The air we breathe is a mixture of gases. What is air? A. A liquid B. A gas C. A solid D. A powder 相关知识点: 试题来源: 解析 B。我们呼吸的空气是气体的混合物。选项 A 液体错误;选项 C 固体错误;选项 D 粉末错误。反馈 收藏 ...
The atmosphere is a mixture of , including oxygen, water vapor, etc. (gas) 相关知识点: 试题来源: 解析 1.gases 【解答过程】句意:大气是气体的混合物,包括氧气,水蒸气等等。根据“including oxygen, water vapor, etc.”可知此处指不同的气体种类。故填gases。
Air is a mixture of gases that you breathe.You cannot see,smell or taste air but it is around you.Layers of air surround theearth,too,making up the earth''s atmosphere.Oxygen is a gas found in the air ,All animals including humans ,need it to stayaliveNitrogen and oxygen are the two...
🔔高频单词:mixture ▶mixture:英 ['mɪkstʃə(r)]n. 混合;混合(状态);混合物;混合剂;混杂;合剂;双语例句:Air is a mixture of gases.空气是多种气体的混合物。 记忆技巧:mixt vt.配制 + -ure 表名词 💥词汇搭配:cough mixture 止咳药水;止咳剂mixture ratio 混合比例gas mixture 气体混合物...
解析 10. Air is a mixture ofgases.(gas) 结果一 题目 Air is a mixture of invisible gas. 答案 gas改成gases本题考查名词单复数,gas做气体时可数名,多种气体的混合,所以用复数。相关推荐 1Air is a mixture of invisible gas. 反馈 收藏
百度试题 结果1 题目Air is a mixture of g ___.相关知识点: 试题来源: 解析 答案:gases.介词后接名词作宾语;gas是可数名词,根据语境要用复数形式。故填:gases。反馈 收藏
The steam is a kind of gas. The air that you breathe is a mixture of gases. We can't usually Gases see the gas but sometimes we can feel it when it moves. For example, on a windy day, we can feel the air is moving.Things can change from one state to another when we make ...
aAir is a mixture of gases, consists mainly of nitrogen and oxygen, by volume, about 78% of the nitrogen in the air, oxygen and inert gas accounted for 21%, accounted for 0.94, accounting for about 0.03 of the carbon dioxide, water vapor and impurity accounted for about 0.03 of the. ...
4 Air is a mixture of gases.(a)State the percentage of clean dry air which is oxygen. Give your answer to the nearest whole number...%[1](b)Oxygen and nitrogen are useful gases that can be obtained from air.(i) Name the process used to separate oxygen and nitrogen from liquid air...
Air is a gas which is a mixture of 翻译结果5复制译文编辑译文朗读译文返回顶部 The air is the gas mixture 相关内容 aPlease use this subject 请使用这个主题[translate] a永远爱着兮兮 Forever is loving[translate] a企业经营是有风险的,因此财务经理必须对风险进行评估和管理 The enterprise manages has ...