首页
登录
职称英语
With the world’s population estimated to grow from six to nine billion by 20
With the world’s population estimated to grow from six to nine billion by 20
游客
2024-01-31
4
管理
问题
With the world’s population estimated to grow from six to nine billion by 2050, researchers, businesses and governments are already dealing with the impact this increase will have on everything from food and water to infrastructure (基础设施) and jobs. Underlying all this【C1】______ will be the demand for energy, which is expected to double over the next 40 years.
Finding the resources to meet this demand in a【C2】______ and sustainable way is the cornerstone (基石) of our nation’s energy security, and will be one of the major【C3】______ of the 21st century. Alternative forms of energy-bio-fuels, wind and solar, to name a few are【C4】______ being funded and developed, and will play a growing【C5】______ in the world’s energy supply. But experts say that even when【C6】______ , alternative energy sources will likely meet only about 30% of the world’s energy needs by 2050.
For example, even with【C7】______ investments, such as the $ 93 million for wind energy development【C8】______ in the American Recovery and Reinvestment Act, important alternative energy sources such as wind and bio-fuels【C9】______ only about 1% of the market today.
Energy and sustainability experts say the answer to our future energy needs will likely come from a lot of【C10】______ both traditional and alternative.
A) stable I) exactly
B) solutions J) consist
C) significant K) comprise
D) role L) competitions
E) progress M) combined
F) marvelous N) challenges
G) included O) certainly H) growth [br] 【C7】
选项
答案
C
解析
分析该句的句子结构可以推断出空格处应为形容词。由下一句中投资9 300万美元开发风能可知,开发可替代能源的投资是非常巨大的,备选项中只有significant意为“大量的,可观的”,符合题意。
转载请注明原文地址:https://www.tihaiku.com/zcyy/3409567.html
相关试题推荐
InAmericaalone,tippingisnowa$16billion-a-yearindustry.Consumersac
InAmericaalone,tippingisnowa$16billion-a-yearindustry.Consumersac
InAmericaalone,tippingisnowa$16billion-a-yearindustry.Consumersac
ThenumberofspeakersofEnglishinShakespeare’stimeisestimatedtohave
ThenumberofspeakersofEnglishinShakespeare’stimeisestimatedtohave
KeepOurSeasCleanA)Bytheyear2050itisestimatedthattheworld’s
KeepOurSeasCleanA)Bytheyear2050itisestimatedthattheworld’s
KeepOurSeasCleanA)Bytheyear2050itisestimatedthattheworld’s
KeepOurSeasCleanA)Bytheyear2050itisestimatedthattheworld’s
KeepOurSeasCleanA)Bytheyear2050itisestimatedthattheworld’s
随机试题
WhatarethetwothingsthatAmericanpeoplecan’tavoid?______and______.[br
某企业生产新型护眼灯。该企业将新型护眼灯与市场中领导品牌的价格相当。新型护眼灯上
防水砂浆属于刚性防水。()
影响牙石形成的因素是A.菌斑量 B.口腔卫生习惯 C.唾液成分 D.修复体
下列属于中央银行业务的是( )。A.办理企业间的支付结算 B.吸收企业和个人
患者,女,35岁。下痢赤白粘冻2月余,白多赤少,伴腹痛,里急后重,纳食无味,腹胀
患者男,59岁。肝区持续性疼痛半年,伴乏力,消瘦明显,食欲减退,恶心,低热。肋下
(2020年真题)企业破产清算期间,应收款项类债权的收回金额与其账面价值的差额,
优点是管线较短,无需高压水泵,投资较省,运行费用经济,缺点是不宜管理维护,占用建
男,1岁,智能落后,表情呆滞,鼻梁低,舌宽大并常伸出口外,皮肤苍黄、粗糙,四肢粗
最新回复
(
0
)