A. Silicon atoms. B. Carbon atoms. C. Oxygen atoms. D. Hydrogen atoms. 相关知识点: 试题来源: 解析 B。解析:文章中明确提到“Graphene is an extremely thin and strong material. It is made up of a single layer of carbon atoms arranged in a hexagonal lattice.”,石墨烯是由一层碳原子组成...
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...
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...
Are humans made of atoms? About 99 percent of your body is made up of atoms of hydrogen, carbon, nitrogen and oxygen. You also contain much smaller amounts of the other elements that are essential for life. ... The very heavy elements in you were made in exploding stars. The size of...
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 ...
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
第1题 The two elements water is made are oxygen and hydrogen.A、that B、which C、of which D、with which 第2题 The crime was discovered till 48 hours later,gave the criminal plenty of time to get away.A、which B、that C、so D、what 第3题 The International Studies University,in 1951...
is everything that makes up the universe around us. Each kind of atom makes up a pure substance called an element. You may have heard of oxygen, lead, and gold. Well, these are all examples of elements. Can you believe that a pure gold necklace is made up of billions of gold atoms...
甲国公民A(男)与乙国公民B(女)在乙国结婚，因工作关系移居丙国。数年后，A在丙国死亡，其前妻之子女在丙国法院提起了要求继承A在丙国的遗产的诉讼，并认为A与B之间的夫妻关系不成立，否认B的继承权。关于A与B之间夫妻关系的成立，依丙国国际私法的规定应适用乙国法律，但是依乙国法律应适用丈夫本国...
这个句子的主语是water,谓语是will continue to be,表语是what it is today,补语是next in importance to oxygen.what 在句子中表示"什么的样子"就像She is no longer what she was ten years ago.她不再是十年前的样子了.as 不能引导表语从句.而how 是作状语,表示怎样.which指哪一个...