2. 考研
  3. Today we live in a world where GPS systems, digital maps, and other navigation apps are available on our smart phones.【B1】______

Today we live in a world where GPS systems, digital maps, and other navigation apps are available on our smart phones.【B1】______

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问题    Today we live in a world where GPS systems, digital maps, and other navigation apps are available on our smart phones.【B1】______of us just walk straight into the woods without a phone. But phones【B2】______on batteries, and batteries can die faster than we realize.【B3】______you get lost without a phone or a compass, and you【B4】______can’t find north, a few tricks to help you navigate【B5】______to civilization, one of which is to follow the land.
   When you find yourself well【B6】______a trail, but not in a completely【B7】______area, you have to answer two questions: Which【B8】______is downhill, in this particular area? And where is the nearest water source? Humans overwhelmingly live in valleys, and on supplies of fresh water.【B9】______, if you head downhill, and follow any H2O you find, you should【B10】______see signs of people.
   If you’ve explored the area before, keep an eye out for familiar sights—you may be【B11】______how quickly identifying a distinctive rock or tree can restore your bearings.
   Another【B12】______: Climb high and look for signs of human habitation.【B13】______, even in dense forest, you should be able to【B14】______gaps in the tree line due to roads, train tracks, and other paths people carve【B15】______the woods. Head toward these【B16】______to find a way out. At night scan the horizon for【B17】______light sources, such as fires and streetlights, then walk toward the glow of light pollution.
  【B18】______, assuming you’re lost in an area humans tend to frequent, look for the【B19】______we leave on the landscape. Trail blazes, tire tracks, and other features can【B20】______you to civilization.
【B12】
选项 A、problem
B、option
C、view
D、result
答案B
解析 这里提到了一个关键词another，所以说明它所指代的内容在上文中提到过，且后面有冒号解释说明：爬到高处，寻找人类居住的迹象。说明这也是另一种方法，所以只有option最合适，故选B。
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考研英语一

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