The core of the Earth is made of ___. A. iron and nickel B. rock C. gas D. water 相关知识点: 试题来源: 解析 A。地球的核心是由铁和镍组成,文中提到“At the center of the Earth is the core. The core is made of iron and nickel.”。
The core of the Earth is made of ___. A. water B. rock C. iron and nickel D. gas 相关知识点: 试题来源: 解析 C。地球的核心是由铁和镍组成,文中有“At the center of the Earth is the core. The core is made of iron and nickel.”。
百度试题 结果1 题目The inner core of the Earth is made of ___. A. water B. metal C. soil D. air 相关知识点: 试题来源: 解析 B。解析:文章中提到“The inner core is very hot and made of metal.”,所以地球的内核是由金属组成的。
The Earth's core is mainly made up of ___. A. silicon and oxygen B. iron and nickel C. magnesium and iron 相关知识点: 试题来源: 解析 B。解析:地球的地核主要由铁和镍组成。硅和氧是地壳中含量较多的元素,镁和铁不是地核主要的组成成分。
The inner core of the Earth is mainly made of ___. A. iron and nickel B. rock and soil C. water and gas D. ice and snow 相关知识点: 试题来源: 解析 A。本题考查地球内部结构的知识。地球的内核主要由铁和镍组成,选项 B 岩石和土壤主要存在于地壳,选项 C 水和气体通常不在地球内核,选项...
1.___is made up of cold fragile rock compared to the hot rock deep inside it.The crust is full of cracks called faults (断层).These faults can be hundreds of miles long but they 2.___(bury) deep under the ground and pushed tightly together,3.___they cannot be seen.The forces th...
解析 答案:B.根据___ of the earth ___ made up of oceans,得知这里考查分数的表达法,分子用基数词,分母用序数词,当分子大于1时,序数词用复数,三分之二的表达是two thirds,同时地球的三分之二被看作一个整体,谓语动词用单数,故选B.结果一 题目 ...
The Earth's atmosphere is made up of different ___. A. liquids B. solids C. gases D. plasmas 相关知识点: 试题来源: 解析 C。地球的大气层是由不同的气体组成,文中提到“The Earth's atmosphere is also very important. It is made up of different gases.”。
【题目】T he thin outer layer of the earth is calledthe crust (地壳),1.___is made up of cold fragile rock compared to the hot rock deep inside it.T he crust is full of cracks called faults (断层). T hese faults can be hundreds ofmiles long but they 2.___(bury) deep underthe...
In the centre is the core, which is as big as the Mars and has a high 1 of over 7,000˚C. 2 the core is a thick layer called the mantle, 3 lower part is solid rock, 4 portion is molten rock called the magma. Floating on top of the magma is the Earth’s rocky crust....