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
Agriculture is undoubtedly the most important sector in the economies of most non-oil exporting African countries. It【C1】______
Agriculture is undoubtedly the most important sector in the economies of most non-oil exporting African countries. It【C1】______
admin
2013-04-15
79
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.
【C2】
选项
A、to
B、approximately
C、with
D、in
答案
B
解析
介词辨义题。本处意思是:农业为总出口量贡献了大约50%。故选approximately“大约”。
转载请注明原文地址:https://kaotiyun.com/show/S7I7777K
0
大学英语六级
相关试题推荐
Thegovernment’srecentstatementoftheunemploymentfiguresdoesn’t______withthefacts.
Thepatternslookverysimilar,butthereare________differencesbetweenthem.
Therewasabigdemandforaccountantsinthe1980s,andmanygraduatesenteredthe______atthistime.
Formostpeople,fatisaburden.Itdoesn’treallymatterwhereitappears,wejustdon’twantit.Butitturnsoutthatourbo
A、Shehasaclasstoattend.B、Shehasanimportantmeeting.C、Sheisagainsttheman’splan.D、Shewillhaveapicnicwithher
Bynow,howtheimmunesystemisaffectedbystresshasbeenwell-documented.Inonestudy【C1】______newlywedcouples,forexampl
A、Familydebts.B、Banksavings.C、Monthlybills.D、Spendinghabits.D选项均为概括性较强的名词短语表明,本题可能考查短文主题。短文中提到,…there’sanobviousplace
Accordingtonewresearchsimplewordssuchas’be’,’that’,’will’,’him’,’and’andeven’a’couldholdthekeytoasuccessfu
Accordingtonewresearchsimplewordssuchas’be’,’that’,’will’,’him’,’and’andeven’a’couldholdthekeytoasuccessfu
A、Boring.B、Impressive.C、Intensive.D、Inefficient.D文章谈论的是上周联合国在罗马举行的世界粮食安全峰会。文中提到,对于越来越多的人面临饥饿这一问题,这次会议只出台了有限的措施。由此可见,作者认为三天的会
随机试题
A.百会、神门B.肾俞C.印堂D.气海、肺俞、足三里遗尿肾阳虚者加
左肾上腺解剖描述中,下列哪一项最确切
患者女,67岁。发现乳腺包块1个月余,伴乳头溢液,X线图像如下,最有可能的诊断是
试戴时,可采用如下方法判断颌位关系是否正确,除了
王某过世后留下的6间房屋应由哪些人分配?各自应分得多少?为什么?如王乙要求以自己的名义代位请求孙某支付车祸致人损害的赔偿金,其主张能否得到支持?为什么?
以下属于准公共产品的是()。
你是一个工作组的组长,你们组的小马性格直爽。只对组里很有才能的同事非常尊敬,对其他同事则爱答不理。请问你如何与他沟通?
A、正确B、错误B
Peoplefrommanyplacesweredrawntothecitybyitsgrowingeconomy.
It’spossibletoadmireOprahWinfreyandstillwishHarvardhadn’tawardedheranhonorarydoctoroflawdegreeandthecommenc
最新回复
(
0
)