动名词短语“using renewable energy sources”作主语时,谓语动词要用单数形式。这里描述的是一般情况,所以用一般现在时,选项B“is”正确。选项A“are”是复数形式,不符合主谓一致。选项C“was”是一般过去时的单数形式,选项D“were”是一般过去时的复数形式,都不符合句子描述的一般现在时的情况。
Using renewable energy sources can reduce pollution. Using renewable energy sources has many advantages. Using renewable energy sources is the future trend.相关知识点: 试题来源: 解析 答案:这四句中第一句、第二句、第三句和第四句中的 Using renewable energy sources 都是动名词短语作主语。在这四句中都...
Progress in Energy & Combustion ScienceKalogirou SA. Seawater desalination using renewable energy sources. Prog Energy Combust Sci 2005;31:242e81.Kalogirou SA. Seawater desalination using renewable energy sources. Progress in Energy and Combustion Science. 2005;31:242-81....
339-352, 1994.A. Hanafi, Desalination using renewable energy sources, Desalination, 97 (1994) 339-352.A. Hanafi, "Desalination using renewable energy sources" Desalination, 97, pp. 339- 352, 1994.Hanafi A. Desalination using renewable energy sources. Desalination 1994;97: 339-52....
It has been engineered to accommodate the inherent variability and intermittency of offshore wind and solar power, providing an effective solution for the on-site utilization of renewable energy resources, according to the company. Seawater is a plentiful resource for hydrogen production. Seawater elect...
Using renewable energy sources is beneficial,___reduce carbon emissions. A. help B. t
Using renewable energy sources is a trend. What are “renewable energy sources”? A. 可再生能源 B. 不可再生能源 C. 传统能源 相关知识点: 试题来源: 解析 A。动名词 Using renewable energy sources 作主语。“renewable energy sources”是“可再生能源”的意思。动名词作主语在语法结构上比较稳定,不...
这个空缺少的是宾语 put ？ into practice.少了个名词 我想想给你举个例子 what可以等于先行词+that/which 但是你得有先行词 what you want is money。你想要的无非是钱。this is the money that/which you want。这就是你想要的钱。不知道你懂了不？楼...
Renewable Energy | Definition, Sources & Use from Chapter 17 / Lesson 4 536K What is a renewable energy resource? Learn the definition of renewable energy, understand the various types and uses, and study examples of renewable energy sources. Related...
nuclear power C. solar and wind power D. coal and oil 相关知识点: 试题来源: 解析 C。“renewable energy sources”指可再生能源。选项 A“fossil fuels”是化石燃料;选项 B“nuclear power”是核能;选项 D“coal and oil”是煤和石油,这些都不是可再生能源。而太阳能和风能是可再生能源。反馈 收藏 ...