6.分析:that crashed on the Earth 是定语从句,先行词是 an asteroid,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--the dinosaurs 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...
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...
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. ...
7. The Interior of the Earth. —Whenever borings have been made into the interior of the earth it has been found, after a depth had been reached where there was no effect from the heat of the sun, that the temperature rose as the boring increased. From this gradual increase of temperat...
Celebrating the biodiversity of Planet Earth, we promote wildlife conservation and condemn wildlife crime.
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...
2. Saturn is 9 times wider than Earth. 3. Saturn has the second-shortest day in the solar system. 4. Saturn has a strange hexagon-shaped jet stream around the north pole. 5. Saturn is the only planet in the solar system with an average density that is less than water. If you could...
The first-ever Call to Earth Day might be coming to a close, but the work continues! We’ll keep covering the environmental challenges facing our planet – and while these issues can sometimes feel vast and overwhelming, it’s important to remember that there are solutions and people who are...
A warmer planet doesn’t just raise temperatures. From wildfires to floods, here's how the climate is changing.
From the beautiful natural surroundings to the rich t 1 of creatures, Planet Earth has loads of things to offer that only make the life more b 2. However, have you given a thought to h 3 many individuals actually respect this planet?April 22 is k 4 to the world as Earth Day. It ...