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9．Rafting the GRAND CANYON Welcomes You!
For an exciting，fun and challenging white water tours，Rafting the GRAND CANYON is here to help you plan the right tour for you．Whether you want to travel for two days or ten，hike in or not'go on an oar raft or motorized trip，we will help you find the trip that meets your needs．
For those who will be vacationing on the off-season a trip on the Native American Red River rafting is available year around or a one-day trip is available on the Colorado River from
Diamond Creek to Pierce Ferry （ about three hours from Las Vegas）．．
Most of the trips depart from Lees Ferry，Arizona （ approximately 2-1/2hours from the south rim of the Grand Canyon）．We offer partial trips which allow you to get on or off at Phantom Ranch located at the bottom of the Grand Canyon National Park South Rim．Requiring a hike in or out，with proper planning the horse ride up or down is also an option．Most trips occur between April and October．
Since all rafting on the Colorado requires a permit，planning and reserving your trip requires reservations well in advance．Please let us know when you would like to go and we will contact all the river concessionaires （特許權獲得者）to help you find the best trip for you．
For planning your trip，questions，concerns or to make your reservations，please email or call the toll free number below．Since these trips are limited we highly recommend you make your reservations months in advance．
To talk to a live person call us toll free：
1-800-222-6966
or 702-655-6060
If you have any questions regarding a trip，please CLICK HERE to fill out our form．This will speed up the process of getting you accurate information regarding your trip．
If you would like to send us an email other than about an up-coming trip you can contact us at info@raftingthegrandcanyon．com．
We look forward to helping you plan your trip�。≒lease NO Travel Agents）

51．If you don't want to take an all-distance trip，you can start atC．
A．Diamond Creek   B．Lees Ferry
C．Phantom Ranch   D．Pierce Ferry
52．On the trip on the Grand Canyon，you are not recommended to enjoyD•
A．oar raft rowing   B．traveling on foot
C．animal riding     D．swimming entertainment
53．At which time of the following is an off-season trip on the Grand Canyon？
A．June．  B．February．  C．October．  D．September．
54．Rafting the Grand Canyon doesn't suggest the reader contact them in the way ofA．
A．calling at it in person   B．filling a form
C．sending an email          D．making a call．

分析 本文屬于說明文閱讀，作者通過這篇文章主要向我們描述了漂流大峽谷的優(yōu)美風景和有意思的旅行，這是一個十分令人興奮的，有趣的和富有挑戰(zhàn)性的水漂流之旅，想要旅行的話可以通過免費電話，電子郵件或填表等方式提前預定，作者旨在吸引讀者前去旅行．

解答 51．C．細節(jié)理解題．由第三段中的"We offer partial trips which allow you to get on or off at Phantom Ranch…"可知，如果你不想從頭到尾地參加這次旅行，你也可以在Phantom Ranch這個地方加入或離開，只參加部分旅行．故選C．
52．D．推理判斷題．本題可用排除法，A項與文中的"…go on an oar raft or motorized trip…"一致，B項與文中的"Requiring a hike in or out…"一致，C項與文中的"…the horse ride up or down is also an option"吻合，只有D項swimming entertainment文中沒有提到．故選D．
53．B．細節(jié)理解題．根據第三段中的"Most trips occur between April and October．"大多數旅行是在四月和十月之間的，可知，February是旅游淡季．故選B．
54．A．細節(jié)理解題．根據文章后半部分可知，只有A項calling at it in person  文中沒有提及，故選A．

點評 考察學生的細節(jié)理解和推理判斷能力，做細節(jié)理解題時一定要找到文章中的原句，和題干進行比較，再做出正確的選擇．在做推理判斷題不要以個人的主觀想象代替文章的事實，要根據文章事實進行合乎邏輯的推理判斷．

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