百度试题 结果1 题目Is oxygen the only gas ___ helps fire burn A. which B. 。 what C. 。 that D. it 相关知识点: 试题来源: 解析 C 反馈 收藏
百度试题 结果1 题目14.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 14.A 反馈 收藏
搜索智能精选题目Is oxygen the only gas ___ helps fire burn? A.that B./ C.what D.it答案A
Give the orbital diagram for an atom of oxygen. What does a Lewis electron-dot diagram for an atom of sulfur-33 look like? The orbital diagram for a ground-state oxygen atom is? What is the type of diagram that consists of the valence electrons surrounding the chemical symbol of the elem...
答案解析 查看更多优质解析 解答一 举报 A 考查定语从句。Gas为先行词,在定从___ helps fire burn中作主语,且that作主语时不可省略。所以选A。 解析看不懂?免费查看同类题视频解析查看解答 特别推荐 热点考点 2022年高考真题试卷汇总 2022年高中期中试卷汇总 2022年高中期末试卷汇总 2022年高中月考试卷汇总...
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...
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....
What element is fluorine? Is fluorine a gas? What is the atomic number of fluorine? What is the mass number for fluorine? What is the symbol for fluorine? What is fluorine's molar mass? What is the atomic mass of fluorine? What is fluorine used for?
A 考查定语从句。Gas为先行词，在定从___ helps fire burn中作主语，且that作主语时不可省略。所以选A。
What is the pressure in a {eq}3.41\ L {/eq} container that has {eq}0.741 {/eq} moles of oxygen gas at {eq}26.0 ^\circ C {/eq}? a. {eq}\rm 0.464\ atm {/eq}. b. {eq}\rm 5.34\ atm {/eq}. c. {eq}\rm 62....