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
Thomas Malthus published his Essay on the Principle of Population almost 200 years ago. Ever since then, forecasters have being
Thomas Malthus published his Essay on the Principle of Population almost 200 years ago. Ever since then, forecasters have being
admin
2023-01-16
88
问题
Thomas Malthus published his Essay on the Principle of Population almost 200 years
ago. Ever since then, forecasters have being warning that worldwide famine was just around
the next comer. The fast-growing population’s demand for food, they warned, would soon
exceed their supply, leading to widespread food shortages and starvation.
But in reality, the world’s total grain harvest has risen steadily over the years. Except
for relative isolated trouble spots like present-day Somalia, and occasional years of poor
harvests, the world food crisis has remained just around the corner. Most experts believe
this can continue even as if the population doubles by the mid-21st century, although feeding
10 billion people will not be easy for politics, economic and environmental reasons. Optimists
point to concrete examples of continued improvements in yield. In Africa, by instance,
improved seeds, more fertilizers and advanced growing practices have more than double
corn and wheat yields in an experiment. Elsewhere, rice experts in the Philippines are
producing a plant with few stems and more seeds. There is no guarantee that plant breeders
can continue to develop new, higher-yielding crop, but most researchers see their success
to date as reason for hope.
【M7】
选项
答案
第10行的by→for。
解析
该句的意思是“例如,在非洲,在一项试验中,改良种子、更多化肥和先进的种植方法使玉米和小麦产量增加了一倍以上”。for instance为固定用法,表示“例如”。因此将by改为for。
转载请注明原文地址:https://kaotiyun.com/show/IWSD777K
本试题收录于:
B类竞赛(英语专业本科专科)题库大学生英语竞赛(NECCS)分类
0
B类竞赛(英语专业本科专科)
大学生英语竞赛(NECCS)
相关试题推荐
Generallyspeaking,aBritishiswidelyregardedasaquiet,shyandconservativepersonwhois【C1】________onlyamongthosewith
Englishhasbecometheworld’snumberonelanguageinthe20thcentury.IneverycountrywhereEnglishisnotthenativelanguag
FieldsacrossEuropearecontaminatedwithdangerouslevelsoftheantibioticsgiventofarmanimals.Thedrugs,whichareinma
Marriageis,formanypeople,theirmostimportantrelationship,thesourceofmuchhappiness,and,forsome,evenaddsextraye
Marriageis,formanypeople,theirmostimportantrelationship,thesourceofmuchhappiness,and,forsome,evenaddsextraye
Marriageis,formanypeople,theirmostimportantrelationship,thesourceofmuchhappiness,and,forsome,evenaddsextraye
SowhyisGooglesuddenlysointerestedinrobots?That’sthequestioneveryone’saskingafteritemergedthismonththatthein
ThespeakerthinksthattobeateacherismoredifficultthantobethepresidentoftheNEA.
(1)Althoughnumbersofanimalsinagivenregionmayfluctuatefromyeartoyear,thefluctuationsareoftentemporaryand,over
Formanye-commercesellers,thethoughtofreturns,especiallyinternationalreturns,isatrueheadache.Theycutintoprofit
随机试题
违法嫌疑人或者被侵害人对鉴定意见有异议的,可以在5日内提出重新鉴定的申请,经公安机关审查批准后,进行重新鉴定。
针对合作型谈判者,一般应采用的谈判原则是()
Tomgotveryangrywhenherealizedhe______.
一个简单的酶促反应,当[S]<<Km时,出现的现象是
情景描述:某歌舞娱乐场所一共6层,层高3m,每层建筑面积2000m2,耐火等级二级,按照现行有关国家工程建设消防技术标准的有关规定设置消防设施。该歌舞厅定位是高档休闲娱乐场所,采用了豪华装修,大厅吊顶采用了胶合板、贴顶纸,墙壁为化纤装饰布。
在进行5W1H装卸搬运分析的过程中,需要对装卸搬运地点考虑的因素有()。
某企业的绩效管理主要采用以下步骤和方法:第一步,对于部门主管以上领导干部,年终由主管领导召集其下属员工开会。共同听取其述职报告,再由员工及上级领导根据其一年来的表现填写“年度领导干部考核评议表”。该表汇总后将分数按“领导、部门内同事、下属”(2:3
下列哪一对国家颜色必须不同?下列哪一个国家的颜色可以与w的颜色相同?
ReadthefollowingtextcarefullyandthentranslatetheunderlinedsegmentsintoChinese.Yourtranslationshouldbewritte
2010年,微电影(microfilm)《老男孩》(OldBoy)被贴在一个视频网站并大受欢迎。从此,微电影开始盛行。微电影的长度从3分钟到半小时不等。成本低廉,拍摄过程简单,这使得很多草根艺人(grassrootsartist)得以有机会来拍摄。人
最新回复
(
0
)