题目What gas is produced by the reaction? A. Oxygen. B. Hydrogen. C. Carbon dioxide. D. Nitrogen. 相关知识点: 试题来源: 解析 C。解析:文章中明确说“The gas produced by this reaction is carbon dioxide.”,所以答案是 C。反馈 收藏 ...
What is the gas that is mainly responsible for the greenhouse effect? A. Oxygen B. Nitrogen C. Carbon dioxide D. Hydrogen 相关知识点: 试题来源: 解析 C。本题考查温室效应的主要气体。二氧化碳是主要导致温室效应的气体。氧气(A 选项)和氮气(B 选项)不是温室效应的主要气体。氢气(D 选项)在大气中...
A.that B./ C.what D.it相关知识点: 试题来源: 解析 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。 分析总结。 gas为先行词在定从helpsfireburn中作主语且that作主语时不可省略反馈 收藏 ...
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 ...
its been a long time its been such a long its below freezing its caused by you its clear we dont und its clint its closer to work its danger to rush an its delicious its extra-tough its fate of loving yo its going to rain lat its happy that fall i its hard enough to se its irr...
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(a)Natural gas, which is mainly methane, is a fossil fuel.(i) What is meant by the term fuel?[1](ii) Name two other fossil fuels.[2](iii) Name a solid fuel which is not a fossil fuel.[1] 相关知识点: 试题来源: 解析 (a)(i) substance/ material/ compound/element/mixture (...
A. that B./ C. which D. what 相关知识点: 试题来源: 解析 答案见上本题考查定语从句。___helps fire burn 用来修饰之前的名词gas, 该从句的引导词在定语从句中做主语,不能省略,先行词有only 修饰时不能用which; what 不能引导定语从句,故选项A符合题意。 反馈 收藏 ...
📚 第1篇 Is technology making people lazy? Recently, the topic of the impact of technology has been brought into focus. According to a recent survey conducted by CCTV, a high proportion of 84.7 percent of people admitted that...
百度试题 结果1 题目()10. Is oxygen the only gas helps fire burn? C. which D. what A. that B./ 相关知识点: 试题来源: 解析 A 反馈 收藏