Water is oxygen and hydrogen . _ 相关知识点: 试题来源: 解析 【解析】be made up of 由……. 组成,根据句意用一般现在时的被动语态。故答案是 made up of 在英语表达中,“由…… 组成” 常见表达为 “be made up of”。此句描述的是一般性事实,需用一般现在时。又因为水是 “被” 氧气和氢气...
Water is said to___oxygen and hydrogen.( )A.make up ofB. make ofC. consist ofD. be consisted of 相关知识点: 试题来源: 解析 考查动词短语词义辨析.make up of的意思是"构成,组成",如果是be made up of,则A项也是正确的;make of理解; 推断;以 …为材料制作;consist of由 …组成;consist ...
Water is ___ hydrogen and oxygen.Water is ___ hydrogen and oxygen. A. composed of B. consisted of C. made of D. made from 答案: A©2022 Baidu |由 百度智能云 提供计算服务 | 使用百度前必读 | 文库协议 | 网站地图 | 百度营销 ...
Hydrogen is a naturally occurring gas and the most abundant substance in the universe. (The word in Greek means “water former” because hydrogen creates water when burned.) When used alongside other technologies, such as renewable power and biofuels, hydrogen has the potential to decarbonize a...
The present invention relates generally to a new power device. More specifically, it creates hydrogen from supplied water and electricity. The hydrogen is then used in combination with air in an electrolysis-electrical cell to produce electric power. All of this is accomplished by first storing ...
句子的主语是"Water",需要选择合适的动词短语来连接后面的成分"oxygen and hydrogen"。**选项分析:**1. **A. be consisted of**:错误。"consist"是不及物动词,不能用于被动语态,因此"be consisted of"属于语法错误。2. **B. consisting of**:错误。句子结构需要不定式(to + 动词原形),而"consisting of...
Water is ___ hydrogen and oxygen.A) composing ofB) composed ofC) made ofD) consisted of 相关知识点: 试题来源: 解析 B) composed of 题干考查固定搭配,正确答案需满足语法及用法:1. **选项A) composing of**:动词compose表示“组成”时,通常以be composed of结构出现,主动形式(composing)不符合被动...
Water is composed hydrogen and oxygen. A. of B. with C. for D. about 答案: [答案] A 分析: [解析]be composed of:由…组成。句意:水是由氢与氧化合而成的。©2022 Baidu |由 百度智能云 提供计算服务 | 使用百度前必读 | 文库协议 | 网站地图 | 百度营销 ...
D. Rocks formed beneath the ocean floor may be a source of free hydrogen gas. 21. The ___ conclusion by scientists until recently had been that rising air temperatures were causing the Antarctic Peninsula to melt. A. prevailing B. prevalent C. persuasive D. popular 22. Ecologists have been...
百度文库 其他 water is composed ___ hydrogen and oxygen用适当的介词填空 Water is composed ___ hydrogen and oxygen. 答案:of ©2022 Baidu |由 百度智能云 提供计算服务 | 使用百度前必读 | 文库协议 | 网站地图 | 百度营销