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
2023-07-20
22
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 have on everything from food and water to infrastructure (基础设施) and jobs. Underlying all this【S1】______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【S2】______. sustainable way is the cornerstone (基石) of our nation’s energy security, and will be one of the major【S3】______of the 21st century. Alternative forms of energy — bio-fuels, wind and solar, to name a few — are【S4】______being funded and developed, and will play a growing【S5】______in the world’s energy supply. But experts say that, even when【S6】______, alternative energy sources will likely meet only about 30% of the world’s energy needs by 2050.
For example, even with【S7】______investments, such as the $93 million for wind energy development【S8】______in the American Recovery and Reinvestment Act, important alternative energy sources such as wind and bio-fuels【S9】______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 【S10】______— both traditional and alternative.
[A] stable [F] marvelous [K] comprise
[B] solutions [G] included [L] competitions
[C] significant [H] growth [M] combined
[D] role [I] exactly [N] challenges
[E] progress [J] consist [O] certainly [br] 【S5】
选项
答案
D
解析
空前的a和growing表明,本空应填一单数可数名词,该名词还应与play和in形成搭配,[D]role “作用”符合要求,play a role in…为固定搭配,意为“在……中发挥作用”。
转载请注明原文地址:https://tihaiku.com/zcyy/2854698.html
相关试题推荐
PopulationViabilityAnalysisPartATomakepol
PopulationViabilityAnalysisPartATomakepol
PopulationViabilityAnalysisPartATomakepol
PopulationViabilityAnalysisPartATomakepol
PopulationViabilityAnalysisPartATomakepol
PopulationViabilityAnalysisPartATomakepol
ThenumberofspeakersofEnglishinShakespeare’stimeisestimatedtohave
ThenumberofspeakersofEnglishinShakespeare’stimeisestimatedtohave
ThenumberofspeakersofEnglishinShakespeare’stimeisestimatedtohave
Fiftyyearsfromnowtheworld’spopulationwillbedeclining,withnoendi
随机试题
(1)DingesisoneofthefewwomenintheArmycertifiedatlevel2combat.L
ThereisanimmediacyaboutCharlesDickens’slife,justasthereisabouth
Haveyouevernoticedthatthereisnoshortageofpeoplewillingtogiveyo
电影放映的最低帧速率是每秒()A.48帧 B.12帧 C.24帧 D.没有
急性弥漫性增生性肾小球肾炎最主要的病变特点是:()A.肾球囊壁层上皮细胞增生
双车道便道的路基宽度为()m。A.8.0 B.6.0 C.7.0 D
下列仪器设备中,可用于桥梁振动测量的包括()。A:磁电式测振传感器 B:压电
通过商标所标识的特定商品或服务的质量,会逐步实现商标的( )。A.知名度 B.
对于需要试生产的建设工程项目,建设单位应当在项目投入试生产之日起()内向环保行政
某扩建工程的边柱紧邻既有地下结构,抗震设防烈度为8度,设计基本地震加速度值为0.
最新回复
(
0
)