The promise of finding long-term technological solutions to the problem of world food shortages seems difficult to【S1】______. Ma

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问题     The promise of finding long-term technological solutions to the problem of world food shortages seems difficult to【S1】______. Many innovations (改革, 创新) that were once heavily supported have since fallen by the wayside. The proposals themselves were technically【S2】______. but they proved to be economically unavailable and culturally unacceptable to their consumers.
    One characteristic【S3】______to unsuccessful food innovations has been that, even with extensive support, they often have not been technologically adapted or culturally acceptable to the people for whom they had been developed. A successful new technology, therefore, must【S4】______the entire social-cultural system in which it is to find a place.
    The adoption of new food technologies depends on more than these technical and cultural【S5】______. economic factors and governmental policies also strongly influence the ultimate success of any innovation. Economists in the Anglo-American tradition have taken the【S6】______in investigating the economics of technological innovation. (Although they exaggerate in【S7】______that profitability is the key factor guiding technical change — they completely disregard the substantial【S8】______of culture — they are correct in【S9】______the importance of profits). Most technological innovations in agriculture can be【S10】______used only by large landowners and are only adopted if these profit-oriented business people believe that the innovation will increase their incomes.
[A] fully [F] considerations [K] common
[B] stressing [G] lead [L] largely
[C] attempt [H] average [M] visible
[D] claiming [I] fit [N] fulfill
[E] adapting [J] feasible [O] effects
【S8】

选项

答案O

解析 空前的substantial表明,本空应填名词,[C]attempt,[H]average和[O]effects入选。他们断言经济因素是最关键的影响,但前面提到文化、政策等也会极大地影响技术革新。由此推断出,他们忽视了文化的重大影响,故答案为[O]effects“影响,作用”。
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