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
2018-10-19
5
问题
Thomas Malthus published his Essay on the Principle of Population
almost 200 years ago. Ever since then, forecasters have being warning 【M1】______
that worldwide famine was just around the next corner. The fast-growing
population’s demand for food, they warned, would soon exceed their 【M2】______
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, 【M3】______
and occasional years of good harvests, the world’s food crisis has remained 【M4】______
just around the corner. Most experts believe this can continue even as if 【M5】______
the population doubles by the mid-21st century, although feeding 10 billion
people will not be easy for politics, economic and environmental reasons. 【M6】______
Optimists point to concrete examples of continued improvements in yield.
In Africa, by instance, improved seeds, more fertilizers and advanced 【M7】______
growing practices have more than double corn and wheat yields in an 【M8】______
experiment. Elsewhere, rice experts in the Philippines are producing
a plant with few stems and more seeds. There is no guarantee that plant 【M9】______
breeders can continue to develop new, higher-yielding crop, but most 【M10】______
researchers see their success to date as reason for hope.
【M1】
选项
答案
being改为been
解析
(“have been+现在分词”为现在完成进行时。)
转载请注明原文地址:https://kaotiyun.com/show/R68K777K
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
Makingagoodfirstimpressionisimportantforbuildingrelationshipswithotherpeople.Inbusinessnetworking,apositivefir
Makingagoodfirstimpressionisimportantforbuildingrelationshipswithotherpeople.Inbusinessnetworking,apositivefir
—Ohdear.What’swrong?—Well,I’mmakingsomechangestotheproduct______,togivethecompanyawholenewimage.
ThepopulationinHongKongis______Chinese.
Realisingthathehadn’tgotenoughmoneyand______toborrowanyfromhisparents,hedecidedtosellhishouse.
Pleasesweepupalltheglass______beforeanyonestepsonthem.
Peopletypicallyfindunemploymentapainfulexperience.Itmayresultfromtheinabilitytofindafirstjob,layoffs,dismisse
Smith:Comeinplease,Linda.I’vegotsomegreatnewsforyou.Afterreviewingyourrecord,themanagementhasdecidedtosend
Therecanbe【D1】______anyonewhohasnotheardofyoga,and,whetheryouare16or60,youcanreapthe【D2】______oftakingitup
Therecanbe【D1】______anyonewhohasnotheardofyoga,and,whetheryouare16or60,youcanreapthe【D2】______oftakingitup
随机试题
公民、法人或者其他组织对行政机关所给予的行政处罚,享有()等权利
下列配对正确的是
克雷伯杆菌肺炎
A.抗ds—DNA抗体B.抗RNP抗体C.抗CCP抗体D.抗SSA和SSB抗体E.抗Jo一1抗体混合性结缔组织病的标志抗体
如何认识法的本质?
港口与航道工程中,安装人工块体前,应进行一系列检查,不符合要求时,应进行修整。则下列不在检查范围内的是()。
普通住宅的屋面防水等级通常分为()级。
接上题,如果刘女士已经在另外的账户中为儿子准备好了大学学费,该基金完全用于儿子的大学四年及研究生两年的生活费,在考虑投资收益的情况下,则她的儿子届时每个月初可以有()元的生活费。
情绪三因素理论(情绪的认知学说之一)认为情绪产生包含三个要素:______、______、______,其中______起决定作用。
建造一个容积为8立方米,深为2米的长方体无盖水池。如果池底和池壁的造价分别为120元/平方米和80元/平方米,那么水池的最低总造价是()元。
最新回复
(
0
)