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  3. The Cold Places The Arctic is a polar region. It surrounds(环绕) the North Pole. Like Antarctica(南极洲) ,the Arctic is a lan

The Cold Places The Arctic is a polar region. It surrounds(环绕) the North Pole. Like Antarctica(南极洲) ,the Arctic is a lan

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问题     The Cold Places
    The Arctic is a polar region. It surrounds(环绕) the North Pole.
    Like Antarctica(南极洲) ,the Arctic is a land of ice and snow. Antarctica holds the record for a low temperature reading—125 degrees Fahrenheit(华氏温标) below zero. Readings of 85 degrees below zero are common in both the Arctic and Antarctica. Winter temperatures average 30 degrees below zero in the Arctic. At the South Pole the winter average is about 73 degrees below zero.
    One thing alone makes it almost impossible for men to live in Antarctica and in parts of the Arctic. This one thing is the low temperature—the killing chill of the far North and the polar South.
    To survive, men must wear the warmest possible clothing. They must build windproof shelters. They must keep heaters going at all times. Not even for a moment can they be unprotected against the below-zero temperatures.
    Men have a way of providing for themselves. Polar explorers wrap themselves in warm coats and furs. The cold makes life difficult. But the explorers can stay alive.
What about animals? Can they survive? Do we find plants? Do we find life in the Arctic and in Antarctica? Yes, we do. There is life in the oceans.
    There is life on land.
    Antarctica, as we have seen, is a cold place indeed. But this has not always been the case. Expedition (探险考察) scientists have discovered that Antarctica has not always been a frozen continent. At one time the weather in Antarctica may have been much like our own.
    Explorers have discovered coal in Antarctica. This leads them to believe that Antarctica at one time was a land of swamps (沼泽) and forests. Heat and moisture must have kept the trees in the forests alive.
Heaters should be kept going in the night for men to survive in polar areas.
选项 A、True
B、False
C、Not Given
答案A
解析 根据原文第四段第二句话，加热设备必须始终开着(at all times)，夜间肯定也得开着。
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