Stephen Hawking believes that the earth is unlikely to be the only planet life has developed gradually. 相关知识点: 试题来源: 解析 V. 1. are_ difficult 为形容词,其前应用 be 动词; parts of 短语作 主语时,谓语用复数。 2.mixed题 :涂黄涂 成橙色涂 mix...with...把…和… 混合"。
A big group of people live under the dark sky.We all want to live on a healthy and beautiful Earth. We must stop doing harmful things to the Earth. But how can we do to save the Earth?阅读文章内容,根据题意,选择最佳答案。( )1. The Earth is the most___planet for people to live...
Telescopes have revolutionized our understanding of the universe. Space-based telescopes orbit above Earth’s atmosphere, allowing observation of wavelengths blocked by our planet’s atmospheric layers. Radio telescopes detect radio waves emitted by celestial objects, expanding our view of the cosmos beyon...
It includes Geology, Geophysics, Geochemistry, Earth History, and Earth Surface Processes. Prior to the 19th century, most people (including scientists) considered the geology of the planet to be quite stable and unchanging except for occasional catastrophic – but superficial – events. Within the ...
In geography you find out about people and places. You find out about the place where you live. But you also find out about other parts of the world. The Earth is the planet we all live on. What is it like? Where on the Earth is it cold, and where in the wo...
第一节(共15小题;每小题1分,满分15分)Losing someone we love is one of the most miserable parts of life. Ou memories are all that is 41 of them and reminders of their love 42 ou most valuable treasures. That's how Mar a Soriano feels about a very special teddy bear that she 43 whi...
Astronomers(天文学家) have found a new planet, and it has many important parts similar(相似) to those of the earth. The search for life outside the earth may have moved to a new and exciting level. The planet, which travels around a red dwarf star(红 矮星)called Gliese 581c, has th...
A storm is any disturbance in Earth's atmosphere with strong winds accompanied by rain or snow and sometimes thunder and lightning. Storms have a generally positive effect on the environment and on human societies because they are the source of most of the precipitation on which the planet ...
Rivers are also one of the very few bodies of water that move. This is what separates rivers from lakes, which are stationary bodies of freshwater. What is a River? Earth is a planet of water. Over 70% of Earth's surface is covered by the liquid. Of this percentage, only 3% is ...
Covering most of Earth's surface is a thin layer of sediment known as regolith, which is produced by the erosion of bedrock, or the solid rock surface underlying Earth's surface. Natural sources of erosion Running water. Everywhere on the planet, running water continuously reshapes the land...