Are you looking for a different kind of camp to go to this summer？If you are between 13and 16and love exciting roller coasters（过山车），Thrill Coaster Tour Center in New Jersey will be the perfect choice for you．It will offer the following three exciting tours．
Tour 1：Tour to the west
You will spend ten days （from July 10to July 19）visiting roller coasters in eight different parks in America，including Six Flags Great America．The tour starts at Knoebels Amusement Park，which is one of the best wooden roller coasters in America．After that，we will take you to the roller coaster capital of the world-Cedar Point．I'm sure you will have two exciting days there．Then comes the next park-Six Flags Great America．The tour ends at Kennywood． |
Tour 2：Beach Tour
You will spend six days （from July 17to July 22）in four different parks on the beach．Virginia Beach is the number one beach in America．Kings Dominion，a park on Virginia Beach，has a new kind of roller coaster．It is more than 300feet high． |
Tour 3：North Border Tour
You will spend eight days （from July 22to July 29）visiting the amusement park and roller coasters in Canada．You can try many other activities like paragliding （滑翔伞运动） and indoor rock climbing． |
根据短文内容，选择最佳答案．
51．Thrill Coaster Tour Center offers the above three exciting tours to
．
A．kids from 8to 12
B．teens between 13and 18
C．teens between 13and 16
D．people of all ages
52．Mary is very interested in roller coasters and she is free from July 15to July 25．Which tour will she probably choose？
A．Tour1．
B．Tour 2．
C．Both Tour 1and Tour 2
D．Both Tour 2and Tour 3
53．What's the correct order of Tour 1according to the above information？
a．Kennywood b．Six Flags Great America
c．Knoebels Amusement Park d．Cedar Point
A．c→d→b→a
B．d→a→c→b
C．c→b→d→a
D．b→d→c→a
54．Which of the following is True？
A．The best roller coaster in America is in Knoebels Amusement Park．
B．Tour 1lasts longer than the other two．
C．You can try paragliding and indoor rock climbing if you choose Tour 2．
D．Kings Dominion is a famous beach in America．
55．The above information mainly tells us
．
A．three places of interest in America
B．some famous roller coasters in Canada
C．three famous amusement park
D．three exciting tours in summer．