The amazing image shows the world’s largest ever cruise ship, complete with beach pool, shopping mall, rock-climbing walls, outdoor amphitheater（圆形剧场）and New York-style loft suites（套间）．The “traveling city” is being built on dry-docks in Finland by Royal Caribbean International, and she is named Oasis of the Seas．
Almost 1,200 feet long, 154 feet wide and rising 213 feet above the water line, the Oasis of the Seas will be able to host 3,000 crew to service every passenger’s need．In addition to the size, the Oasis of the Seas will also be the first ship that attracts people by the cruise line’s new
neighborhood concept: 7 distinct themed areas, including Central Park, Boardwalk, the Royal Promenade, the Pool and Sports Zone, Vitality at Sea Spa and Fitness Center, Entertainment Place and Youth Zone．Of all these areas, the excellent zone will be “Central Park”．
Protected from the weather by a clear screen to let in the light, the Central Park area will be themed on Caribbean plants and leaves reflecting the area which the ship will eventually cruise in．And the park zone will have different restaurants, bars and boutique shops, bringing the idea of “floating city” to reality．
In addition, Oasis of the Seas will also include a rock wall, over 15 restaurants and bars, a casino(娱乐场), a theatre, two night-clubs and the largest freshwater pool on any cruise liner．
“Royal Caribbean is proud to introduce a number of ‘firsts’ that the world has never seen before,” said Adam Goldstein, “Oasis of the Seas is the ultimate expression of the creativity and imagination found on all of our ships, providing guests with a collection of experiences that will offer an incredible cruise vacation．”
49．In the passage, Oasis of the Seas refers to ______．
A．a traveling city      B．a cruise ship
C．a deserted island         D．an ocean park
50．It can be inferred from the passage that ______．
A．the Oasis of the Seas hasn’t been built well so far
B．7 distinct themed areas are being built on dry-docks
C．the “traveling city” can hold 3,000 passengers
D．the “traveling city” is a beauty spot
51．The main idea of the third paragraph would be _____．
A．what the Central Park is         B．the location of the Central Park
C．the features of the Central Park   D．the theme of the Central Park
52．The Oasis of the Seas includes a number of ‘firsts’ EXCEPT _____．
A．the world’s largest ever cruise ship                            
B．its way of attracting tourists
C．the largest freshwater pool on any cruise liner              
D．its most delicious food in the world