比如第6篇Forming the Building Blocks of Life《生命形成的基石》话题关于氨基酸,与旧题中讨论生命形成理论的文章有近似内容。 3.除了提高词汇量、阅读速度和解题技巧,充分研读分析旧题以及观看BBC相关纪录片有助于了解人文历史、生物、天文地理、艺术等相关内容。比如今天考察...
Paragraph 1:In order to understand the origin of Earth's atmosphere, we must go back to the earliest days of the solar system, before the planets themselves were formed from a disk of rocky material spinning around the young Sun. This material gradually coalesced into lumps called planetesimals...
Paragraph 1:In order to understand the origin of Earth's atmosphere, we must go back to the earliest days of the solar system, before the planets themselves were formed from a disk of rocky material spinning around the young Sun. This material gradually coalesced into lumps called planetesimals...
TheoriginofEarth’satmosphereInordertounderstandtheoriginofEarth'satmosphere,wemustgobacktotheearliestdaysofthesolarsystem,beforetheplanetsthemselveswereformedfromadiskofrockymaterialspinningaroundtheyoungSun.Thismaterialgraduallycoalescedintolumpscalledplanetesimalsasgravityandchancesmashedsmallerpiecestogether,...
所属专辑:托福阅读 音频列表 1 TF232-The Rise of Moscow 48 2023-03 2 TF231-The Origin of Earth’s Atmosphere 35 2023-03 3 TF230-The Classic Mayan Collapse 27 2023-03 4 TF229-Newspapers in Western Europe 39 2023-03 5 TF228-Hunting and the Settling of Inner Eurasia ...
当它开始达到最大尺寸时,地球变热了,部分原因是与其他星子的碰撞,另一部分原因是随着体积的增大,内部压力越来越大。此外,早期地球含有丰富的放射性物质,也是热量的来源。随着地球的升温,它的内部融化了。在熔融内部,在重力的影响下,不同的元素按密度进行分类。到太阳系形成约4000万年后,早期地球上大多数较重的金属...
The Origin of Earth’s Atmosphere(环境类)Posted on 03/21/2019 by 周, 周杰 小喇叭 Notice:【公众号功能性关键词回复】 进入公众号,对话框内输入“阅读答案”,即可获取杰哥公开免密的文章答案。Go into our WeChat Official Account, type in “阅读答案”, then you’ll get answers of the passages(...
origin of the earth's atmosphere 下载积分: 1500 内容提示: Chemical Evolution of Life on the Early EarthAll organisms on Earth today use the same four bases in the same geneticcode and the same 20 amino acids (out of the hundreds possible). Furthermorethey all use the same basic mechanism...
所属专辑:托福阅读 音频列表 1 TF231-The Origin of Earth’s Atmosphere 35 2023-03 2 TF230-The Classic Mayan Collapse 28 2023-03 3 TF229-Newspapers in Western Europe 39 2023-03 4 TF228-Hunting and the Settling of Inner Eurasia 50
Individual specimens of Allende are covered with a black, glassy crust that formed when their exteriors melted as they were slowed by Earth's atmosphere. When broken open, Allende stones are revealed to contain an assortment of small, distinctive objects, spherical or irregular in shape and ...