首页
登录
职称英语
Let us consider what science and technology have to contribute to the food
Let us consider what science and technology have to contribute to the food
游客
2023-11-21
33
管理
问题
Let us consider what science and technology have to contribute to the food problem.
The simplest way to increase food production, one might suppose, is to bring more land 【C1】______ cultivation and put more people to work on it. Some of the underdeveloped countries have resorted to this 【C2】______ approach, without notable success. It contains several fallacies. For one thing, it usually means 【C3】______ into marginal lands where the soil and climatic conditions give a poor 【C4】______ . Cultivation may quickly deplete this soil,【C5】______ it for pasture or forest growth. It is often possible, of course, to turn such lands into useful farms by agricultural 【C6】______ ; for instance, a sophisticated knowledge of how to use the available water【C7】______ an irrigation system may reclaim semi-arid grasslands for crop-growing. But the cultivation of marginal lands i6 in any case unsuccessful【C8】______ it is carried out by farmers with a centuries - old tradition of experience or by modern ex pelts with a detailed knowledge of the【C9】______ conditions and the varieties of crops that are suitable for those conditions. Such knowledge is【C10】______ absent in the underdeveloped countries.
【C11】______ , we know that highly developed countries have not increased the【C12】______ of acres under cultivation, 【C13】______ on the contrary have 【C14】______ their marginal lands and steadily reduced the proportion of the population engaged in farming. Efficient farming【C15】______ concentration on the most efficient lands, and it results in greater production with【C16】______ people. The problem of the underdeveloped countries, then is to increase the【C17】______ of their farms and farmers. This would allow them to industrialize and to feed their people more adequately. It is not easy to【C18】______ , how ever. The farmers are conservative and resistant to change【C19】______ their methods of cultivation. The underdeveloped countries are greatly in need of studies and experiments to help them to【C20】______ modern agricultural methods to their own conditions. [br] 【C6】
选项
A、satisfaction
B、know-how
C、standpoint
D、temptation
答案
B
解析
此题考查名词词义。通过什么会使这些荒地变成有用的农场:A项satisfaction“满意”;B项know-how"技术;实际知识;窍门”;C项 standpoint“立场;观点”;D项temptation“诱惑”。可见B项符合题意。
转载请注明原文地址:https://www.tihaiku.com/zcyy/3206339.html
相关试题推荐
TheCloningTechnologyI.Thedifference
TheCloningTechnologyI.Thedifference
TheCloningTechnologyI.Thedifference
TheCloningTechnologyI.Thedifference
TheCloningTechnologyI.Thedifference
TheCloningTechnologyI.Thedifference
TheCloningTechnologyI.Thedifference
TheCloningTechnologyI.Thedifference
[originaltext]J:Becausein1987theDepartmentofEducationandScienceestabl
[originaltext]J:Becausein1987theDepartmentofEducationandScienceestabl
随机试题
ThemostimportantcontributionofthePragueSchooltolinguisticsisthatits
Wehavelearnedtovaryourlanguageandourbehaviorto_____theneedsofdiff
Dearsir,ThankyouforyourletteronMarch15.Weknowthatyouwanttoor
Collisionbetweenanaircraftandoneormorebirdsistermedabird-strike.
There’sNoPlaceLikeHomeOnalmostanynightofthewee
WaltDisneystartedhisanimationcareerinKansasCity,Missouri,producing
()假定,股利是投资者在正常条件下投资股票所直接获得的唯一现金流,则就可以
关于公司和应聘者之间的关系,下列说法不正确的是()A.公司和应聘者之间是双向选
首次企业公开发行和上市公司再次公开发行证券都需要保荐机构和保荐代表人保荐。保荐
下列关于贷款管理者责任制的说法,正确的有()。A.贷款实行分级经营管理,各
最新回复
(
0
)