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  3. Finding enough meat was a problem for primitive(原始的) man and, keeping it for times when it was scarce(缺乏的) was just as hard. Thr

Finding enough meat was a problem for primitive(原始的) man and, keeping it for times when it was scarce(缺乏的) was just as hard. Thr

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问题     Finding enough meat was a problem for primitive(原始的) man and, keeping it for times when it was scarce(缺乏的) was just as hard. Three ways were found to keep meat from spoiling(腐烂): salting(盐), drying and freezing.
    People near salty waters salted their meat. At first they probably put dry salt on it, but this kept only the outside. Later they may have pickled (腌) their meat by putting it in salt water.
    In hot, dry places, men found that they could eat meat that had dried while it was still on the bones (骨头). They later learned to cut meat into thin pieces and put it up to dry in the hot air.
    Men in cold places found that frozen(结冰的) meat didn’t spoil. They could leave their meat outside and eat it when they are pleased to.
The people in the desert (沙漠) learned to dry meat by_____.
选项 A、putting it up in the hot air
B、leaving the animals where they were killed
C、putting it over their fires
D、leaving the meat on the bones
答案A
解析 倒数第二段最后一句即是选项答案。
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