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
考研
The role of governments in environmental management is difficult but inescapable. Sometimes, the state tries to manage the resou
The role of governments in environmental management is difficult but inescapable. Sometimes, the state tries to manage the resou
admin
2009-05-21
62
问题
The role of governments in environmental management is difficult but inescapable. Sometimes, the state tries to manage the resources it owns, and does so badly. Often, (21) , governments act in an even more harmful way. They actually subsidize the exploitation and (22) of natural resources. A whole (23) of policies, from farm-price support to protection for coal-mining, do environmental damage and (often) (24) no economic sense. Scrapping them offers a two-fold (25) : a cleaner environment and a more efficient economy. Growth and environmentalism can actually go hand in hand, if politicians have the courage to (26) the vested interest that subsidies create.
No activity affects more of the earth’s surface than farming. It shapes a third of the planet’s land area, not (27) Antarctica, and the proportion is rising. World food output per head has risen by 4 per cent between the 1970s and 1980s mainly as a result of increases in (28) from land already in (29) , but also because more land has been brought under the plough. Higher yields have been achieved by increased irrigation, better crop breeding, and a (30) in the use of pesticides and chemical fertilizers in the 1970s and 1980s.
All these activities may have (31) environmental impacts. For example, land clearing for agriculture is the largest single (32) of deforestation; chemical fertilizers and pesticides may (33) water supplies; more intensive farming and the abandonment of fallow periods (34) exacerbate soil erosion; and the spread of monoculture and use of high-yielding varieties of crops have been accompanied by the (35) of old varieties of food plants which (36) some insurance against pests or diseases in future. Soil erosion threatens the productivity of land in both rich and poor countries. The United States, (37) the most careful measurements have been done, discovered in 1982 that about one-fifth of its farmland was losing topsoil at a rate (38) to diminish the soil’s productivity. The country subsequently (39) a program to convert 11 percent of its cropped land to meadow or forest. Topsoil in India and China is (40) much faster than in America.
选项
A、must have been provided
B、might have provided
C、must have provided
D、might have been provided
答案
B
解析
本题测试语法。must have been provided表示一种肯定推测;might have provided表示一种可能的猜测;must have provided表示一种肯定推测;might have been provided表示一种可能的猜测。根据后面的some insurance against pests or diseases in future可知,本句话表示一种可能性,并且应该用主动语态,所以应该选B。
转载请注明原文地址:https://kaotiyun.com/show/OJsa777K
本试题收录于:
MBA联考(英语)题库专业硕士分类
0
MBA联考(英语)
专业硕士
相关试题推荐
自由浮动汇率(FreeFloating)与有管理的浮动汇率(ManagedFloating)
Poweringthegreatongoingchangesofourtimeistheriseofhumancreativityasthedefiningfeatureofeconomiclife.Creativ
Themanageriscallingona______customertryingtotalkhimintosigningthecontract.
Studythefollowingpassagecarefullyandwriteanessay.Yourcompositionshouldbemorethan150words.Youshouldwriteyour
Ethicalprinciplesaregenerallythoughttobe______.Theauthorthinksthatthetruevalueofethicaltheoryliesin______.
YouarethedeanoftheForeignLanguagesDepartmentofNankaiUniversity,China.YouwanttowritetoProfessorBlack,yourfor
Theclassicdifficultyfeltwithdemocracyarisesfromthefactthatdemocracycanneverexpressthewillofthewholepeoplebe
Theroleofgovernmentsinenvironmentalmanagementisdifficultbutinescapable.Sometimes,thestatetriestomanagetheresou
Paperisdifferentfromotherwasteproducebecauseitcomesfromasustainableresource:trees.(21)themineralsandoilused
Modernliberalopinionissensitivetoproblemsofrestrictionoffreedomandabuseofpower.Indeed,manyholdthatamancanb
随机试题
隧道监控量测中洞内外观察包含()。
某厂焊接工张某因生产安全事故受到伤害,依据《安全生产法》的规定,下列关于张某获取赔偿的说法中,正确的是()。
在现场施工准备的质量控制中,项目监理机构对工程施工测量放线的复核控制工作应由( )负责。
根据《建设工程施工专业分包合同(示范文本)》GF—2003—0213,承包人应提供总包合同供分包人查阅,但可以不包括其中有关()。
某公司想运用4个月期的S&P500股票指数期货合约来对冲某个价值为2100000美元的股票组合,当时的指数期货价格为300点,该组合的β值为1.50。一份S&P500股指期货合约的价值为:300×500美元=150000美元。因而应卖出的指数期货
甲公司为增值税一般纳税人,主要提供电信服务。2016年7月,甲公司提供基础电信服务取得不含税销售额100万元,提供增值电信服务取得不含税销售额80万元。甲公司对不同种类服务的销售额分别核算。甲公司当月的销项税额为()万元。
抑郁症的主要特征是持久的()。
“让人人都过上好日子”这种说法是没错的。但是是否因此就可以认为“提倡艰苦朴素”这一口号已经过时了呢?我们今天还要不要发扬艰苦奋斗的光荣传统了呢?__________________。填入划横线部分最恰当的一句是()。
根据我国土地管理法的规定,某省会城市欲征用基本农田以外的耕地45公顷作为建设用地,依法有权批准的是()。
Britain’sdependencyoncertainessentialserviceshasgreatlywidenedandbecomeakeyroleinthecountry’s______.According
最新回复
(
0
)