英语专业八级改错真题 2.docVIP

1 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 one half emphasize gathering plant foods, one-third concentrate on fishingand only one-sixth are primarily hunters. Overall, two-thirdsand more of the hunter-gatherer’s calories come from plants. Detailed 3.______studies of the Kung by the food scientists at the University ofLondon, showed that gathering is a more productive source of foodthan is hunting. An hour of hunting yields in average about 100 4.______edible calories, as an hour of gathering produces 240. 5.______ Plant foods provide for 60 percent to 80 percent of the Kung 6._______diet, and no one goes hungry when the hunt fails. Interestingly, ifthey escape fatal infections or accidents, these contemporaryaborigines live to old ages despite of the absence of medical care. 7._______They experience no obesity, no middle-aged spread, little dental decay, no high blood pressure, on heart disease, and their bloodcholesterol levels are very low( about half of the average American 8._______adult), if no one is suggesting what we return to an aboriginal life 9.________style, we certainly could use their eating habits as a model for 10.________healthier diet. 2 The grammatical words which play so large a part in English? grammar are for the most part sharply and obviously different 1._______? from the lexical words. A rough and ready difference which may? seem the most obvious is that grammatical words have“ less? meaning”, but in fact some grammarians have called them 2._______? “empty” words as opposed in the “full” words of vocabulary. 3.________? But this is a rather misled way of expressing the distinction. 4._________? Although a word like the is not the name of something as man is,? it is very far away fr