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请教:2016英语专八改错练习题七第7小题如何解答?
Interestingly, if they escape fatal infectionsor accidents, these contemporary aborigines live to old ages despite of the absence __7__of medical care.
Interestingly, if they escape fatal infectionsor accidents, these contemporary aborigines live to old ages despite of the absence __7__of medical care.
An hour of hunting yields in average about 100 edible __4__calories
Plant foods provide for 60 percent to 80 percent of the Kung diet, and no __6__one goes hungry when the hunt fails
he kids over everything having to do with the school. __7__
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