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
2024-05-11
28
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/3593927.html
相关试题推荐
Agricultureisundoubtedlythemostimportantsectorintheeconomiesofm
Agricultureisundoubtedlythemostimportantsectorintheeconomiesofm
Agricultureisundoubtedlythemostimportantsectorintheeconomiesofm
Agricultureisundoubtedlythemostimportantsectorintheeconomiesofm
Agricultureisundoubtedlythemostimportantsectorintheeconomiesofm
Agricultureisundoubtedlythemostimportantsectorintheeconomiesofm
Agricultureisundoubtedlythemostimportantsectorintheeconomiesofm
Agricultureisundoubtedlythemostimportantsectorintheeconomiesofm
Agricultureisundoubtedlythemostimportantsectorintheeconomiesofm
Agricultureisundoubtedlythemostimportantsectorintheeconomiesofm
随机试题
Wheredoestheconversationtakeplace?[br][originaltext]W:Thisfoodisterr
Atwhattimedoesthisconversationtakeplace?[br][originaltext](A=woman,
Thelongyearsoffoodshortageinthiscountryhavesuddenlygivenwayto
[originaltext]W:Whatagreatday,don’tyouthink?M:Iguessso.Ihadn’tnot
有关接触式桥体的说法不正确的是()A.有利于美观和发音 B.临床最
女性,32岁,双手指遇寒冷后顺序出现苍白,青紫和潮红3年,逐渐加重,每次发作时间
宜饭后服用的药物是A.对胃肠有刺激性的药 B.补虚药 C.驱虫药 D.安神
所有者权益类的账户有()。A.盈余公积 B.实收资本 C.利润分配
下列关于黄金投资的特点的说法中,错误的是()。A.受国际市场影响大且存在一定的
会计计量是用货币或其他量度单位计算各项经济业务事项和结果的过程,主要解决某项经济
最新回复
(
0
)