百度试题 结果1 题目Which of the following is a compound? A. Oxygen B. Hydrogen C. Water D. Nitrogen 相关知识点: 试题来源: 解析 C。水(Water)是化合物。氧气(Oxygen)、氢气(Hydrogen)和氮气(Nitrogen)都是单质。反馈 收藏
Hydrogen peroxide is a/an ___. A. element B. compound C. mixture D. solution 相关知识点: 试题来源: 解析 B。过氧化氢是化合物。选项 A“element”是元素;选项 B“compound”是化合物,过氧化氢由氢和氧组成;选项 C“mixture”是混合物;选项 D“solution”是溶液。反馈...
Water is a compound that contains hydrogen and oxygen. 或者Water is a compound made up of two elements-- hydrogen and oxygen.又或者Water is composed of elements hydrogen and oxygen.这上面有几个词都可以拿出来灵活运用以省略引导词汇如“that”和“which”,让句子的语感更通顺。希望有帮到你^^ ...
Which of the following is a chemical compound? A. Oxygen B. Hydrogen C. Water D. Nitrogen 相关知识点: 试题来源: 解析 C。本题考查化学化合物的概念。氧气(Oxygen)、氢气(Hydrogen)和氮气(Nitrogen)都是单质,水(Water)是由氢和氧两种元素组成的化合物。
Water is a compound___ the elements hydrogen and oxygen. (contain) 相关知识点: 试题来源: 解析 答案:containing.所给词contain的意思是"包含;含有",及物动词,本句为主系表结构,设空处应用非谓语动词作定语修饰compound,compound与contain之间为主动关系,应用现在分词形式,故填containing。结果一...
Water is a compound c___ the elements of hydrogen and oxygen.(根据首字母单词拼写) 相关知识点: 试题来源: 解析 containing [解析] 考查非谓语动词。句意:水是一种含有氢和氧元素的化合物。根据句意以及首字母提示,空处应用动词contain,表示“包含,含有”,contain与逻辑主语compound之间是主动关系,所以空处...
句意:水是含有氢元素和氧元素的化合物。contain,v. 包含。water和contain之间是主动关系,此处用现在分词containing作后置定语修饰compound。答案为:containing。结果一 题目 Water is a compound(化合物) (包含) the elements hydrogen and oxygen. 答案 containing相关推荐 1Water is a compound(化合物) (包含) ...
我位于紧挨小条。 不能等待遇见您![translate] afor you,a thousand times over,and than there is a way to be good again 为您,一千次,和比再有一个方式是好[translate] awater is a compound containing the elements of hydrogen and oxygen 水是包含氢和氧气的元素化合物[translate]...
aA compound is a substance that can be split into two or more elements. Water is a compound because it can be split into its components, hydrogen and oxygen. 化合物是可以被分裂成两个或多个元素的物质。 因为它可以被分裂成它的组分、氢和氧气,水是化合物。[translate]...
Verb1.hydrogenate- combine or treat with or expose to hydrogen; add hydrogen to the molecule of (an unsaturated organic compound) alter,change,modify- cause to change; make different; cause a transformation; "The advent of the automobile may have altered the growth pattern of the city"; "Th...