Think of it this way: Had Theia struck indirectly, the Moon would have been composed more of the remnants of Theia, and less of Earth debris. The fact that the chemical compositions of both the Earth and the Moon are so similar makes it fairly likely that the two planets had a near di...
6.分析:that crashed on the Earth 是定语从句,先行词是 anasteroid,关系词在从句中作主语,因此 that不可省略,但可换成which;led to“导致”作主句的谓语,to为介词,后接名词/代词/动名词;that had ever walked on our planet-thedinosaurs也是定语从句。译文:六千五百万年前,一颗小行星撞上了地球,导致了曾经...
小行星撞地球怎么办① Sixty-five million years ago, an asteroid词汇语法专练(小行星) that crashed on the Earth led to the1.总有一天你会认识到你所犯disappearance of the largest animals that had ever walked on our planet-the dinosaurs. At的错误。least, this is what some scientists believe. ...
The discovery of the blue dunes on Mars has far - reaching significance for our understanding of the planet. Firstly, it provides new insights into the geological processes at work on Mars. The blue dunes are a clear indication of the complex interactions between the planet's atmosphere, geolog...
These samples are meteorites, which originate as extraterrestrial objects, called meteors, that have been captured in Earth’s gravitational field and have then crashed into our planet.Some meteorites consist of rocky material and, accordingly, are called stony meteorites. Others are metallic and have...
17.(2017天津中考25)The earth is a planet and itaround the sun.A.goesB.goC.will goD.went7.(2017 天津中考 25)The earth is a planet and it ___around the sun. A. goes B.go C. will go D. went 27.(2017 天津中考 25)The earth is a planet and it ___around the sun. A. ...
1.细节辨析题,根据文章Our planet(星球), the earth, is becoming more and more crowed and the environment is badly polluted.我们的地球变得很拥挤,并且环境被严重污染。 2.细节辨析题,根据文章But in 2100, the spaceship can travel at half the speed of light. It might take us two or three days...
[题目]请先阅读下面短文,掌握其大意,然后用方框中所给词的适当形式填空,并将答案填写到答题卡的相应位置.每个词限用一次.know life different back and interesting sign real find theyThe planet Mars is the closest and most similar planet to Earth. It is very[1]to
7.The earth is a planet and it around the sun.( ) A.goesB.goC.will goD.went 试题答案 在线课程 分析地球是行星,它绕着太阳转. 解答答案:A.考查时态.句意"地球是行星,它绕着太阳转.".A第三人称单数.B原形.C一般将来时态.D过去时.表示客观事实,用一般现在时态,主语it第三人称单数,谓语动词用第三...
It is important that we be mindful of the earth, the planet out of which we are born and by which we are nourished, guided, healed 关注地球很重要。因为这是我们出生的地方,我们在地球的滋养下茁壮成长、受到指导教育、愈合我们的伤痛; the planet, however, which we have abused to a considerable...