A.Profitability is neither necessary nor sufficient for a new technology to be adopted.
B.Profitability is the key factor guiding technological change.
C.Economic factors and governmental policies strongly influence the ultimate success of any innovation.
D.Innovations carrying high rewards for big agribusiness groups harm the poor.
5.The primary purpose of the passage is to discuss the ___.
A.means of assessing the extent of the world food shortage.
B.difficulties of applying technological solutions to the problem of food shortages.
C.costs of introducing a new food technology into a developing country.
D.nature of the new technological innovations in the area of food production.
第四十一篇答案:CBCCB
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