首页
登录
职称英语
Agriculture is undoubtedly the most important sector in the economies of m
Agriculture is undoubtedly the most important sector in the economies of m
游客
2023-09-02
20
管理
问题
Agriculture is undoubtedly the most important sector in the economies of most non-oil exporting African countries. It【C1】______ about 30% of Africa’s GDP and contributes【C2】______ 50% of the total export value,【C3】______ 70% of the continent’s population depending on the sector for their【C4】______ . Production is subsistence in nature with a high【C5】______ on the rain. The debate on climate change and its impacts on agriculture is【C6】______ very crucial to the very survival of the continent and its people. The continent is particularly【C7】______ to climate change because it includes some of the world’s poorest nations.
The climate in Africa is【C8】______ tropical in nature, which is broadly【C9】______ into three main climatic zones:【C10】______ equatorial, dry, and temperate(温带). Within these zones, altitude and other localized【C11】______ also produce distinctive regional climates.
Climate change,【C12】______ indicated by prolonged drought is one of the most serious climatic【C13】______ affecting the agricultural sector of the continent. As most of the agriculture activities in African countries hinges on rain fed, any adverse changes in the climate would likely have a【C14】______ effect on the sector in the region.
【C15】______ changes in the climate may affect the whole continent, its【C16】______ may vary across the continent. In northeast Africa, more intense dry periods and shorter wet seasons are expected to affect even huge river systems such as the Blue Nile, leading to serious water shortages and【C17】______ consequences to the agriculture and forestry sectors throughout the region. East and Central Africa will also see its agricultural【C18】______ decline. Coastal areas may also be affected by rising sea levels and intrusion of salt water into inland freshwater resources. The staple food for the region, maize, is particularly susceptible to drought. Wetlands of international importance and wildlife are also under threat from【C19】______ in Southern Africa. Climate change, therefore, is expected to worsen the food supply,【C20】______ , exacerbate the widespread poverty in the region. [br] 【C4】
选项
A、work
B、livelihood
C、jobs
D、family
答案
B
解析
介词辨义题。本处意思是:非洲大陆70%的人口依赖这一产业为生.故选livelihood“生计、营生”。
转载请注明原文地址:https://tihaiku.com/zcyy/2977661.html
相关试题推荐
[originaltext]Atonetimeitwasthemostimportantcityintheregion--ab
UsingLandWiselyAveryimportant
Forthesustainabledevelopment,itisimportantto______(想出解决环保问题的办法).figureou
[originaltext]Man’sfirstrealinvention,andoneofthemostimportantinv
[originaltext]Man’sfirstrealinvention,andoneofthemostimportantinv
[originaltext]Atonetimeitwasthemostimportantcityintheregionabu
[originaltext]Atonetimeitwasthemostimportantcityintheregionabu
Whyaresleddogssaidtobephysicalwonders?[br]Whatisveryimportantinth
SomehistorianssaythatthemostimportantcontributionofDwightEisenhowe
【B1】______[br]【B10】______[originaltext]OneofAmerica’smostimportant(26
随机试题
Scientistshavedevelopedanewcancerdrug.Sofar,theyhavetasteditonl
Schoolsthroughouttheworldareexperiencingaperiodofrapidchangeand,
狭窄骨盆对胎儿的影响是A.发生新生儿产伤 B.导致胎儿窘迫 C.引起感染
A.肾小球毛细血管血压降低 B.肾小球滤过面积减少 C.滤过膜通透性增高
甲建筑公司承揽的是批准开工报告的工程项目,合同约定于2007年3月1日开工,但是
关于砌筑砂浆稠度的说法,正确的有()。A、雨期施工,砂浆的稠度值应适当增加 B
某企业2018年当年实现利润250万元,缴纳企业所得税50万元,年初
强调人的身心发展的力量主要源于人自身的内在需要,身心发展的顺序也是由身心成熟机制
职业病的预防可以从()方面入手开展工作。A.作业环境管理 B.作业管理 C.
砖基础施工时,砖基础的转角处和交接处应同时砌筑,当不能同时砌筑时,应留置()A、
最新回复
(
0
)