- discover - are discovering - discovered - will discover相关知识点: 试题来源: 解析 答案:discovered。解析:“discovered”已经表明是一般过去时,所以选择 discovered。discover 是一般现在时;are discovering 是现在进行时;will discover 是一般将来时,都不符合。反馈 收藏 ...
This element was discovered when a scientist was observing the colors produced by a flame. It is a soft metal that is highly reactive. Which element is it? A. Sodium B. Potassium C. Magnesium D. Aluminum 相关知识点: 试题来源: 解析 A。钠是科学家在观察火焰产生的颜色时发现的,它是一...
The element discovered by Marie Curie is ___. A. radium B. uranium C. platinum D. gold 相关知识点: 试题来源: 解析 A。解析:玛丽·居里发现了镭元素。铀不是由玛丽·居里发现。铂不是由玛丽·居里发现。金也不是由玛丽·居里发现。反馈
A. adverbial clause B. noun clause C. attributive clause D. predicative clause 相关知识点: 试题来源: 解析 C。解析:“who discovered the new element”修饰先行词“the scientist”,是定语从句。A 状语从句不符合;B 名词性从句也不符合;D 表语从句同样不符合此语境。反馈 收藏 ...
百度试题 结果1 题目 The scientist discovered a new element (元素), ___ made him famous. A. which B. as C. that D. for which 相关知识点: 试题来源: 解析 答案 A 必备词汇 反馈 收藏
In this sentence, “who discovered the new element” is an attributive clause. The relative pronoun “who” is used to refer to the scientist and acts as the subject in the attributive clause. 相关知识点: 试题来源: 解析 答案:who。本题考查定语从句关系代词的用法。先行词是 scientist,指人,...
The scientist discovered a new element, ___ was a breakthrough in the field of chemistry. A. which B. that C. when D. where 相关知识点: 试题来源: 解析 A。本题考查定语从句。“which”引导非限制性定语从句,指代先行词“a new element”,在从句中作主语。“that”不能引导非限制性定语从句;...
The scientist discovered a new element that has properties unlike ___ known elements. A. other B. others C. any other D. the other 相关知识点: 试题来源: 解析 D。“the other”表示特定范围内的其他,这里指除了新发现的元素之外的其他已知元素。“other”通常后接名词复数;“others”是代词,后面不...
C.element n.要素;基础;基本原则;元素 D.thought n.想法;思维;思想 本句大意为“默片时代最经典的电影靠的是众多的知音和精美的配乐,这两个元素是我们今天所欠缺的”。根据上下文,只有elements在词义上最符合句意,因此选C项。 4.D [解析](1)句子结构。 本句的结构:Despite their seemingly ___ architecture...
In theory, each different lamp should produce a different color of light characteristic of its element. Unfortunately, the lamps all use neon as a carrier gas: You generally have to have such a carrier gas present to maintain the electric arc. Neon emits a number of very strong orange-red ...