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大英四B班Section IV Passage 1-70
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详细
70.MostoffarmersinAfricaaresubsistencefarmers.Whatdoesitmean?
题型：单选题
选项
A.
A. They don’t have any other skills other than farming.
B.
B. They grow enough food for themselves.
C.
C. They practice sustainable development in farming.
D.
D. They don’t use pesticides in farming.
正确答案：B