[答案]C [解析]语法题。根据句子结构,可知整个句子的主语是One of the most common constituents of the Earth’s crust,为单数。根据主谓一致原则,谓语也需用单数。句意:地壳最常见的成分之一是矿物石英,它是由几种不同的岩石组成的。选项C符合题意。反馈...
Aluminum, Al, is the third most common element in the Earth's crust with8.1 percentof the crust's mass. All the earth's aluminum is combined with other elements to form compounds, and it is never found as a lone element. Aluminum oxide (Al2O3), aluminum hydroxide (Al(OH)3) and po...
因为它本身一些性质 使得分离它很难价格也贵 两段里都有提到诶 相反我觉得C是为D服务的.....
What do granite and basalt have in common? What do all metamorphic rocks have in common? What is the most abundant element in the Earth's crust? What are the three most common clastic sedimentary rocks? What are the two most abundant elements in Earth's crust?
Next to oxygen, silicon isthemost abundant elementinthe earth's crust, and is always found in sand and stone in nature. kyosemi.co.jp kyosemi.co.jp 硅是地球上除了氧气之外含量最多的物质,多存在于砂石之中。 kyosemi.co.jp kyosemi.co.jp ...
A. surface B. crust C. outside D. cap 相关知识点: 试题来源: 解析 B 正确答案:B 解析:易混词辨析。本题最强干扰项是A。surface和crust容易混淆,surface表面,而crust外壳,尤指地球外壳,故依题意选B。 知识模块:语法与词汇反馈 收藏
The elements that make up life (the SPONCH elements): a) are all very stable elements that do not recombine easily with other elements. b) are all elements that are common in Earth's crust, and that of other planets ...
Earth' s crust contains very little of this element. 子句类型: 并列句 连接词: 子句-2 Most asteroids contain a lot more. 子句类型: 并列句 连接词: BUT 3. 句子成分 子句-1 Earth' s crust [主语] contains [谓语] very little of this element. [宾语] 子句-2 Most asteroids [主语...
Name : The most abundant elements in the earth's crust . View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class 11 and Class 12, IIT JEE prep, NEET preparation and CBSE, UP Board, Bihar...
To determine the most abundant metal in the Earth's crust, we can analyze the options provided and their respective abundances:1. Oxygen: Approximately 46.1% of the Earth's crust is made up of oxygen. However, oxygen is a non-m