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  3. Sixty days walking over ice and snow in temperature as low as -45 °C , with nothing to keep you company except the occasional po

Sixty days walking over ice and snow in temperature as low as -45 °C , with nothing to keep you company except the occasional po

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问题    Sixty days walking over ice and snow in temperature as low as -45 °C , with nothing to keep you company except the occasional polar "bear". This is no small achievement. Only a few people have ever walked to the North Pole unassisted, and if Christina Franco succeeds, she will have earned a place in the history books and met one of the few remaining challenges of exploration left to women.
   Her 480-mile journey will begin in northern Canada, dragging a sledge that weighs as much as she does. At the end of each day’s walking or skiing, she will pitch her tent in subzero temperatures, get into a sleeping bag filled with ice, and attempt to sleep to the unsettling background sounds of howling wind and cracking ice, which may or may not signal the approach of one of those polar bears. "I’ll carry a pistol to scare any bears away, " says Franco, 42. "The bears that far north won’t have had contact with humans, fortunately, so they won’t associate me with food, but they will be curious and that’s dangerous. If it uses a paw to see what you are, it could damage your tent—or your arm. I imagine I’ll have quite a few sleepless nights."
   Many of the early polar explorers suffered from disease and injuries, and while modern technology (lightweight materials, satellite phones, places on stand-by to carry out rescue missions) has lessened the dangers, it can never make such an inhospitable landscape anything approaching safe. It can take just five minutes for any uncovered skin to become frostbitten and, once the sun has risen, Franco will only be able to remove her sunglasses inside her tent, otherwise the intensity of the sunlight reflecting off the snow would cause snow blindness. Just to heighten the danger, the cold will slow down her brain functions, so it will be more difficult to make split-second decisions in the event of a sudden crisis.
   She will use about 8, 000 calories a day, losing nearly half a kilogram every 24 hours. "The problem is that the human body can only take on about 5, 500 calories a day, " she says. "So you have to fatten up before you set off or you’ll run out of energy." Franco is currently trying to put on 19 kilos. She may complain about not fitting into any of her dresses, but when Franco weighs herself in front of me and finds she’s lost one kilo rather than gained two, as she’d expected, she’s very upset. "I hope my scales are wrong because, if not, I’ve lost weight, " she says, reaching for one of many bars of chocolate lying around her kitchen.
Why, when she is talking to the writer, does Franco want to eat chocolate?
选项 A、She feels that she has little energy at the moment.
B、She’s just found out her weight has gone down.
C、She knows that her weight is actually going up.
D、She always eats chocolate when she’s upset.
答案B
解析 根据最后一段中的“…when Franco weighs herself in front of me and finds she’s lost one kilo rather than gained two，as she’d expected，she’s very upset．‘I hope my scales are wrong because，if not，I’ve lost weight，’she says，reaching for one of many bars of chocolate lying around her kitchen．”可知，佛朗哥在称体重时发现体重减少了1公斤，而不是像预期的那样增加2公斤时，她就伸手拿了一块巧克力开始吃。因为如果体重计没出故障的话，她的体重下降了，所以她要吃巧克力增重。据此可知，B项正确。
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