首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Let us consider what science and technology have to contribute to the food problem. The simplest way to increase food produc
Let us consider what science and technology have to contribute to the food problem. The simplest way to increase food produc
admin
2013-06-17
47
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 under cultivation and put more people to work on it. Some of the underdeveloped countries have resorted to this【S1】______approach, without notable success. It contains several fallacies. For one thing, it usually means moving into marginal lands where the soil and climatic conditions give a poor【S2】______. Cultivation may quickly deplete this soil, mining it for pasture or forest growth. It is often possible, of course, to turn such lands into useful farms by agricultural【S3】______; for instance, a sophisticated knowledge of how to use the available water through an irrigation system may reclaim semi-arid grasslands for crop-growing. But the cultivation of marginal lands is in any case unsuccessful unlers it is carried out by farmers Mill a centuries—old tradition of experience or by modern experts with a detailed knowledge of the local conditions and the varieties of crops that are suitable for those conditions. Such knowledge is conspicuously absent in the underdeveloped countries.
【S4】______, we know that highly developed countries have not increased the number of acres tinder cultivation, but on the contrary have【S5】______their marginal lands and steadily reduced the proportion of the population engaged in farming. Efficient farming【S6】______concentration on the most efficient lands, and it results in greater production with fewer people. The problem of the underdeveloped countries, then is to increase the【S7】______of their farms and farmers. This would allow them to industrialize and to feed their people more adequately. It is not easy to【S8】______, however. The peasant farmers are【S9】______and resistant to change in their methods of cultivation. The underdeveloped countries are greatly in need of studies and experiments to help them to【S10】______modern agricultural methods to their own conditions.
A)return I)Nevertheless
B)utilize J)mentions
C)Furthermore K)abandon
D)adapt L)accomplish
E)output M)focuses
F)staightforward N)responsible
G)know-how O)productivity
H)conservative
【S10】
选项
答案
D
解析
发展中国家非常需要知识和经验宋帮他们将现代科学技术______ 他们的条件。adapt符合题意。
转载请注明原文地址:https://jikaoti.com/ti/H6oFFFFM
0
大学英语四级
相关试题推荐
Manystudentsfindtheexperienceofattendinguniversitylecturestobeareallyconfusingand【C1】______experience.Thelecture
A、Theman.B、Thewoman.C、Bothofthem.D、Neitherofthem.A此题为明示题。男士说“Ijuststartedtoworkonit”他才刚刚开始准备他的论文。
Distancelearninghasmovedfarawayfromthetraditionalcorrespondencecourse,aimedattheindividualstudentworking【S1】____
A、Thedoctorneedshersignatureformoretestsonhermother.B、Hermotherwantstoseeher.C、Therestofherfamilyisinthe
Asksomeonewhattheyhavedonetohelptheenvironmentrecentlyandtheywillalmostcertainlymentionrecycling.Recyclingin
Theadvantagesanddisadvantagesofalargepopulationhavelongbeenasubjectofdiscussionamongeconomists.Ithasbeenargu
Theadvantagesanddisadvantagesofalargepopulationhavelongbeenasubjectofdiscussionamongeconomists.Ithasbeenargu
Oneofthefourpoliceofficersinjuredintheexplosionhasbeen______fromhospital.
MessagetoyoungChineseinthe21stcenturyFundamentalSciencehasprovideduswithanincreasinglydetailedandaccurate
Itiseasiertonegotiateinitialsalaryrequirement.Becauseonceyouareinside,the【S1】______constraintsinfluencewageincre
随机试题
以下关于梅毒描述错误的是
正常骨盆的形态是
患者,女,45岁,已婚。月经紊乱1年,停经50天后突然阴道大量出血5天,经色深红、质稠,口渴烦热,舌红苔黄,脉洪数。妇科检查末见异常,子宫内膜为腺囊型增生过长。应首先考虑的是
诊断小儿重度脱水的主要依据是
下列关于操作风险分类的说法,正确的是()。
在绩效管理的各个环节中,管理者关心的中心和焦点应当始终是()。
《中华人民共和国未成年人保护法》规定,教育基地或场所应对未成年人免费开放。下列选项中,在此范围内的是()。
以下发生烫伤后所采取的措施不正确的是()。
以下说法哪一个是不正确的?
下列各设备中,全部属于计算机输出设备的一组是()。
最新回复
(
0
)