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阅读下面短文，从每题所给的A、B、C、D四个选项中选出可以填入空白处的最佳选项。
Ciudad Perdida，Colombia's “Lost City” is older than Machu Picchu.There are no trains or buses allowing of __21__ travels to reach its ruins.The remote place is only __22__ on foot: a tiring multiday hike.
Despite this，I couldn't __23__ the opportunity to visit Ciudad Perdida.12 other hikers and I went there in __24__ with a licensed guide.The dirt path，which __25__ through towering palms and dangling vines(藤蔓)，proved __26__ right from the start.Along the way we also met the __27__．They have been left undisturbed for centuries and there's a deep __28__ between them and the land.
The next morning，we were off early to __29__ the heat，but high temperatures and muscle pain had already __30__by the time we reached the final stage—1，200 stone steps to __31__．After finally lifting my painful body up the long flight of stairs，my eyes rested on the scene that had __32__ the backbreaking journey：Ciudad Perdida.
I looked down and wondered at the beautiful site below.While the return trip included __33__ the mental hurdle(障碍)of having already accomplished our goal，the experience is the one I would do __34__．It is the difficulty that makes the journey a more __35__one.Earned views are always better.
[语篇解读] 本文是一篇记叙文。哥伦比亚的“失落之城”——佩尔迪达城比马丘比丘还要古老。作者在导游的带领下和其他徒步旅行者一起不辞劳苦抵达这座城市，一睹其神秘面貌，收获满满。
21．A.long B．endless
C．frequent D．easy
解析：根据下文的on foot：a tiring multiday hike可知，到那里需要步行且需要花费几天时间。由此可知，没有火车或公共汽车能让你轻易到达这座城市的废墟。easy“轻易的，不费力的”符合语境。endless“无止境的，无数的，无限的”；frequent“经常发生的，频繁的”。
答案：D
22．A.impressive B．accessible
C．worthwhile D．dangerous
解析：根据上文的“The remote place is only”和下文的on foot可知，这里指的是到达这个偏远地方的唯一方式是步行：劳累且多日的徒步旅行。accessible“可到达的，可接近的，可进入的”，符合语境。impressive“令人印象深刻的”；worthwhile“值得的”；dangerous“危险的”。
答案：B
23．A.resist B．obtain
C．promote D．find
解析：根据下文提到作者进行了这次旅行可知，此处表示：尽管有这个(困难)，我还是拒绝不了参观佩尔迪达城的机会。resist“抵挡，抵抗”；obtain“获得”；promote“推动，促进”；find“找到”。
答案：A
24．A.company B．combination
C．harmony D．communication
解析：作者和另外12个徒步旅行者在导游的陪同下前往那里。in company with“与……一起”。
答案：A
25．A.buried B．spread
C．spun D．wound
解析：这条土路蜿蜒曲折，穿过高耸的棕榈树和悬挂的藤蔓，从一开始就颇具挑战性(challenging)。bury“埋葬”；spread“蔓延，扩散”；spin“(使)快速旋转”；wind在这里作不及物动词，表示“蜿蜒，曲折而行”。
答案：D
26．A.disappointing B．embarrassing
C．challenging D．amazing
解析：参见上题解析。disappointing“令人失望的”；embarrassing“令人尴尬的”；amazing“令人惊喜的”。
答案：C
27．A.natives B．visitors
C．guides D．drivers
解析：根据下文的“They have been left undisturbed for centuries and there's a deep __28__ between them and the land.”可知，作者他们在路上遇到了当地人(native)。
答案：A
28．A.similarity B．distinction
C．bond D．belief
解析：几个世纪以来，他们没有被打扰，与这片土地有着深厚的羁绊(bond)。similarity“相似性”；distinction“区别”；belief “信念”。
答案：C
29．A.reduce B．beat
C．test D．feel
解析：根据空前的“we were off early to”和空后的“but high temperatures and muscle pain had already __30__ by the time we reached the final stage”可知，此处表示作者他们趁着天不热早早出发。beat在此表示“避免，逃避”。
答案：B
30．A.watched out B．cut off
C．set in D．gave in
解析：当作者他们到达最后一段路程的时候，气温开始上升，作者浑身肌肉开始(set in)酸疼。watch out“小心，注意”；cut off“剪掉，中断”；give in“屈服，让步，交上”。
答案：C
31．A.construct B．pick
C．cover D．explore
解析：这段路程需要走完1 200阶石阶。cover“行走(一段路程)”。
答案：C
32．A.convinced B．predicted
C．motivated D．simplified
解析：最终，作者的目光落在了佩尔迪达城的景色上，而这正是作者进行这次艰苦旅行的原因。motivate“成为……的动机，是……的原因”，符合语境。convince“说服，使相信”；predict“预言，预报”；simplify“使简易，使简化”。
答案：C
33．A.overcoming B．memorizing
C．observing D．fixing
解析：尽管返程需要克服(overcome)他们因完成目标而懈怠的心理障碍，作者还是愿意再(again)经历一次。
答案：A
34．A.otherwise B．again
C．though D．instead
解析：参见上题解析。
答案：B
35．A.rewarding B．sensitive
C．popular D．flexible
解析：根据作者这次旅行的经历和最后作者的感悟“Earned views are always better.”可知，困难让这次旅行变得更有意义(rewarding)。
答案：A
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