相关知识点: 试题来源: 解析 B。原因:文中提到“In industry, oxygen has many applications. It is used in steelmaking to remove impurities from iron. It is also used in the production of chemicals such as sulfuric acid.”。 反馈 收藏
Many people are familiar with oxygen, because it is a vital component of the respiration process; without it, most organisms will die within minutes. A number of forms of oxygen and its compounds can be found in nature. The gas can also be isolated and sold in pure form for an ...
A. what B. which C. that D.it 相关知识点: 试题来源: 解析 3.C 【解析】考查定语从句的关系词。 句意:氧气是能助 燃的唯一气体吗?先行词为gas,指物,该空在从句中作 主语,不可省略,且先行词前有 the only 修饰,引导词只 能用 that 而不能用 which。 故选 C。 反馈 收藏 ...
百度试题 结果1 题目( )13. Is oxygen(氧气) the only gas helps fire burn?D A. it B. what C./ D. that 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
就像氧气对肺那样那样的重要;Whatoxygenistothelungs,suchishopetothemeaningoflife.希望对于生活的意义 http://t.cn/R60MqDT
Is Oxygen the only gas ___ helps fire burn? A. it B. which C. what D. that 相关知识点: 试题来源: 解析 [答案]D [解析] [详解]考查定语从句。句意:氧气是唯一能让火燃烧的气体吗?本句是限定性定语从句,从句修饰名词 the only gas,the only gas是物体,名词被the only修饰时,关系词只能...
Is oxygen the only gas ___ helps fire burn?A that B / C which D what 相关知识点: 试题来源: 解析 A核心短语/词汇:help sb./ sth. (to) do sth. 帮助某人/某物做某事句子译文:氧气是唯一的助燃气体吗? 本题考查定语从句。___helps fire burn 用来修饰之前的名词gas, 该从句的引导词在定...
20. Iron oxide is formed as a result of combination between( ).A. iron and hydrogenB. iron and oxygenC. iron and carbon dioxide 相关知识点: 试题来源: 解析 19. C 20. B 19. 氧气可以用“pop”测试来检测。将点燃的玻璃棒放入含有氧气的容器中,会发出“pop”声。 20. 铁氧化物是铁与氧气...
Is oxygen the only gas helps fire burn? A. that B. / C. what D. it 答案 A本题考查定语从句的关系代词that。解题步骤:1、确定从句:从空格到句末;2、确定成分:从句___helps fire burn缺少主语,从句不完整,因此需要关系代词。另外,当先行词有the only, the very等词修饰时,只能用that做引导词,...
解析 A [解析]答案A 解析:考查定语从句.先行词 gas ,helps fire burn是定语从句,关系词在定语从句中做主语,指物,又因为先行词被the only修饰,故用that. 故选:A. 氧气是能帮助火燃烧的唯一气体. 当先行词被the only,the very,the same等修饰时,只能用that不用which....