans at this time of yearIrregular．/Very cold or very warm．？
55．What are the"throws"Beads，plastic coins，cups，and toy animals？
