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 bei
Thomas Malthus published his "Essay on the Principle of Population" almost 200 years ago. Ever since then, forecasters have bei
admin
2012-07-11
61
问题
Thomas Malthus published his "Essay on the
Principle of Population" almost 200 years ago. Ever
since then, forecasters have being warning that (1)______
worldwide famine was just around the next corner.
The fast-growing population’s demand for food, they
warned, would soon exceed their supply, leading to (2)______
widespread food shortages and starvation.
But in reality, the world’s total grain harvest
has risen steadily over the years. Except relatively (3)______
isolated trouble spots like present-day Somalia, and
occasional years of good harvests, the world’s food (4)______
crisis has remained just around the corner. Most
experts believe this can continue even as if the (5)______
population doubles by the mid-21st century,
although feeding 10 billion people will not be easy
for politics, economic and environmental reasons. (6)______
Optimists point to concrete examples of continued
improvements in yield. In Africa, by instance, im- (7)______
proved seed, more fertilizer and advanced growing
practices have been more than doubled corn and wheat (8)______
yields in an experiment. Elsewhere, rice experts in
the Philippines are producing a plant with few stems (9)______
and more seeds. There is no guarantee that plant
breeders can continue to develop new, higher-yield
ing crops, and most researchers see their success to (10)______
date as reason for hope.
(8)
选项
答案
去掉been
解析
转载请注明原文地址:https://kaotiyun.com/show/2MiO777K
0
专业英语八级
相关试题推荐
A、environmentB、populationC、cultureD、economicgrowthC
LanguageFamiliesThereareover【1】languagesthatareusedthroughouttheworldtoday.Almostalloftheselanguagesbelongt
LanguageFamiliesThereareover【1】languagesthatareusedthroughouttheworldtoday.Almostalloftheselanguagesbelongt
LanguageFamiliesThereareover【1】languagesthatareusedthroughouttheworldtoday.Almostalloftheselanguagesbelongt
Mostinterpretersagreethattheirreallyunsettlingmomentscomewhenthespeakermakesajokeinvolvinganuntranslatable-play
OncefoundalmostentirelyinthewesternUnitedStatesandinAsia,dinosaurfossilsarenowbeingdiscoveredonallsevencont
OncefoundalmostentirelyinthewesternUnitedStatesandinAsia,dinosaurfossilsarenowbeingdiscoveredonallsevencont
Foronebriefmoment,afteryearsoffearandloathing,AmericaseemedreadytomakepeacewiththeSAT.WhentheUniversityof
AspectsThatMayFacilitateReadingⅠ.DeterminingyourpurposeA.Readingfor【1】______:likereadingthelatestHarryPott
随机试题
舌绛少苔最常见的情形是()
石油的相对密度是指在()条件下,石油密度与4℃条件下纯水密度的比值。
女性患者,外阴瘙痒、灼痛2天,坐卧不宁,痛苦非常,来院就诊。妇科检查见白带较多,呈白色稠厚豆渣样,小阴唇内侧附着有白色膜状物,擦除后露出红肿黏膜面。其最可能的诊断为下列哪项
霍乱弧菌的主要致病物质是
下列各科目的期末余额,不应在资产负债表“存货”项目列示的是()。
()通过对比考评期内员工的实际工作表现与绩效计划的目标来寻找工作绩效的差距和不足。
2004年,南京市人均可支配收入与常州市相比()。
大学院制
下列叙述中正确的是
AtriumphforscientificfreedomThisweek’sNobelPrizewinnersinmedicine—AustraliansBarryJ.MarshallandJ.RobinWarr
最新回复
(
0
)