1Is oxygen the only gas helps fire burn? A.thatB./C.whichD.it 2)37. Is oxygen the only gashelpsfirebum?A. itB./C. whichD. that 3Is oxygen the only gas ___ helps fire burn?A.thatB./C.whatD.it 4【题目】Is oxygen the only gas helps fireburn?(A.thatB./C.whichD.w...
An oxygen compressor is a device that forces oxygen gas into a pressurized cylinder. There are many different uses for an oxygen...
That's what life is like for the six-year-old Betty and Abby. Like most twins, the two girls look very much a- like. But unlike most twins, Betty and Abby share parts of the same body. Twins like Betty and Abby are rare. Only about forty sets are born in the United States each...
A. It is a product B. It is a reactant C. It is a catalyst D. It has no role 相关知识点: 试题来源: 解析 A。中文解析:氧气在光合作用中是产物,光合作用利用二氧化碳和水产生葡萄糖和氧气,选项 B 反应物是二氧化碳和水,选项 C 催化剂在光合作用中不存在,选项 D 说法错误。反馈...
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...
The atmosphere is essential to all living things. ___it, the earth would be as cold and lifeless as the ___of the moon.’ ‘The trouble is that our atmosphere ___changing because weare polluting it with chemicals—in the form of gases—and it is keeping in to...
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 D [解析] 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,关系词只能用that。故选...
Is oxygen the only gas helps fire burn? A. that B. / C. what D. it 相关知识点: 试题来源: 解析 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...
" /> 【题文】Is oxygen the only gas ___ helps fire burn? A.that B./ C.what D.it 相关知识点: 试题来源: 解析 【答案】A 【解析】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。 反馈 收藏 ...
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