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英语专业八级改错真题(1999-2009)完整含答案版本
The hunter-gatherer tribes that today live as our prehistoric 1.______human ancestors consume primarily a vegetable diet supplementing 2._____with animal foods. An analysis of 58 societies of modem hunter-gatherers, including the Kung of southern Africa, revealed that onehalf emphasize gathering plant foods, one-third concentrate on fishingand only one-sixth are primarily hunters.
The hunter-gatherer tribes that today live as our prehistoric 1.______human ancestors consume primarily a vegetable diet supplementing 2._____with animal foods. An analysis of 58 societies of modem hunter-gatherers, including the Kung of southern Africa, revealed that onehalf emphasize gathering plant foods, one-third concentrate on fishingand only one-sixth are primarily hunters.
